From 61460c8601a1227201ffc809866da7c6cf83f733 Mon Sep 17 00:00:00 2001
From: Oliver Eyton-Williams <ojeytonwilliams@gmail.com>
Date: Thu, 13 Aug 2020 17:24:35 +0200
Subject: [PATCH] fix: insert blank line after ```

search and replace ```\n< with ```\n\n< to ensure there's an empty line
before closing tags
---
 .../basic-css/adjust-the-margin-of-an-element.chinese.md       | 3 ++-
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 ...target-html-elements-with-selectors-using-jquery.chinese.md | 3 ++-
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 .../jquery/use-jquery-to-modify-the-entire-page.chinese.md     | 3 ++-
 .../react-and-redux/connect-redux-to-react.chinese.md          | 3 ++-
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 .../convert-seconds-to-compound-duration.chinese.md            | 3 ++-
 .../rosetta-code/count-occurrences-of-a-substring.chinese.md   | 3 ++-
 .../rosetta-code/count-the-coins.chinese.md                    | 3 ++-
 .../rosetta-code/cramers-rule.chinese.md                       | 3 ++-
 .../rosetta-code/date-format.chinese.md                        | 3 ++-
 .../rosetta-code/date-manipulation.chinese.md                  | 3 ++-
 .../rosetta-code/day-of-the-week.chinese.md                    | 3 ++-
 .../rosetta-code/deal-cards-for-freecell.chinese.md            | 3 ++-
 .../10-coding-interview-prep/rosetta-code/deepcopy.chinese.md  | 3 ++-
 .../rosetta-code/define-a-primitive-data-type.chinese.md       | 3 ++-
 .../rosetta-code/department-numbers.chinese.md                 | 3 ++-
 .../rosetta-code/discordian-date.chinese.md                    | 3 ++-
 .../rosetta-code/element-wise-operations.chinese.md            | 3 ++-
 .../rosetta-code/emirp-primes.chinese.md                       | 3 ++-
 .../10-coding-interview-prep/rosetta-code/entropy.chinese.md   | 3 ++-
 .../rosetta-code/equilibrium-index.chinese.md                  | 3 ++-
 .../rosetta-code/ethiopian-multiplication.chinese.md           | 3 ++-
 .../rosetta-code/euler-method.chinese.md                       | 3 ++-
 .../rosetta-code/evaluate-binomial-coefficients.chinese.md     | 3 ++-
 .../rosetta-code/execute-a-markov-algorithm.chinese.md         | 3 ++-
 .../rosetta-code/execute-brain.chinese.md                      | 3 ++-
 .../rosetta-code/extensible-prime-generator.chinese.md         | 3 ++-
 .../10-coding-interview-prep/rosetta-code/factorial.chinese.md | 3 ++-
 .../rosetta-code/factors-of-a-mersenne-number.chinese.md       | 3 ++-
 .../rosetta-code/factors-of-an-integer.chinese.md              | 3 ++-
 .../rosetta-code/farey-sequence.chinese.md                     | 3 ++-
 .../rosetta-code/fibonacci-n-step-number-sequences.chinese.md  | 3 ++-
 .../rosetta-code/fibonacci-sequence.chinese.md                 | 3 ++-
 .../rosetta-code/fibonacci-word.chinese.md                     | 3 ++-
 .../10-coding-interview-prep/rosetta-code/fractran.chinese.md  | 3 ++-
 .../rosetta-code/gamma-function.chinese.md                     | 3 ++-
 .../rosetta-code/gaussian-elimination.chinese.md               | 3 ++-
 .../rosetta-code/general-fizzbuzz.chinese.md                   | 3 ++-
 .../rosetta-code/generate-lower-case-ascii-alphabet.chinese.md | 3 ++-
 .../10-coding-interview-prep/rosetta-code/gray-code.chinese.md | 3 ++-
 .../rosetta-code/greatest-common-divisor.chinese.md            | 3 ++-
 .../rosetta-code/greatest-subsequential-sum.chinese.md         | 3 ++-
 .../rosetta-code/hailstone-sequence.chinese.md                 | 3 ++-
 .../rosetta-code/happy-numbers.chinese.md                      | 3 ++-
 .../rosetta-code/harshad-or-niven-series.chinese.md            | 3 ++-
 .../rosetta-code/hash-from-two-arrays.chinese.md               | 3 ++-
 .../10-coding-interview-prep/rosetta-code/hash-join.chinese.md | 3 ++-
 .../rosetta-code/heronian-triangles.chinese.md                 | 3 ++-
 .../rosetta-code/hofstadter-figure-figure-sequences.chinese.md | 3 ++-
 .../rosetta-code/hofstadter-q-sequence.chinese.md              | 3 ++-
 .../rosetta-code/i-before-e-except-after-c.chinese.md          | 3 ++-
 .../10-coding-interview-prep/rosetta-code/iban.chinese.md      | 3 ++-
 .../rosetta-code/identity-matrix.chinese.md                    | 3 ++-
 .../rosetta-code/iterated-digits-squaring.chinese.md           | 3 ++-
 .../rosetta-code/jaro-distance.chinese.md                      | 3 ++-
 .../10-coding-interview-prep/rosetta-code/jortsort.chinese.md  | 3 ++-
 .../rosetta-code/josephus-problem.chinese.md                   | 3 ++-
 .../rosetta-code/s-expressions.chinese.md                      | 3 ++-
 .../sailors-coconuts-and-a-monkey-problem.chinese.md           | 3 ++-
 .../10-coding-interview-prep/rosetta-code/sedols.chinese.md    | 3 ++-
 .../rosetta-code/taxicab-numbers.chinese.md                    | 3 ++-
 .../rosetta-code/tokenize-a-string-with-escaping.chinese.md    | 3 ++-
 .../rosetta-code/top-rank-per-group.chinese.md                 | 3 ++-
 .../rosetta-code/topological-sort.chinese.md                   | 3 ++-
 .../rosetta-code/towers-of-hanoi.chinese.md                    | 3 ++-
 .../rosetta-code/vector-cross-product.chinese.md               | 3 ++-
 .../rosetta-code/vector-dot-product.chinese.md                 | 3 ++-
 .../10-coding-interview-prep/rosetta-code/word-wrap.chinese.md | 3 ++-
 .../rosetta-code/y-combinator.chinese.md                       | 3 ++-
 .../rosetta-code/zeckendorf-number-representation.chinese.md   | 3 ++-
 .../rosetta-code/zhang-suen-thinning-algorithm.chinese.md      | 3 ++-
 .../rosetta-code/zig-zag-matrix.chinese.md                     | 3 ++-
 .../take-home-projects/build-a-camper-leaderboard.chinese.md   | 3 ++-
 .../take-home-projects/build-a-light-bright-app.chinese.md     | 3 ++-
 .../build-a-nightlife-coordination-app.chinese.md              | 3 ++-
 .../take-home-projects/build-a-pinterest-clone.chinese.md      | 3 ++-
 .../take-home-projects/build-a-pong-game.chinese.md            | 3 ++-
 .../take-home-projects/build-a-recipe-box.chinese.md           | 3 ++-
 .../build-a-roguelike-dungeon-crawler-game.chinese.md          | 3 ++-
 .../take-home-projects/build-a-simon-game.chinese.md           | 3 ++-
 .../take-home-projects/build-a-tic-tac-toe-game.chinese.md     | 3 ++-
 .../take-home-projects/build-a-voting-app.chinese.md           | 3 ++-
 .../take-home-projects/build-a-wikipedia-viewer.chinese.md     | 3 ++-
 .../build-an-image-search-abstraction-layer.chinese.md         | 3 ++-
 .../take-home-projects/build-the-game-of-life.chinese.md       | 3 ++-
 .../take-home-projects/chart-the-stock-market.chinese.md       | 3 ++-
 .../take-home-projects/manage-a-book-trading-club.chinese.md   | 3 ++-
 .../take-home-projects/map-data-across-the-globe.chinese.md    | 3 ++-
 .../take-home-projects/p2p-video-chat-application.chinese.md   | 3 ++-
 ...-national-contiguity-with-a-force-directed-graph.chinese.md | 3 ++-
 .../take-home-projects/show-the-local-weather.chinese.md       | 3 ++-
 .../take-home-projects/use-the-twitch-json-api.chinese.md      | 3 ++-
 979 files changed, 1957 insertions(+), 978 deletions(-)

diff --git a/curriculum/challenges/chinese/01-responsive-web-design/basic-css/adjust-the-margin-of-an-element.chinese.md b/curriculum/challenges/chinese/01-responsive-web-design/basic-css/adjust-the-margin-of-an-element.chinese.md
index 3f1a4db583..b53836630c 100644
--- a/curriculum/challenges/chinese/01-responsive-web-design/basic-css/adjust-the-margin-of-an-element.chinese.md
+++ b/curriculum/challenges/chinese/01-responsive-web-design/basic-css/adjust-the-margin-of-an-element.chinese.md
@@ -89,5 +89,6 @@ tests:
 ```html
 // solution required
 ```
-</section>
+
+/section>
               
\ No newline at end of file
diff --git a/curriculum/challenges/chinese/01-responsive-web-design/basic-css/size-your-images.chinese.md b/curriculum/challenges/chinese/01-responsive-web-design/basic-css/size-your-images.chinese.md
index f5aec9d8c5..83543070d7 100644
--- a/curriculum/challenges/chinese/01-responsive-web-design/basic-css/size-your-images.chinese.md
+++ b/curriculum/challenges/chinese/01-responsive-web-design/basic-css/size-your-images.chinese.md
@@ -109,5 +109,6 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
               
\ No newline at end of file
diff --git a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/boo-who.chinese.md b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/boo-who.chinese.md
index ce5bdb672f..945aa3fdc2 100644
--- a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/boo-who.chinese.md
+++ b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/boo-who.chinese.md
@@ -75,4 +75,5 @@ function booWho(bool) {
 
 booWho(null);
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/chunky-monkey.chinese.md b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/chunky-monkey.chinese.md
index 42f5bd57ef..6f02514742 100644
--- a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/chunky-monkey.chinese.md
+++ b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/chunky-monkey.chinese.md
@@ -65,4 +65,5 @@ chunkArrayInGroups(["a", "b", "c", "d"], 2);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/confirm-the-ending.chinese.md b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/confirm-the-ending.chinese.md
index febe75d665..248f6cc1c8 100644
--- a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/confirm-the-ending.chinese.md
+++ b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/confirm-the-ending.chinese.md
@@ -74,4 +74,5 @@ confirmEnding("Bastian", "n");
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/convert-celsius-to-fahrenheit.chinese.md b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/convert-celsius-to-fahrenheit.chinese.md
index ef0d282aba..fea02190cd 100644
--- a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/convert-celsius-to-fahrenheit.chinese.md
+++ b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/convert-celsius-to-fahrenheit.chinese.md
@@ -69,4 +69,5 @@ function convertToF(celsius) {
 
 convertToF(30);
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/factorialize-a-number.chinese.md b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/factorialize-a-number.chinese.md
index d617a218d7..03d4342558 100644
--- a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/factorialize-a-number.chinese.md
+++ b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/factorialize-a-number.chinese.md
@@ -60,4 +60,5 @@ factorialize(5);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/falsy-bouncer.chinese.md b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/falsy-bouncer.chinese.md
index e67f3fc0cc..b3a0a3db57 100644
--- a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/falsy-bouncer.chinese.md
+++ b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/falsy-bouncer.chinese.md
@@ -59,4 +59,5 @@ bouncer([7, "ate", "", false, 9]);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/find-the-longest-word-in-a-string.chinese.md b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/find-the-longest-word-in-a-string.chinese.md
index 15439b4a94..88b1bff255 100644
--- a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/find-the-longest-word-in-a-string.chinese.md
+++ b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/find-the-longest-word-in-a-string.chinese.md
@@ -62,4 +62,5 @@ findLongestWordLength("The quick brown fox jumped over the lazy dog");
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/finders-keepers.chinese.md b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/finders-keepers.chinese.md
index 0315b22e5d..95c85c86ff 100644
--- a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/finders-keepers.chinese.md
+++ b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/finders-keepers.chinese.md
@@ -55,4 +55,5 @@ findElement([1, 2, 3, 4], num => num % 2 === 0);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/mutations.chinese.md b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/mutations.chinese.md
index 11e6b533fc..cd10c9b4c8 100644
--- a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/mutations.chinese.md
+++ b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/mutations.chinese.md
@@ -68,4 +68,5 @@ mutation(["hello", "hey"]);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/repeat-a-string-repeat-a-string.chinese.md b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/repeat-a-string-repeat-a-string.chinese.md
index 642db43aeb..b06c70f00d 100644
--- a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/repeat-a-string-repeat-a-string.chinese.md
+++ b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/repeat-a-string-repeat-a-string.chinese.md
@@ -65,4 +65,5 @@ repeatStringNumTimes("abc", 3);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/return-largest-numbers-in-arrays.chinese.md b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/return-largest-numbers-in-arrays.chinese.md
index 5a26570b11..6028364da3 100644
--- a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/return-largest-numbers-in-arrays.chinese.md
+++ b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/return-largest-numbers-in-arrays.chinese.md
@@ -59,4 +59,5 @@ largestOfFour([[4, 5, 1, 3], [13, 27, 18, 26], [32, 35, 37, 39], [1000, 1001, 85
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/reverse-a-string.chinese.md b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/reverse-a-string.chinese.md
index c492a6fa71..4c22bb3cad 100644
--- a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/reverse-a-string.chinese.md
+++ b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/reverse-a-string.chinese.md
@@ -58,4 +58,5 @@ reverseString("hello");
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/slice-and-splice.chinese.md b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/slice-and-splice.chinese.md
index fd19ba26b6..d54c8acfd4 100644
--- a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/slice-and-splice.chinese.md
+++ b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/slice-and-splice.chinese.md
@@ -72,4 +72,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/title-case-a-sentence.chinese.md b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/title-case-a-sentence.chinese.md
index 87daff28ce..68598a4ecb 100644
--- a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/title-case-a-sentence.chinese.md
+++ b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/title-case-a-sentence.chinese.md
@@ -58,4 +58,5 @@ titleCase("I'm a little tea pot");
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/truncate-a-string.chinese.md b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/truncate-a-string.chinese.md
index c7221010a5..e8f9b44ff2 100644
--- a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/truncate-a-string.chinese.md
+++ b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/truncate-a-string.chinese.md
@@ -63,4 +63,5 @@ truncateString("A-tisket a-tasket A green and yellow basket", 8);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/where-do-i-belong.chinese.md b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/where-do-i-belong.chinese.md
index f9a6bde2cb..b81588753b 100644
--- a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/where-do-i-belong.chinese.md
+++ b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/where-do-i-belong.chinese.md
@@ -83,4 +83,5 @@ getIndexToIns([40, 60], 50);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-data-structures/add-items-to-an-array-with-push-and-unshift.chinese.md b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-data-structures/add-items-to-an-array-with-push-and-unshift.chinese.md
index e9264e7838..f9f88fc716 100644
--- a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-data-structures/add-items-to-an-array-with-push-and-unshift.chinese.md
+++ b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-data-structures/add-items-to-an-array-with-push-and-unshift.chinese.md
@@ -21,6 +21,7 @@ romanNumerals.unshift('XIX', 'XX');
 romanNumerals.push(twentyThree);
 // 数组现在为 ['XIX', 'XX', 'XXI', 'XXII', 'XXIII']
 ```
+
 注意，我们还可以输入变量，这允许我们很灵活地动态改变我们数组中的数据。
 </section>
 
diff --git a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/debugging/catch-arguments-passed-in-the-wrong-order-when-calling-a-function.chinese.md b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/debugging/catch-arguments-passed-in-the-wrong-order-when-calling-a-function.chinese.md
index a82e59e998..2e0293cfb9 100644
--- a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/debugging/catch-arguments-passed-in-the-wrong-order-when-calling-a-function.chinese.md
+++ b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/debugging/catch-arguments-passed-in-the-wrong-order-when-calling-a-function.chinese.md
@@ -55,4 +55,5 @@ console.log(power);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/debugging/catch-missing-open-and-closing-parenthesis-after-a-function-call.chinese.md b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/debugging/catch-missing-open-and-closing-parenthesis-after-a-function-call.chinese.md
index b1c2075406..a1e20c5e70 100644
--- a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/debugging/catch-missing-open-and-closing-parenthesis-after-a-function-call.chinese.md
+++ b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/debugging/catch-missing-open-and-closing-parenthesis-after-a-function-call.chinese.md
@@ -55,4 +55,5 @@ console.log(result);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/debugging/catch-misspelled-variable-and-function-names.chinese.md b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/debugging/catch-misspelled-variable-and-function-names.chinese.md
index dd1b828a27..a836c3e8fa 100644
--- a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/debugging/catch-misspelled-variable-and-function-names.chinese.md
+++ b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/debugging/catch-misspelled-variable-and-function-names.chinese.md
@@ -57,4 +57,5 @@ console.log(`Net working capital is: ${netWorkingCapital}`);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/debugging/catch-mixed-usage-of-single-and-double-quotes.chinese.md b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/debugging/catch-mixed-usage-of-single-and-double-quotes.chinese.md
index 4a4e0c0f8d..380d4a88c1 100644
--- a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/debugging/catch-mixed-usage-of-single-and-double-quotes.chinese.md
+++ b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/debugging/catch-mixed-usage-of-single-and-double-quotes.chinese.md
@@ -49,4 +49,5 @@ console.log(innerHtml);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/debugging/catch-off-by-one-errors-when-using-indexing.chinese.md b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/debugging/catch-off-by-one-errors-when-using-indexing.chinese.md
index 149e01a828..5927087d64 100644
--- a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/debugging/catch-off-by-one-errors-when-using-indexing.chinese.md
+++ b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/debugging/catch-off-by-one-errors-when-using-indexing.chinese.md
@@ -62,4 +62,5 @@ countToFive();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/debugging/catch-unclosed-parentheses-brackets-braces-and-quotes.chinese.md b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/debugging/catch-unclosed-parentheses-brackets-braces-and-quotes.chinese.md
index 971d27d2c4..4660556f70 100644
--- a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/debugging/catch-unclosed-parentheses-brackets-braces-and-quotes.chinese.md
+++ b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/debugging/catch-unclosed-parentheses-brackets-braces-and-quotes.chinese.md
@@ -50,4 +50,5 @@ console.log(`Sum of array values is: ${arraySum}`);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/debugging/catch-use-of-assignment-operator-instead-of-equality-operator.chinese.md b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/debugging/catch-use-of-assignment-operator-instead-of-equality-operator.chinese.md
index 8989bc05c9..9328132821 100644
--- a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/debugging/catch-use-of-assignment-operator-instead-of-equality-operator.chinese.md
+++ b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/debugging/catch-use-of-assignment-operator-instead-of-equality-operator.chinese.md
@@ -58,4 +58,5 @@ console.log(result);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/debugging/prevent-infinite-loops-with-a-valid-terminal-condition.chinese.md b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/debugging/prevent-infinite-loops-with-a-valid-terminal-condition.chinese.md
index 86023f445d..fe0c930be4 100644
--- a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/debugging/prevent-infinite-loops-with-a-valid-terminal-condition.chinese.md
+++ b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/debugging/prevent-infinite-loops-with-a-valid-terminal-condition.chinese.md
@@ -52,4 +52,5 @@ function myFunc() {
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/debugging/understanding-the-differences-between-the-freecodecamp-and-browser-console.chinese.md b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/debugging/understanding-the-differences-between-the-freecodecamp-and-browser-console.chinese.md
index b5ec0af9c3..400dab5574 100644
--- a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/debugging/understanding-the-differences-between-the-freecodecamp-and-browser-console.chinese.md
+++ b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/debugging/understanding-the-differences-between-the-freecodecamp-and-browser-console.chinese.md
@@ -59,4 +59,5 @@ let outputOne = "Try to get this to log only once to the browser console";
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/debugging/use-caution-when-reinitializing-variables-inside-a-loop.chinese.md b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/debugging/use-caution-when-reinitializing-variables-inside-a-loop.chinese.md
index 3a05a7a3f0..06f2954715 100644
--- a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/debugging/use-caution-when-reinitializing-variables-inside-a-loop.chinese.md
+++ b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/debugging/use-caution-when-reinitializing-variables-inside-a-loop.chinese.md
@@ -68,4 +68,5 @@ console.log(matrix);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/debugging/use-the-javascript-console-to-check-the-value-of-a-variable.chinese.md b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/debugging/use-the-javascript-console-to-check-the-value-of-a-variable.chinese.md
index d428f95dcc..4429e44865 100644
--- a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/debugging/use-the-javascript-console-to-check-the-value-of-a-variable.chinese.md
+++ b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/debugging/use-the-javascript-console-to-check-the-value-of-a-variable.chinese.md
@@ -53,4 +53,5 @@ console.log(sumAB);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/debugging/use-typeof-to-check-the-type-of-a-variable.chinese.md b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/debugging/use-typeof-to-check-the-type-of-a-variable.chinese.md
index 625250fcd9..6740a49d3d 100644
--- a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/debugging/use-typeof-to-check-the-type-of-a-variable.chinese.md
+++ b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/debugging/use-typeof-to-check-the-type-of-a-variable.chinese.md
@@ -53,4 +53,5 @@ console.log(seven + three);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/arguments-optional.chinese.md b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/arguments-optional.chinese.md
index de04df88a1..799348b62b 100644
--- a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/arguments-optional.chinese.md
+++ b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/arguments-optional.chinese.md
@@ -60,4 +60,5 @@ addTogether(2,3);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/binary-agents.chinese.md b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/binary-agents.chinese.md
index 096d1cb574..c5347f44a0 100644
--- a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/binary-agents.chinese.md
+++ b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/binary-agents.chinese.md
@@ -54,4 +54,5 @@ binaryAgent("01000001 01110010 01100101 01101110 00100111 01110100 00100000 0110
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/convert-html-entities.chinese.md b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/convert-html-entities.chinese.md
index 858d766aec..b20ba74c91 100644
--- a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/convert-html-entities.chinese.md
+++ b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/convert-html-entities.chinese.md
@@ -65,4 +65,5 @@ convertHTML("Dolce & Gabbana");
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/diff-two-arrays.chinese.md b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/diff-two-arrays.chinese.md
index 1519b285c8..132da13897 100644
--- a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/diff-two-arrays.chinese.md
+++ b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/diff-two-arrays.chinese.md
@@ -82,4 +82,5 @@ diffArray([1, 2, 3, 5], [1, 2, 3, 4, 5]);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/dna-pairing.chinese.md b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/dna-pairing.chinese.md
index 44ca037f75..66a5ac8671 100644
--- a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/dna-pairing.chinese.md
+++ b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/dna-pairing.chinese.md
@@ -56,4 +56,5 @@ pairElement("GCG");
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/drop-it.chinese.md b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/drop-it.chinese.md
index 8bf15bf141..d91076d1bc 100644
--- a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/drop-it.chinese.md
+++ b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/drop-it.chinese.md
@@ -63,4 +63,5 @@ dropElements([1, 2, 3], function(n) {return n < 3; });
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/everything-be-true.chinese.md b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/everything-be-true.chinese.md
index cc4b24d320..39974462b1 100644
--- a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/everything-be-true.chinese.md
+++ b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/everything-be-true.chinese.md
@@ -69,4 +69,5 @@ truthCheck([{"user": "Tinky-Winky", "sex": "male"}, {"user": "Dipsy", "sex": "ma
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/make-a-person.chinese.md b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/make-a-person.chinese.md
index d1fcbb488a..1849611048 100644
--- a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/make-a-person.chinese.md
+++ b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/make-a-person.chinese.md
@@ -78,4 +78,5 @@ bob.getFullName();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/map-the-debris.chinese.md b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/map-the-debris.chinese.md
index ba9757732b..3ebb472b2c 100644
--- a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/map-the-debris.chinese.md
+++ b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/map-the-debris.chinese.md
@@ -55,4 +55,5 @@ orbitalPeriod([{name : "sputnik", avgAlt : 35873.5553}]);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/missing-letters.chinese.md b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/missing-letters.chinese.md
index 1ce1dbc61f..3758c90684 100644
--- a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/missing-letters.chinese.md
+++ b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/missing-letters.chinese.md
@@ -60,4 +60,5 @@ fearNotLetter("abce");
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/pig-latin.chinese.md b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/pig-latin.chinese.md
index 6945f0991b..5f2e2da46d 100644
--- a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/pig-latin.chinese.md
+++ b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/pig-latin.chinese.md
@@ -64,4 +64,5 @@ translatePigLatin("consonant");
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/search-and-replace.chinese.md b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/search-and-replace.chinese.md
index cb921d6208..80fe3718fa 100644
--- a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/search-and-replace.chinese.md
+++ b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/search-and-replace.chinese.md
@@ -60,4 +60,5 @@ myReplace("A quick brown fox jumped over the lazy dog", "jumped", "leaped");
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/seek-and-destroy.chinese.md b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/seek-and-destroy.chinese.md
index d05d51a77f..953ec96b7f 100644
--- a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/seek-and-destroy.chinese.md
+++ b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/seek-and-destroy.chinese.md
@@ -63,4 +63,5 @@ destroyer([1, 2, 3, 1, 2, 3], 2, 3);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/smallest-common-multiple.chinese.md b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/smallest-common-multiple.chinese.md
index d0c01a7cd1..652f1cb2f4 100644
--- a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/smallest-common-multiple.chinese.md
+++ b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/smallest-common-multiple.chinese.md
@@ -63,4 +63,5 @@ smallestCommons([1,5]);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/sorted-union.chinese.md b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/sorted-union.chinese.md
index 2714ea1bb3..e2f4eab524 100644
--- a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/sorted-union.chinese.md
+++ b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/sorted-union.chinese.md
@@ -56,4 +56,5 @@ uniteUnique([1, 3, 2], [5, 2, 1, 4], [2, 1]);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/spinal-tap-case.chinese.md b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/spinal-tap-case.chinese.md
index bd4d7ac836..97a3eac64d 100644
--- a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/spinal-tap-case.chinese.md
+++ b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/spinal-tap-case.chinese.md
@@ -62,4 +62,5 @@ spinalCase('This Is Spinal Tap');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/steamroller.chinese.md b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/steamroller.chinese.md
index 837d823181..4e2ad5f956 100644
--- a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/steamroller.chinese.md
+++ b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/steamroller.chinese.md
@@ -59,4 +59,5 @@ steamrollArray([1, [2], [3, [[4]]]]);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/sum-all-numbers-in-a-range.chinese.md b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/sum-all-numbers-in-a-range.chinese.md
index 16d623b4ea..79276d8f0c 100644
--- a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/sum-all-numbers-in-a-range.chinese.md
+++ b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/sum-all-numbers-in-a-range.chinese.md
@@ -60,4 +60,5 @@ sumAll([1, 4]);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/sum-all-odd-fibonacci-numbers.chinese.md b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/sum-all-odd-fibonacci-numbers.chinese.md
index 0cae869099..20bd140c3a 100644
--- a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/sum-all-odd-fibonacci-numbers.chinese.md
+++ b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/sum-all-odd-fibonacci-numbers.chinese.md
@@ -62,4 +62,5 @@ sumFibs(4);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/sum-all-primes.chinese.md b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/sum-all-primes.chinese.md
index 1749bc8b9d..53c7838a7f 100644
--- a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/sum-all-primes.chinese.md
+++ b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/sum-all-primes.chinese.md
@@ -56,4 +56,5 @@ sumPrimes(10);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/wherefore-art-thou.chinese.md b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/wherefore-art-thou.chinese.md
index 9aba4b3af5..761c2b51df 100644
--- a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/wherefore-art-thou.chinese.md
+++ b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/wherefore-art-thou.chinese.md
@@ -68,4 +68,5 @@ whatIsInAName([{ first: "Romeo", last: "Montague" }, { first: "Mercutio", last:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/javascript-algorithms-and-data-structures-projects/caesars-cipher.chinese.md b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/javascript-algorithms-and-data-structures-projects/caesars-cipher.chinese.md
index c2430d8fdb..1eebec07f3 100644
--- a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/javascript-algorithms-and-data-structures-projects/caesars-cipher.chinese.md
+++ b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/javascript-algorithms-and-data-structures-projects/caesars-cipher.chinese.md
@@ -60,4 +60,5 @@ rot13("SERR PBQR PNZC");
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/javascript-algorithms-and-data-structures-projects/cash-register.chinese.md b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/javascript-algorithms-and-data-structures-projects/cash-register.chinese.md
index 6a14cb2c31..d31d857020 100644
--- a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/javascript-algorithms-and-data-structures-projects/cash-register.chinese.md
+++ b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/javascript-algorithms-and-data-structures-projects/cash-register.chinese.md
@@ -75,4 +75,5 @@ checkCashRegister(19.5, 20, [["PENNY", 1.01], ["NICKEL", 2.05], ["DIME", 3.1], [
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/javascript-algorithms-and-data-structures-projects/palindrome-checker.chinese.md b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/javascript-algorithms-and-data-structures-projects/palindrome-checker.chinese.md
index d5cbd07abc..7531a9766c 100644
--- a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/javascript-algorithms-and-data-structures-projects/palindrome-checker.chinese.md
+++ b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/javascript-algorithms-and-data-structures-projects/palindrome-checker.chinese.md
@@ -79,4 +79,5 @@ palindrome("eye");
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/javascript-algorithms-and-data-structures-projects/roman-numeral-converter.chinese.md b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/javascript-algorithms-and-data-structures-projects/roman-numeral-converter.chinese.md
index c28119dacd..6e268c12c7 100644
--- a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/javascript-algorithms-and-data-structures-projects/roman-numeral-converter.chinese.md
+++ b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/javascript-algorithms-and-data-structures-projects/roman-numeral-converter.chinese.md
@@ -102,4 +102,5 @@ convertToRoman(36);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/javascript-algorithms-and-data-structures-projects/telephone-number-validator.chinese.md b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/javascript-algorithms-and-data-structures-projects/telephone-number-validator.chinese.md
index 7e801461d2..cfd02844c5 100644
--- a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/javascript-algorithms-and-data-structures-projects/telephone-number-validator.chinese.md
+++ b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/javascript-algorithms-and-data-structures-projects/telephone-number-validator.chinese.md
@@ -105,4 +105,5 @@ telephoneCheck("555-555-5555");
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/add-elements-within-your-bootstrap-wells.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/add-elements-within-your-bootstrap-wells.chinese.md
index ba585587c0..06086f26b8 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/add-elements-within-your-bootstrap-wells.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/add-elements-within-your-bootstrap-wells.chinese.md
@@ -69,4 +69,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/add-font-awesome-icons-to-all-of-our-buttons.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/add-font-awesome-icons-to-all-of-our-buttons.chinese.md
index 2caf1d474e..02f3a56b7e 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/add-font-awesome-icons-to-all-of-our-buttons.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/add-font-awesome-icons-to-all-of-our-buttons.chinese.md
@@ -110,4 +110,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/add-font-awesome-icons-to-our-buttons.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/add-font-awesome-icons-to-our-buttons.chinese.md
index c89faf2178..0ca0f9640d 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/add-font-awesome-icons-to-our-buttons.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/add-font-awesome-icons-to-our-buttons.chinese.md
@@ -112,4 +112,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/add-id-attributes-to-bootstrap-elements.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/add-id-attributes-to-bootstrap-elements.chinese.md
index 889af7ad51..5fd5e2ee2c 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/add-id-attributes-to-bootstrap-elements.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/add-id-attributes-to-bootstrap-elements.chinese.md
@@ -67,4 +67,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/apply-the-default-bootstrap-button-style.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/apply-the-default-bootstrap-button-style.chinese.md
index 11be169e42..e227676175 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/apply-the-default-bootstrap-button-style.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/apply-the-default-bootstrap-button-style.chinese.md
@@ -67,4 +67,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/call-out-optional-actions-with-btn-info.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/call-out-optional-actions-with-btn-info.chinese.md
index 4abf2667e4..2fa9cbed72 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/call-out-optional-actions-with-btn-info.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/call-out-optional-actions-with-btn-info.chinese.md
@@ -110,4 +110,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/center-text-with-bootstrap.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/center-text-with-bootstrap.chinese.md
index fabbc3270d..38a4a20f56 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/center-text-with-bootstrap.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/center-text-with-bootstrap.chinese.md
@@ -105,4 +105,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/create-a-block-element-bootstrap-button.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/create-a-block-element-bootstrap-button.chinese.md
index 5621785c56..efccf79f68 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/create-a-block-element-bootstrap-button.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/create-a-block-element-bootstrap-button.chinese.md
@@ -108,4 +108,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/create-a-bootstrap-button.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/create-a-bootstrap-button.chinese.md
index e57826eb5d..9febc25e18 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/create-a-bootstrap-button.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/create-a-bootstrap-button.chinese.md
@@ -108,4 +108,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/create-a-bootstrap-headline.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/create-a-bootstrap-headline.chinese.md
index 6b09ab45cb..4e386563c8 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/create-a-bootstrap-headline.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/create-a-bootstrap-headline.chinese.md
@@ -54,4 +54,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/create-a-bootstrap-row.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/create-a-bootstrap-row.chinese.md
index d5871c17a0..29bb2234f0 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/create-a-bootstrap-row.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/create-a-bootstrap-row.chinese.md
@@ -56,4 +56,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/create-a-class-to-target-with-jquery-selectors.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/create-a-class-to-target-with-jquery-selectors.chinese.md
index b55f4c23b9..9812a1d205 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/create-a-class-to-target-with-jquery-selectors.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/create-a-class-to-target-with-jquery-selectors.chinese.md
@@ -65,4 +65,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/create-a-custom-heading.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/create-a-custom-heading.chinese.md
index 87eb77df76..9bb2c0fbbd 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/create-a-custom-heading.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/create-a-custom-heading.chinese.md
@@ -106,4 +106,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/create-bootstrap-wells.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/create-bootstrap-wells.chinese.md
index ebe3619170..c1257a9d21 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/create-bootstrap-wells.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/create-bootstrap-wells.chinese.md
@@ -61,4 +61,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/ditch-custom-css-for-bootstrap.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/ditch-custom-css-for-bootstrap.chinese.md
index bb7259a173..4ed125062e 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/ditch-custom-css-for-bootstrap.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/ditch-custom-css-for-bootstrap.chinese.md
@@ -122,4 +122,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/give-each-element-a-unique-id.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/give-each-element-a-unique-id.chinese.md
index b6e252e503..d741426d2b 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/give-each-element-a-unique-id.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/give-each-element-a-unique-id.chinese.md
@@ -77,4 +77,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/house-our-page-within-a-bootstrap-container-fluid-div.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/house-our-page-within-a-bootstrap-container-fluid-div.chinese.md
index 49790ffc4b..40483fe231 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/house-our-page-within-a-bootstrap-container-fluid-div.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/house-our-page-within-a-bootstrap-container-fluid-div.chinese.md
@@ -51,4 +51,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/label-bootstrap-buttons.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/label-bootstrap-buttons.chinese.md
index 642e164b4a..27241c9b9d 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/label-bootstrap-buttons.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/label-bootstrap-buttons.chinese.md
@@ -77,4 +77,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/label-bootstrap-wells.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/label-bootstrap-wells.chinese.md
index b067931497..5d2849bd97 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/label-bootstrap-wells.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/label-bootstrap-wells.chinese.md
@@ -73,4 +73,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/line-up-form-elements-responsively-with-bootstrap.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/line-up-form-elements-responsively-with-bootstrap.chinese.md
index 76ac515736..adb4e3478c 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/line-up-form-elements-responsively-with-bootstrap.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/line-up-form-elements-responsively-with-bootstrap.chinese.md
@@ -127,4 +127,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/make-images-mobile-responsive.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/make-images-mobile-responsive.chinese.md
index 1b2603df3e..4a9af31b45 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/make-images-mobile-responsive.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/make-images-mobile-responsive.chinese.md
@@ -110,4 +110,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/responsively-style-checkboxes.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/responsively-style-checkboxes.chinese.md
index 02596581be..f27f7b3e5e 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/responsively-style-checkboxes.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/responsively-style-checkboxes.chinese.md
@@ -117,4 +117,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/responsively-style-radio-buttons.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/responsively-style-radio-buttons.chinese.md
index 2ce64283c5..043cc66d07 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/responsively-style-radio-buttons.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/responsively-style-radio-buttons.chinese.md
@@ -110,4 +110,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/split-your-bootstrap-row.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/split-your-bootstrap-row.chinese.md
index 18f892adf5..9dc19701dd 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/split-your-bootstrap-row.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/split-your-bootstrap-row.chinese.md
@@ -55,4 +55,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/style-text-inputs-as-form-controls.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/style-text-inputs-as-form-controls.chinese.md
index 26187c313d..781819d689 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/style-text-inputs-as-form-controls.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/style-text-inputs-as-form-controls.chinese.md
@@ -127,4 +127,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/taste-the-bootstrap-button-color-rainbow.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/taste-the-bootstrap-button-color-rainbow.chinese.md
index 6e768cfa66..ff544260fe 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/taste-the-bootstrap-button-color-rainbow.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/taste-the-bootstrap-button-color-rainbow.chinese.md
@@ -108,4 +108,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/use-a-span-to-target-inline-elements.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/use-a-span-to-target-inline-elements.chinese.md
index dae5587224..38099e7e0c 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/use-a-span-to-target-inline-elements.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/use-a-span-to-target-inline-elements.chinese.md
@@ -107,4 +107,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/use-comments-to-clarify-code.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/use-comments-to-clarify-code.chinese.md
index f8b7ead722..5120029201 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/use-comments-to-clarify-code.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/use-comments-to-clarify-code.chinese.md
@@ -73,4 +73,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/use-responsive-design-with-bootstrap-fluid-containers.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/use-responsive-design-with-bootstrap-fluid-containers.chinese.md
index 0d4694eec1..9377deb4da 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/use-responsive-design-with-bootstrap-fluid-containers.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/use-responsive-design-with-bootstrap-fluid-containers.chinese.md
@@ -104,4 +104,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/use-the-bootstrap-grid-to-put-elements-side-by-side.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/use-the-bootstrap-grid-to-put-elements-side-by-side.chinese.md
index 6886ab41cd..153ca2715c 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/use-the-bootstrap-grid-to-put-elements-side-by-side.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/use-the-bootstrap-grid-to-put-elements-side-by-side.chinese.md
@@ -112,4 +112,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/warn-your-users-of-a-dangerous-action-with-btn-danger.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/warn-your-users-of-a-dangerous-action-with-btn-danger.chinese.md
index 0579a9f02c..bd8759207b 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/warn-your-users-of-a-dangerous-action-with-btn-danger.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/bootstrap/warn-your-users-of-a-dangerous-action-with-btn-danger.chinese.md
@@ -111,4 +111,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/front-end-libraries-projects/build-a-drum-machine.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/front-end-libraries-projects/build-a-drum-machine.chinese.md
index 133f80af1a..634695f5fb 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/front-end-libraries-projects/build-a-drum-machine.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/front-end-libraries-projects/build-a-drum-machine.chinese.md
@@ -35,4 +35,5 @@ tests: []
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/front-end-libraries-projects/build-a-javascript-calculator.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/front-end-libraries-projects/build-a-javascript-calculator.chinese.md
index bcd6e4595e..8b27450101 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/front-end-libraries-projects/build-a-javascript-calculator.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/front-end-libraries-projects/build-a-javascript-calculator.chinese.md
@@ -35,4 +35,5 @@ tests: []
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/front-end-libraries-projects/build-a-markdown-previewer.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/front-end-libraries-projects/build-a-markdown-previewer.chinese.md
index 6de8130a2c..0f6e849eca 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/front-end-libraries-projects/build-a-markdown-previewer.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/front-end-libraries-projects/build-a-markdown-previewer.chinese.md
@@ -35,4 +35,5 @@ tests: []
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/front-end-libraries-projects/build-a-pomodoro-clock.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/front-end-libraries-projects/build-a-pomodoro-clock.chinese.md
index dd88c7b0cc..0321371fa4 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/front-end-libraries-projects/build-a-pomodoro-clock.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/front-end-libraries-projects/build-a-pomodoro-clock.chinese.md
@@ -35,4 +35,5 @@ tests: []
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/front-end-libraries-projects/build-a-random-quote-machine.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/front-end-libraries-projects/build-a-random-quote-machine.chinese.md
index b771e50d8d..904345cb31 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/front-end-libraries-projects/build-a-random-quote-machine.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/front-end-libraries-projects/build-a-random-quote-machine.chinese.md
@@ -35,4 +35,5 @@ tests: []
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/jquery/change-text-inside-an-element-using-jquery.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/jquery/change-text-inside-an-element-using-jquery.chinese.md
index 82a956b12d..7478ef7b87 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/jquery/change-text-inside-an-element-using-jquery.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/jquery/change-text-inside-an-element-using-jquery.chinese.md
@@ -84,4 +84,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/jquery/change-the-css-of-an-element-using-jquery.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/jquery/change-the-css-of-an-element-using-jquery.chinese.md
index b9850281ab..95e8d37ecf 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/jquery/change-the-css-of-an-element-using-jquery.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/jquery/change-the-css-of-an-element-using-jquery.chinese.md
@@ -83,4 +83,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/jquery/clone-an-element-using-jquery.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/jquery/clone-an-element-using-jquery.chinese.md
index 50f6392993..356102d817 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/jquery/clone-an-element-using-jquery.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/jquery/clone-an-element-using-jquery.chinese.md
@@ -83,4 +83,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/jquery/delete-your-jquery-functions.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/jquery/delete-your-jquery-functions.chinese.md
index 375740134b..7880351570 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/jquery/delete-your-jquery-functions.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/jquery/delete-your-jquery-functions.chinese.md
@@ -88,4 +88,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/jquery/disable-an-element-using-jquery.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/jquery/disable-an-element-using-jquery.chinese.md
index 385286e1a6..c61a80aca3 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/jquery/disable-an-element-using-jquery.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/jquery/disable-an-element-using-jquery.chinese.md
@@ -80,4 +80,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/jquery/learn-how-script-tags-and-document-ready-work.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/jquery/learn-how-script-tags-and-document-ready-work.chinese.md
index 89e9e5d2a0..701721be36 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/jquery/learn-how-script-tags-and-document-ready-work.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/jquery/learn-how-script-tags-and-document-ready-work.chinese.md
@@ -73,4 +73,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/jquery/remove-an-element-using-jquery.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/jquery/remove-an-element-using-jquery.chinese.md
index 67f5e23035..6e79e5b12a 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/jquery/remove-an-element-using-jquery.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/jquery/remove-an-element-using-jquery.chinese.md
@@ -79,4 +79,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/jquery/remove-classes-from-an-element-with-jquery.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/jquery/remove-classes-from-an-element-with-jquery.chinese.md
index 586d126b74..ca8a25df8b 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/jquery/remove-classes-from-an-element-with-jquery.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/jquery/remove-classes-from-an-element-with-jquery.chinese.md
@@ -84,4 +84,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/jquery/target-a-specific-child-of-an-element-using-jquery.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/jquery/target-a-specific-child-of-an-element-using-jquery.chinese.md
index 674f8780d6..256e317cba 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/jquery/target-a-specific-child-of-an-element-using-jquery.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/jquery/target-a-specific-child-of-an-element-using-jquery.chinese.md
@@ -90,4 +90,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/jquery/target-elements-by-class-using-jquery.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/jquery/target-elements-by-class-using-jquery.chinese.md
index 7ff0c70d71..9680f9cee5 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/jquery/target-elements-by-class-using-jquery.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/jquery/target-elements-by-class-using-jquery.chinese.md
@@ -79,4 +79,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/jquery/target-elements-by-id-using-jquery.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/jquery/target-elements-by-id-using-jquery.chinese.md
index ead17a6a83..0ded01890e 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/jquery/target-elements-by-id-using-jquery.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/jquery/target-elements-by-id-using-jquery.chinese.md
@@ -83,4 +83,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/jquery/target-even-elements-using-jquery.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/jquery/target-even-elements-using-jquery.chinese.md
index 597b332625..c6bb87c1b4 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/jquery/target-even-elements-using-jquery.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/jquery/target-even-elements-using-jquery.chinese.md
@@ -90,4 +90,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/jquery/target-html-elements-with-selectors-using-jquery.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/jquery/target-html-elements-with-selectors-using-jquery.chinese.md
index 93c5feb341..cc224f4d3b 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/jquery/target-html-elements-with-selectors-using-jquery.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/jquery/target-html-elements-with-selectors-using-jquery.chinese.md
@@ -81,4 +81,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/jquery/target-the-children-of-an-element-using-jquery.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/jquery/target-the-children-of-an-element-using-jquery.chinese.md
index 5466433040..ba5b98f31b 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/jquery/target-the-children-of-an-element-using-jquery.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/jquery/target-the-children-of-an-element-using-jquery.chinese.md
@@ -84,4 +84,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/jquery/target-the-parent-of-an-element-using-jquery.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/jquery/target-the-parent-of-an-element-using-jquery.chinese.md
index 1875cc7cc3..2c25244f02 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/jquery/target-the-parent-of-an-element-using-jquery.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/jquery/target-the-parent-of-an-element-using-jquery.chinese.md
@@ -88,4 +88,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/jquery/target-the-same-element-with-multiple-jquery-selectors.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/jquery/target-the-same-element-with-multiple-jquery-selectors.chinese.md
index 8d2b597de7..298f6377c9 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/jquery/target-the-same-element-with-multiple-jquery-selectors.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/jquery/target-the-same-element-with-multiple-jquery-selectors.chinese.md
@@ -87,4 +87,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/jquery/use-appendto-to-move-elements-with-jquery.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/jquery/use-appendto-to-move-elements-with-jquery.chinese.md
index cbec717c70..8984daf817 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/jquery/use-appendto-to-move-elements-with-jquery.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/jquery/use-appendto-to-move-elements-with-jquery.chinese.md
@@ -82,4 +82,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/jquery/use-jquery-to-modify-the-entire-page.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/jquery/use-jquery-to-modify-the-entire-page.chinese.md
index 85032cc61a..bfd3ad3ccc 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/jquery/use-jquery-to-modify-the-entire-page.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/jquery/use-jquery-to-modify-the-entire-page.chinese.md
@@ -87,4 +87,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/react-and-redux/connect-redux-to-react.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/react-and-redux/connect-redux-to-react.chinese.md
index a51eb202f4..ec2b351d09 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/react-and-redux/connect-redux-to-react.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/react-and-redux/connect-redux-to-react.chinese.md
@@ -90,4 +90,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/react-and-redux/connect-redux-to-the-messages-app.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/react-and-redux/connect-redux-to-the-messages-app.chinese.md
index a58f45d185..14e1603708 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/react-and-redux/connect-redux-to-the-messages-app.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/react-and-redux/connect-redux-to-the-messages-app.chinese.md
@@ -158,4 +158,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/react-and-redux/extract-local-state-into-redux.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/react-and-redux/extract-local-state-into-redux.chinese.md
index 341f069a17..af3753a7cb 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/react-and-redux/extract-local-state-into-redux.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/react-and-redux/extract-local-state-into-redux.chinese.md
@@ -165,4 +165,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/react-and-redux/extract-state-logic-to-redux.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/react-and-redux/extract-state-logic-to-redux.chinese.md
index 73e863a3f5..4e14b32560 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/react-and-redux/extract-state-logic-to-redux.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/react-and-redux/extract-state-logic-to-redux.chinese.md
@@ -57,4 +57,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/react-and-redux/getting-started-with-react-redux.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/react-and-redux/getting-started-with-react-redux.chinese.md
index a84321ecb0..a4c6ed53a2 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/react-and-redux/getting-started-with-react-redux.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/react-and-redux/getting-started-with-react-redux.chinese.md
@@ -66,4 +66,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/react-and-redux/manage-state-locally-first.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/react-and-redux/manage-state-locally-first.chinese.md
index 92bc8d7a0b..520e500e23 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/react-and-redux/manage-state-locally-first.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/react-and-redux/manage-state-locally-first.chinese.md
@@ -85,4 +85,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/react-and-redux/map-dispatch-to-props.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/react-and-redux/map-dispatch-to-props.chinese.md
index c114b425f2..2df2e3a248 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/react-and-redux/map-dispatch-to-props.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/react-and-redux/map-dispatch-to-props.chinese.md
@@ -60,4 +60,5 @@ const addMessage = (message) => {
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/react-and-redux/map-state-to-props.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/react-and-redux/map-state-to-props.chinese.md
index 6337e26275..0800a60bfb 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/react-and-redux/map-state-to-props.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/react-and-redux/map-state-to-props.chinese.md
@@ -55,4 +55,5 @@ const state = [];
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/react-and-redux/moving-forward-from-here.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/react-and-redux/moving-forward-from-here.chinese.md
index d15c4e5f70..7b6af75707 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/react-and-redux/moving-forward-from-here.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/react-and-redux/moving-forward-from-here.chinese.md
@@ -68,4 +68,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/react-and-redux/use-provider-to-connect-redux-to-react.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/react-and-redux/use-provider-to-connect-redux-to-react.chinese.md
index 9c4092d08d..790a7807aa 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/react-and-redux/use-provider-to-connect-redux-to-react.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/react-and-redux/use-provider-to-connect-redux-to-react.chinese.md
@@ -138,4 +138,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/react/access-props-using-this.props.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/react/access-props-using-this.props.chinese.md
index 3ed900adb0..600491b9a6 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/react/access-props-using-this.props.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/react/access-props-using-this.props.chinese.md
@@ -96,4 +96,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/react/add-comments-in-jsx.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/react/add-comments-in-jsx.chinese.md
index 4618f2205c..a542ecf42a 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/react/add-comments-in-jsx.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/react/add-comments-in-jsx.chinese.md
@@ -66,4 +66,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/react/add-event-listeners.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/react/add-event-listeners.chinese.md
index 1b8502a4dd..81ce165cfd 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/react/add-event-listeners.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/react/add-event-listeners.chinese.md
@@ -95,4 +95,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/react/add-inline-styles-in-react.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/react/add-inline-styles-in-react.chinese.md
index 5b1be1dfe2..0fea96b825 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/react/add-inline-styles-in-react.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/react/add-inline-styles-in-react.chinese.md
@@ -75,4 +75,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/react/bind-this-to-a-class-method.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/react/bind-this-to-a-class-method.chinese.md
index 3922256d4f..4c1c69fb4e 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/react/bind-this-to-a-class-method.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/react/bind-this-to-a-class-method.chinese.md
@@ -84,4 +84,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/react/change-inline-css-conditionally-based-on-component-state.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/react/change-inline-css-conditionally-based-on-component-state.chinese.md
index 61cda01b80..a38ab365b5 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/react/change-inline-css-conditionally-based-on-component-state.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/react/change-inline-css-conditionally-based-on-component-state.chinese.md
@@ -92,4 +92,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/react/compose-react-components.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/react/compose-react-components.chinese.md
index 5aa0c6f584..722b00f9ba 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/react/compose-react-components.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/react/compose-react-components.chinese.md
@@ -144,4 +144,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/react/create-a-complex-jsx-element.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/react/create-a-complex-jsx-element.chinese.md
index f6d3b8bde0..a60a8f95f4 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/react/create-a-complex-jsx-element.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/react/create-a-complex-jsx-element.chinese.md
@@ -63,4 +63,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/react/create-a-component-with-composition.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/react/create-a-component-with-composition.chinese.md
index 781d836c38..2124711b56 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/react/create-a-component-with-composition.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/react/create-a-component-with-composition.chinese.md
@@ -82,4 +82,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/react/create-a-controlled-form.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/react/create-a-controlled-form.chinese.md
index 09676fad20..89a17bfaf5 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/react/create-a-controlled-form.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/react/create-a-controlled-form.chinese.md
@@ -98,4 +98,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/react/create-a-controlled-input.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/react/create-a-controlled-input.chinese.md
index dafa1a7112..069c3bdaae 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/react/create-a-controlled-input.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/react/create-a-controlled-input.chinese.md
@@ -83,4 +83,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/react/create-a-react-component.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/react/create-a-react-component.chinese.md
index 4ae0041e6a..e31229fd85 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/react/create-a-react-component.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/react/create-a-react-component.chinese.md
@@ -70,4 +70,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/react/create-a-simple-jsx-element.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/react/create-a-simple-jsx-element.chinese.md
index 5e6d9932fd..eb9d7179d2 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/react/create-a-simple-jsx-element.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/react/create-a-simple-jsx-element.chinese.md
@@ -57,4 +57,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/react/create-a-stateful-component.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/react/create-a-stateful-component.chinese.md
index bb43df40c3..ae1420b9a2 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/react/create-a-stateful-component.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/react/create-a-stateful-component.chinese.md
@@ -74,4 +74,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/react/create-a-stateless-functional-component.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/react/create-a-stateless-functional-component.chinese.md
index 04778dbfe1..a0274ede2d 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/react/create-a-stateless-functional-component.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/react/create-a-stateless-functional-component.chinese.md
@@ -65,4 +65,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/react/define-an-html-class-in-jsx.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/react/define-an-html-class-in-jsx.chinese.md
index 71da459b49..6ea1340ae6 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/react/define-an-html-class-in-jsx.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/react/define-an-html-class-in-jsx.chinese.md
@@ -61,4 +61,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/react/give-sibling-elements-a-unique-key-attribute.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/react/give-sibling-elements-a-unique-key-attribute.chinese.md
index 3fe5fe4d15..8b0cc6e42a 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/react/give-sibling-elements-a-unique-key-attribute.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/react/give-sibling-elements-a-unique-key-attribute.chinese.md
@@ -82,4 +82,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/react/introducing-inline-styles.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/react/introducing-inline-styles.chinese.md
index f29c5ab3ba..3f5af1811f 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/react/introducing-inline-styles.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/react/introducing-inline-styles.chinese.md
@@ -65,4 +65,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/react/learn-about-self-closing-jsx-tags.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/react/learn-about-self-closing-jsx-tags.chinese.md
index c2a06a4362..56f411850b 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/react/learn-about-self-closing-jsx-tags.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/react/learn-about-self-closing-jsx-tags.chinese.md
@@ -67,4 +67,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/react/optimize-re-renders-with-shouldcomponentupdate.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/react/optimize-re-renders-with-shouldcomponentupdate.chinese.md
index 0c0d13944a..95eec6271a 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/react/optimize-re-renders-with-shouldcomponentupdate.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/react/optimize-re-renders-with-shouldcomponentupdate.chinese.md
@@ -103,4 +103,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/react/override-default-props.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/react/override-default-props.chinese.md
index 21c0f3b6ef..9200dfd5b0 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/react/override-default-props.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/react/override-default-props.chinese.md
@@ -76,4 +76,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/react/pass-a-callback-as-props.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/react/pass-a-callback-as-props.chinese.md
index 12268d8724..c59029cad2 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/react/pass-a-callback-as-props.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/react/pass-a-callback-as-props.chinese.md
@@ -115,4 +115,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/react/pass-an-array-as-props.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/react/pass-an-array-as-props.chinese.md
index b5dbaa15bf..119f1edb02 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/react/pass-an-array-as-props.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/react/pass-an-array-as-props.chinese.md
@@ -90,4 +90,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/react/pass-props-to-a-stateless-functional-component.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/react/pass-props-to-a-stateless-functional-component.chinese.md
index 5562640c26..b75afa1402 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/react/pass-props-to-a-stateless-functional-component.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/react/pass-props-to-a-stateless-functional-component.chinese.md
@@ -87,4 +87,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/react/pass-state-as-props-to-child-components.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/react/pass-state-as-props-to-child-components.chinese.md
index 3abdd64d83..8ba19224d4 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/react/pass-state-as-props-to-child-components.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/react/pass-state-as-props-to-child-components.chinese.md
@@ -86,4 +86,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/react/render-a-class-component-to-the-dom.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/react/render-a-class-component-to-the-dom.chinese.md
index 1e49201ab5..0fded52283 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/react/render-a-class-component-to-the-dom.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/react/render-a-class-component-to-the-dom.chinese.md
@@ -110,4 +110,5 @@ const Vegetables = () => {
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/react/render-conditionally-from-props.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/react/render-conditionally-from-props.chinese.md
index 7829c24d8b..f64fbf4174 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/react/render-conditionally-from-props.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/react/render-conditionally-from-props.chinese.md
@@ -107,4 +107,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/react/render-html-elements-to-the-dom.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/react/render-html-elements-to-the-dom.chinese.md
index 387a925db4..db439c8190 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/react/render-html-elements-to-the-dom.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/react/render-html-elements-to-the-dom.chinese.md
@@ -59,4 +59,5 @@ const JSX = (
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/react/render-react-on-the-server-with-rendertostring.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/react/render-react-on-the-server-with-rendertostring.chinese.md
index fbf3b0a5a7..174d4eaf1d 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/react/render-react-on-the-server-with-rendertostring.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/react/render-react-on-the-server-with-rendertostring.chinese.md
@@ -73,4 +73,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/react/render-state-in-the-user-interface-another-way.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/react/render-state-in-the-user-interface-another-way.chinese.md
index 43e496c2da..11dd28b9cb 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/react/render-state-in-the-user-interface-another-way.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/react/render-state-in-the-user-interface-another-way.chinese.md
@@ -80,4 +80,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/react/render-state-in-the-user-interface.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/react/render-state-in-the-user-interface.chinese.md
index a53591ea18..4a50285fcd 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/react/render-state-in-the-user-interface.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/react/render-state-in-the-user-interface.chinese.md
@@ -75,4 +75,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/react/render-with-an-if-else-condition.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/react/render-with-an-if-else-condition.chinese.md
index 8adac45d17..a5c3f9e61f 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/react/render-with-an-if-else-condition.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/react/render-with-an-if-else-condition.chinese.md
@@ -84,4 +84,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/react/review-using-props-with-stateless-functional-components.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/react/review-using-props-with-stateless-functional-components.chinese.md
index 1c2503e8e3..cf70097420 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/react/review-using-props-with-stateless-functional-components.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/react/review-using-props-with-stateless-functional-components.chinese.md
@@ -86,4 +86,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/react/set-state-with-this.setstate.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/react/set-state-with-this.setstate.chinese.md
index 91418feeae..bdb6fc4c60 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/react/set-state-with-this.setstate.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/react/set-state-with-this.setstate.chinese.md
@@ -82,4 +82,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/react/use--for-a-more-concise-conditional.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/react/use--for-a-more-concise-conditional.chinese.md
index c08bd5d6dc..d8a400e71c 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/react/use--for-a-more-concise-conditional.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/react/use--for-a-more-concise-conditional.chinese.md
@@ -83,4 +83,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/react/use-a-ternary-expression-for-conditional-rendering.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/react/use-a-ternary-expression-for-conditional-rendering.chinese.md
index d92096b5ec..4f2c562f7b 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/react/use-a-ternary-expression-for-conditional-rendering.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/react/use-a-ternary-expression-for-conditional-rendering.chinese.md
@@ -110,4 +110,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/react/use-advanced-javascript-in-react-render-method.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/react/use-advanced-javascript-in-react-render-method.chinese.md
index 0251c3fff7..bc1d62f40a 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/react/use-advanced-javascript-in-react-render-method.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/react/use-advanced-javascript-in-react-render-method.chinese.md
@@ -136,4 +136,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/react/use-array.filter-to-dynamically-filter-an-array.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/react/use-array.filter-to-dynamically-filter-an-array.chinese.md
index e7db1cb572..ad10ce2268 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/react/use-array.filter-to-dynamically-filter-an-array.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/react/use-array.filter-to-dynamically-filter-an-array.chinese.md
@@ -107,4 +107,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/react/use-array.map-to-dynamically-render-elements.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/react/use-array.map-to-dynamically-render-elements.chinese.md
index 0daf7d6a8a..1de16d961e 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/react/use-array.map-to-dynamically-render-elements.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/react/use-array.map-to-dynamically-render-elements.chinese.md
@@ -107,4 +107,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/react/use-default-props.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/react/use-default-props.chinese.md
index 5baf8b8f42..98ebab73ac 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/react/use-default-props.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/react/use-default-props.chinese.md
@@ -64,4 +64,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/react/use-proptypes-to-define-the-props-you-expect.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/react/use-proptypes-to-define-the-props-you-expect.chinese.md
index ae14b0c978..c0ef71e0f1 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/react/use-proptypes-to-define-the-props-you-expect.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/react/use-proptypes-to-define-the-props-you-expect.chinese.md
@@ -89,4 +89,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/react/use-react-to-render-nested-components.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/react/use-react-to-render-nested-components.chinese.md
index beaf246d0f..66b22f8b66 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/react/use-react-to-render-nested-components.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/react/use-react-to-render-nested-components.chinese.md
@@ -100,4 +100,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/react/use-state-to-toggle-an-element.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/react/use-state-to-toggle-an-element.chinese.md
index 39f34c3690..f293af92d2 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/react/use-state-to-toggle-an-element.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/react/use-state-to-toggle-an-element.chinese.md
@@ -88,4 +88,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/react/use-the-lifecycle-method-componentdidmount.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/react/use-the-lifecycle-method-componentdidmount.chinese.md
index 8215871a54..b6c4358ce8 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/react/use-the-lifecycle-method-componentdidmount.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/react/use-the-lifecycle-method-componentdidmount.chinese.md
@@ -80,4 +80,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/react/use-the-lifecycle-method-componentwillmount.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/react/use-the-lifecycle-method-componentwillmount.chinese.md
index 57c5363bd3..6c2aab0d8b 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/react/use-the-lifecycle-method-componentwillmount.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/react/use-the-lifecycle-method-componentwillmount.chinese.md
@@ -69,4 +69,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/react/write-a-react-component-from-scratch.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/react/write-a-react-component-from-scratch.chinese.md
index bde4832012..d057ce275a 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/react/write-a-react-component-from-scratch.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/react/write-a-react-component-from-scratch.chinese.md
@@ -51,4 +51,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/react/write-a-simple-counter.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/react/write-a-simple-counter.chinese.md
index 60fb359025..931fd7da8c 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/react/write-a-simple-counter.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/react/write-a-simple-counter.chinese.md
@@ -86,4 +86,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/redux/combine-multiple-reducers.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/redux/combine-multiple-reducers.chinese.md
index cf7ca6eca0..5fd5ee33f1 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/redux/combine-multiple-reducers.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/redux/combine-multiple-reducers.chinese.md
@@ -87,4 +87,5 @@ const store = Redux.createStore(rootReducer);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/redux/copy-an-object-with-object.assign.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/redux/copy-an-object-with-object.assign.chinese.md
index 67c50695e2..e28e5b1fc4 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/redux/copy-an-object-with-object.assign.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/redux/copy-an-object-with-object.assign.chinese.md
@@ -76,4 +76,5 @@ const store = Redux.createStore(immutableReducer);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/redux/create-a-redux-store.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/redux/create-a-redux-store.chinese.md
index 8f8d390bbf..82a094a58a 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/redux/create-a-redux-store.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/redux/create-a-redux-store.chinese.md
@@ -55,4 +55,5 @@ const reducer = (state = 5) => {
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/redux/define-a-redux-action.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/redux/define-a-redux-action.chinese.md
index 6c47bc2df6..ddf880d24b 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/redux/define-a-redux-action.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/redux/define-a-redux-action.chinese.md
@@ -49,4 +49,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/redux/define-an-action-creator.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/redux/define-an-action-creator.chinese.md
index 6501141d96..ce749d1c2e 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/redux/define-an-action-creator.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/redux/define-an-action-creator.chinese.md
@@ -54,4 +54,5 @@ const action = {
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/redux/dispatch-an-action-event.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/redux/dispatch-an-action-event.chinese.md
index 9a9fbb7129..75c4266bb9 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/redux/dispatch-an-action-event.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/redux/dispatch-an-action-event.chinese.md
@@ -61,4 +61,5 @@ const loginAction = () => {
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/redux/get-state-from-the-redux-store.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/redux/get-state-from-the-redux-store.chinese.md
index 07c18d2eff..44b6a0257e 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/redux/get-state-from-the-redux-store.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/redux/get-state-from-the-redux-store.chinese.md
@@ -53,4 +53,5 @@ const store = Redux.createStore(
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/redux/handle-an-action-in-the-store.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/redux/handle-an-action-in-the-store.chinese.md
index 3c7b7f63ae..e7cb70d0c0 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/redux/handle-an-action-in-the-store.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/redux/handle-an-action-in-the-store.chinese.md
@@ -69,4 +69,5 @@ const loginAction = () => {
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/redux/never-mutate-state.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/redux/never-mutate-state.chinese.md
index 73a06b81a9..2ad4d2823f 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/redux/never-mutate-state.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/redux/never-mutate-state.chinese.md
@@ -79,4 +79,5 @@ const store = Redux.createStore(immutableReducer);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/redux/register-a-store-listener.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/redux/register-a-store-listener.chinese.md
index bbadf6c617..55262d9f21 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/redux/register-a-store-listener.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/redux/register-a-store-listener.chinese.md
@@ -85,4 +85,5 @@ count = 0;
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/redux/remove-an-item-from-an-array.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/redux/remove-an-item-from-an-array.chinese.md
index 1750fb895b..7022486665 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/redux/remove-an-item-from-an-array.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/redux/remove-an-item-from-an-array.chinese.md
@@ -68,4 +68,5 @@ const store = Redux.createStore(immutableReducer);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/redux/send-action-data-to-the-store.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/redux/send-action-data-to-the-store.chinese.md
index d42c74a835..a0ebc3c313 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/redux/send-action-data-to-the-store.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/redux/send-action-data-to-the-store.chinese.md
@@ -71,4 +71,5 @@ console.log(store.getState());
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/redux/use-a-switch-statement-to-handle-multiple-actions.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/redux/use-a-switch-statement-to-handle-multiple-actions.chinese.md
index 78d2a1b88b..c61ece2f11 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/redux/use-a-switch-statement-to-handle-multiple-actions.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/redux/use-a-switch-statement-to-handle-multiple-actions.chinese.md
@@ -79,4 +79,5 @@ const logoutUser = () => {
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/redux/use-const-for-action-types.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/redux/use-const-for-action-types.chinese.md
index e6b3a8ce46..629934c85b 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/redux/use-const-for-action-types.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/redux/use-const-for-action-types.chinese.md
@@ -102,4 +102,5 @@ const logoutUser = () => {
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/redux/use-middleware-to-handle-asynchronous-actions.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/redux/use-middleware-to-handle-asynchronous-actions.chinese.md
index 12d2feb4d3..a38ac2096d 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/redux/use-middleware-to-handle-asynchronous-actions.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/redux/use-middleware-to-handle-asynchronous-actions.chinese.md
@@ -100,4 +100,5 @@ const store = Redux.createStore(
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/redux/use-the-spread-operator-on-arrays.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/redux/use-the-spread-operator-on-arrays.chinese.md
index 6fdb2da729..512bdfdee0 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/redux/use-the-spread-operator-on-arrays.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/redux/use-the-spread-operator-on-arrays.chinese.md
@@ -70,4 +70,5 @@ const store = Redux.createStore(immutableReducer);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/redux/write-a-counter-with-redux.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/redux/write-a-counter-with-redux.chinese.md
index 090a6ba5e2..8bb37a224e 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/redux/write-a-counter-with-redux.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/redux/write-a-counter-with-redux.chinese.md
@@ -66,4 +66,5 @@ const store = null; // define the Redux store here, passing in your reducers
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/sass/apply-a-style-until-a-condition-is-met-with-while.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/sass/apply-a-style-until-a-condition-is-met-with-while.chinese.md
index d84f2be566..e5a91edc12 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/sass/apply-a-style-until-a-condition-is-met-with-while.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/sass/apply-a-style-until-a-condition-is-met-with-while.chinese.md
@@ -85,4 +85,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/sass/create-reusable-css-with-mixins.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/sass/create-reusable-css-with-mixins.chinese.md
index f4b4095c0f..c99ce1a7f4 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/sass/create-reusable-css-with-mixins.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/sass/create-reusable-css-with-mixins.chinese.md
@@ -68,4 +68,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/sass/extend-one-set-of-css-styles-to-another-element.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/sass/extend-one-set-of-css-styles-to-another-element.chinese.md
index aa148f3d98..d5777539e4 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/sass/extend-one-set-of-css-styles-to-another-element.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/sass/extend-one-set-of-css-styles-to-another-element.chinese.md
@@ -69,4 +69,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/sass/nest-css-with-sass.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/sass/nest-css-with-sass.chinese.md
index 8d17197689..ef738d8021 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/sass/nest-css-with-sass.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/sass/nest-css-with-sass.chinese.md
@@ -62,4 +62,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/sass/split-your-styles-into-smaller-chunks-with-partials.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/sass/split-your-styles-into-smaller-chunks-with-partials.chinese.md
index bae5476a7b..03e42e8e1c 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/sass/split-your-styles-into-smaller-chunks-with-partials.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/sass/split-your-styles-into-smaller-chunks-with-partials.chinese.md
@@ -46,4 +46,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/sass/store-data-with-sass-variables.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/sass/store-data-with-sass-variables.chinese.md
index 45d42169b3..67b7c0739a 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/sass/store-data-with-sass-variables.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/sass/store-data-with-sass-variables.chinese.md
@@ -75,4 +75,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/sass/use-each-to-map-over-items-in-a-list.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/sass/use-each-to-map-over-items-in-a-list.chinese.md
index e3b76e61f2..794c760a88 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/sass/use-each-to-map-over-items-in-a-list.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/sass/use-each-to-map-over-items-in-a-list.chinese.md
@@ -64,4 +64,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/sass/use-for-to-create-a-sass-loop.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/sass/use-for-to-create-a-sass-loop.chinese.md
index 29b38d0c45..a4c87cbce6 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/sass/use-for-to-create-a-sass-loop.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/sass/use-for-to-create-a-sass-loop.chinese.md
@@ -66,4 +66,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/03-front-end-libraries/sass/use-if-and-else-to-add-logic-to-your-styles.chinese.md b/curriculum/challenges/chinese/03-front-end-libraries/sass/use-if-and-else-to-add-logic-to-your-styles.chinese.md
index d374b02e67..74177795b5 100644
--- a/curriculum/challenges/chinese/03-front-end-libraries/sass/use-if-and-else-to-add-logic-to-your-styles.chinese.md
+++ b/curriculum/challenges/chinese/03-front-end-libraries/sass/use-if-and-else-to-add-logic-to-your-styles.chinese.md
@@ -69,4 +69,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/04-data-visualization/data-visualization-projects/visualize-data-with-a-bar-chart.chinese.md b/curriculum/challenges/chinese/04-data-visualization/data-visualization-projects/visualize-data-with-a-bar-chart.chinese.md
index c74da3534e..ee741eae73 100644
--- a/curriculum/challenges/chinese/04-data-visualization/data-visualization-projects/visualize-data-with-a-bar-chart.chinese.md
+++ b/curriculum/challenges/chinese/04-data-visualization/data-visualization-projects/visualize-data-with-a-bar-chart.chinese.md
@@ -35,4 +35,5 @@ tests: []
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/04-data-visualization/data-visualization-projects/visualize-data-with-a-choropleth-map.chinese.md b/curriculum/challenges/chinese/04-data-visualization/data-visualization-projects/visualize-data-with-a-choropleth-map.chinese.md
index 0a7fa28c1f..e3daf903a1 100644
--- a/curriculum/challenges/chinese/04-data-visualization/data-visualization-projects/visualize-data-with-a-choropleth-map.chinese.md
+++ b/curriculum/challenges/chinese/04-data-visualization/data-visualization-projects/visualize-data-with-a-choropleth-map.chinese.md
@@ -35,4 +35,5 @@ tests: []
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/04-data-visualization/data-visualization-projects/visualize-data-with-a-heat-map.chinese.md b/curriculum/challenges/chinese/04-data-visualization/data-visualization-projects/visualize-data-with-a-heat-map.chinese.md
index 7c195cc344..6a65ece970 100644
--- a/curriculum/challenges/chinese/04-data-visualization/data-visualization-projects/visualize-data-with-a-heat-map.chinese.md
+++ b/curriculum/challenges/chinese/04-data-visualization/data-visualization-projects/visualize-data-with-a-heat-map.chinese.md
@@ -35,4 +35,5 @@ tests: []
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/04-data-visualization/data-visualization-projects/visualize-data-with-a-scatterplot-graph.chinese.md b/curriculum/challenges/chinese/04-data-visualization/data-visualization-projects/visualize-data-with-a-scatterplot-graph.chinese.md
index 63e9ebef8b..80e76dc8ca 100644
--- a/curriculum/challenges/chinese/04-data-visualization/data-visualization-projects/visualize-data-with-a-scatterplot-graph.chinese.md
+++ b/curriculum/challenges/chinese/04-data-visualization/data-visualization-projects/visualize-data-with-a-scatterplot-graph.chinese.md
@@ -35,4 +35,5 @@ tests: []
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/04-data-visualization/data-visualization-projects/visualize-data-with-a-treemap-diagram.chinese.md b/curriculum/challenges/chinese/04-data-visualization/data-visualization-projects/visualize-data-with-a-treemap-diagram.chinese.md
index 3c3f343515..f50154a31c 100644
--- a/curriculum/challenges/chinese/04-data-visualization/data-visualization-projects/visualize-data-with-a-treemap-diagram.chinese.md
+++ b/curriculum/challenges/chinese/04-data-visualization/data-visualization-projects/visualize-data-with-a-treemap-diagram.chinese.md
@@ -35,4 +35,5 @@ tests: []
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/add-a-hover-effect-to-a-d3-element.chinese.md b/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/add-a-hover-effect-to-a-d3-element.chinese.md
index f864429d94..328fa3624f 100644
--- a/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/add-a-hover-effect-to-a-d3-element.chinese.md
+++ b/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/add-a-hover-effect-to-a-d3-element.chinese.md
@@ -87,4 +87,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/add-a-tooltip-to-a-d3-element.chinese.md b/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/add-a-tooltip-to-a-d3-element.chinese.md
index 30b5189b39..5661f40c8a 100644
--- a/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/add-a-tooltip-to-a-d3-element.chinese.md
+++ b/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/add-a-tooltip-to-a-d3-element.chinese.md
@@ -106,4 +106,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/add-attributes-to-the-circle-elements.chinese.md b/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/add-attributes-to-the-circle-elements.chinese.md
index e066a49cfa..d361f027b1 100644
--- a/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/add-attributes-to-the-circle-elements.chinese.md
+++ b/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/add-attributes-to-the-circle-elements.chinese.md
@@ -101,4 +101,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/add-axes-to-a-visualization.chinese.md b/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/add-axes-to-a-visualization.chinese.md
index ec9d252170..0534b5a217 100644
--- a/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/add-axes-to-a-visualization.chinese.md
+++ b/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/add-axes-to-a-visualization.chinese.md
@@ -114,4 +114,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/add-classes-with-d3.chinese.md b/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/add-classes-with-d3.chinese.md
index adffd6b51f..d8817dd93b 100644
--- a/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/add-classes-with-d3.chinese.md
+++ b/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/add-classes-with-d3.chinese.md
@@ -70,4 +70,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/add-document-elements-with-d3.chinese.md b/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/add-document-elements-with-d3.chinese.md
index 82c7d7096b..e82eda1144 100644
--- a/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/add-document-elements-with-d3.chinese.md
+++ b/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/add-document-elements-with-d3.chinese.md
@@ -64,4 +64,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/add-inline-styling-to-elements.chinese.md b/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/add-inline-styling-to-elements.chinese.md
index 1a513cd7ab..0ae497aa8f 100644
--- a/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/add-inline-styling-to-elements.chinese.md
+++ b/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/add-inline-styling-to-elements.chinese.md
@@ -63,4 +63,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/add-labels-to-d3-elements.chinese.md b/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/add-labels-to-d3-elements.chinese.md
index 142318f85c..56e1034967 100644
--- a/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/add-labels-to-d3-elements.chinese.md
+++ b/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/add-labels-to-d3-elements.chinese.md
@@ -94,4 +94,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/add-labels-to-scatter-plot-circles.chinese.md b/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/add-labels-to-scatter-plot-circles.chinese.md
index 8899e8b9f9..7838b1c887 100644
--- a/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/add-labels-to-scatter-plot-circles.chinese.md
+++ b/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/add-labels-to-scatter-plot-circles.chinese.md
@@ -108,4 +108,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/change-styles-based-on-data.chinese.md b/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/change-styles-based-on-data.chinese.md
index eee9a10f80..99f63573bc 100644
--- a/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/change-styles-based-on-data.chinese.md
+++ b/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/change-styles-based-on-data.chinese.md
@@ -77,4 +77,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/change-the-color-of-an-svg-element.chinese.md b/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/change-the-color-of-an-svg-element.chinese.md
index 9de9884156..c8d65de4a1 100644
--- a/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/change-the-color-of-an-svg-element.chinese.md
+++ b/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/change-the-color-of-an-svg-element.chinese.md
@@ -72,4 +72,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/change-the-presentation-of-a-bar-chart.chinese.md b/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/change-the-presentation-of-a-bar-chart.chinese.md
index 156ab1a966..478add552b 100644
--- a/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/change-the-presentation-of-a-bar-chart.chinese.md
+++ b/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/change-the-presentation-of-a-bar-chart.chinese.md
@@ -87,4 +87,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/create-a-bar-for-each-data-point-in-the-set.chinese.md b/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/create-a-bar-for-each-data-point-in-the-set.chinese.md
index 4d9ceeca11..683409aac3 100644
--- a/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/create-a-bar-for-each-data-point-in-the-set.chinese.md
+++ b/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/create-a-bar-for-each-data-point-in-the-set.chinese.md
@@ -75,4 +75,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/create-a-linear-scale-with-d3.chinese.md b/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/create-a-linear-scale-with-d3.chinese.md
index 5ed27c97d4..7fbdcc82e0 100644
--- a/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/create-a-linear-scale-with-d3.chinese.md
+++ b/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/create-a-linear-scale-with-d3.chinese.md
@@ -64,4 +64,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/create-a-scatterplot-with-svg-circles.chinese.md b/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/create-a-scatterplot-with-svg-circles.chinese.md
index 28b77f7bf8..514294ee55 100644
--- a/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/create-a-scatterplot-with-svg-circles.chinese.md
+++ b/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/create-a-scatterplot-with-svg-circles.chinese.md
@@ -78,4 +78,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/display-shapes-with-svg.chinese.md b/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/display-shapes-with-svg.chinese.md
index e025284f1a..8a0bf40ecc 100644
--- a/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/display-shapes-with-svg.chinese.md
+++ b/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/display-shapes-with-svg.chinese.md
@@ -71,4 +71,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/dynamically-change-the-height-of-each-bar.chinese.md b/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/dynamically-change-the-height-of-each-bar.chinese.md
index 954aca818d..d6a6538f04 100644
--- a/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/dynamically-change-the-height-of-each-bar.chinese.md
+++ b/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/dynamically-change-the-height-of-each-bar.chinese.md
@@ -89,4 +89,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/dynamically-set-the-coordinates-for-each-bar.chinese.md b/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/dynamically-set-the-coordinates-for-each-bar.chinese.md
index a4311179fe..e67e07f7c4 100644
--- a/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/dynamically-set-the-coordinates-for-each-bar.chinese.md
+++ b/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/dynamically-set-the-coordinates-for-each-bar.chinese.md
@@ -89,4 +89,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/invert-svg-elements.chinese.md b/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/invert-svg-elements.chinese.md
index 95a0590af1..6cba2a1625 100644
--- a/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/invert-svg-elements.chinese.md
+++ b/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/invert-svg-elements.chinese.md
@@ -95,4 +95,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/learn-about-svg-in-d3.chinese.md b/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/learn-about-svg-in-d3.chinese.md
index c4f7cad59f..0027859f93 100644
--- a/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/learn-about-svg-in-d3.chinese.md
+++ b/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/learn-about-svg-in-d3.chinese.md
@@ -69,4 +69,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/select-a-group-of-elements-with-d3.chinese.md b/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/select-a-group-of-elements-with-d3.chinese.md
index 073a06b25d..9ce7fccbff 100644
--- a/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/select-a-group-of-elements-with-d3.chinese.md
+++ b/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/select-a-group-of-elements-with-d3.chinese.md
@@ -63,4 +63,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/set-a-domain-and-a-range-on-a-scale.chinese.md b/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/set-a-domain-and-a-range-on-a-scale.chinese.md
index 9e9b5c6d5a..4df337ad6e 100644
--- a/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/set-a-domain-and-a-range-on-a-scale.chinese.md
+++ b/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/set-a-domain-and-a-range-on-a-scale.chinese.md
@@ -67,4 +67,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/style-d3-labels.chinese.md b/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/style-d3-labels.chinese.md
index 164975ede5..5b3bc1dcd2 100644
--- a/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/style-d3-labels.chinese.md
+++ b/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/style-d3-labels.chinese.md
@@ -83,4 +83,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/update-the-height-of-an-element-dynamically.chinese.md b/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/update-the-height-of-an-element-dynamically.chinese.md
index 47f9e4feb8..c8960c6d99 100644
--- a/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/update-the-height-of-an-element-dynamically.chinese.md
+++ b/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/update-the-height-of-an-element-dynamically.chinese.md
@@ -85,4 +85,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/use-a-pre-defined-scale-to-place-elements.chinese.md b/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/use-a-pre-defined-scale-to-place-elements.chinese.md
index 2805e91a7b..a76f7ea467 100644
--- a/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/use-a-pre-defined-scale-to-place-elements.chinese.md
+++ b/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/use-a-pre-defined-scale-to-place-elements.chinese.md
@@ -142,4 +142,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/use-dynamic-scales.chinese.md b/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/use-dynamic-scales.chinese.md
index ec5db99485..2cf338c08b 100644
--- a/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/use-dynamic-scales.chinese.md
+++ b/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/use-dynamic-scales.chinese.md
@@ -89,4 +89,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/use-the-d3.max-and-d3.min-functions-to-find-minimum-and-maximum-values-in-a-dataset.chinese.md b/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/use-the-d3.max-and-d3.min-functions-to-find-minimum-and-maximum-values-in-a-dataset.chinese.md
index 1bcae548cb..8bf8acbe95 100644
--- a/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/use-the-d3.max-and-d3.min-functions-to-find-minimum-and-maximum-values-in-a-dataset.chinese.md
+++ b/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/use-the-d3.max-and-d3.min-functions-to-find-minimum-and-maximum-values-in-a-dataset.chinese.md
@@ -61,4 +61,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/work-with-data-in-d3.chinese.md b/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/work-with-data-in-d3.chinese.md
index 7d2faa9657..fd391f60e8 100644
--- a/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/work-with-data-in-d3.chinese.md
+++ b/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/work-with-data-in-d3.chinese.md
@@ -62,4 +62,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/work-with-dynamic-data-in-d3.chinese.md b/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/work-with-dynamic-data-in-d3.chinese.md
index f25f880ef2..e4b293fc10 100644
--- a/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/work-with-dynamic-data-in-d3.chinese.md
+++ b/curriculum/challenges/chinese/04-data-visualization/data-visualization-with-d3/work-with-dynamic-data-in-d3.chinese.md
@@ -76,4 +76,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/04-data-visualization/json-apis-and-ajax/access-the-json-data-from-an-api.chinese.md b/curriculum/challenges/chinese/04-data-visualization/json-apis-and-ajax/access-the-json-data-from-an-api.chinese.md
index f5f9b3efb7..2648c72658 100644
--- a/curriculum/challenges/chinese/04-data-visualization/json-apis-and-ajax/access-the-json-data-from-an-api.chinese.md
+++ b/curriculum/challenges/chinese/04-data-visualization/json-apis-and-ajax/access-the-json-data-from-an-api.chinese.md
@@ -97,4 +97,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/04-data-visualization/json-apis-and-ajax/change-text-with-click-events.chinese.md b/curriculum/challenges/chinese/04-data-visualization/json-apis-and-ajax/change-text-with-click-events.chinese.md
index 178764bb94..b03c95394d 100644
--- a/curriculum/challenges/chinese/04-data-visualization/json-apis-and-ajax/change-text-with-click-events.chinese.md
+++ b/curriculum/challenges/chinese/04-data-visualization/json-apis-and-ajax/change-text-with-click-events.chinese.md
@@ -90,4 +90,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/04-data-visualization/json-apis-and-ajax/convert-json-data-to-html.chinese.md b/curriculum/challenges/chinese/04-data-visualization/json-apis-and-ajax/convert-json-data-to-html.chinese.md
index 0dd7531af8..41c065258b 100644
--- a/curriculum/challenges/chinese/04-data-visualization/json-apis-and-ajax/convert-json-data-to-html.chinese.md
+++ b/curriculum/challenges/chinese/04-data-visualization/json-apis-and-ajax/convert-json-data-to-html.chinese.md
@@ -103,4 +103,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/04-data-visualization/json-apis-and-ajax/get-geolocation-data-to-find-a-users-gps-coordinates.chinese.md b/curriculum/challenges/chinese/04-data-visualization/json-apis-and-ajax/get-geolocation-data-to-find-a-users-gps-coordinates.chinese.md
index dce3d9c0ff..f018bf451a 100644
--- a/curriculum/challenges/chinese/04-data-visualization/json-apis-and-ajax/get-geolocation-data-to-find-a-users-gps-coordinates.chinese.md
+++ b/curriculum/challenges/chinese/04-data-visualization/json-apis-and-ajax/get-geolocation-data-to-find-a-users-gps-coordinates.chinese.md
@@ -61,4 +61,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/04-data-visualization/json-apis-and-ajax/get-json-with-the-javascript-xmlhttprequest-method.chinese.md b/curriculum/challenges/chinese/04-data-visualization/json-apis-and-ajax/get-json-with-the-javascript-xmlhttprequest-method.chinese.md
index 219baacdd4..971f6e6706 100644
--- a/curriculum/challenges/chinese/04-data-visualization/json-apis-and-ajax/get-json-with-the-javascript-xmlhttprequest-method.chinese.md
+++ b/curriculum/challenges/chinese/04-data-visualization/json-apis-and-ajax/get-json-with-the-javascript-xmlhttprequest-method.chinese.md
@@ -100,4 +100,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/04-data-visualization/json-apis-and-ajax/handle-click-events-with-javascript-using-the-onclick-property.chinese.md b/curriculum/challenges/chinese/04-data-visualization/json-apis-and-ajax/handle-click-events-with-javascript-using-the-onclick-property.chinese.md
index 57e8be306d..f775b3ceff 100644
--- a/curriculum/challenges/chinese/04-data-visualization/json-apis-and-ajax/handle-click-events-with-javascript-using-the-onclick-property.chinese.md
+++ b/curriculum/challenges/chinese/04-data-visualization/json-apis-and-ajax/handle-click-events-with-javascript-using-the-onclick-property.chinese.md
@@ -90,4 +90,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/04-data-visualization/json-apis-and-ajax/post-data-with-the-javascript-xmlhttprequest-method.chinese.md b/curriculum/challenges/chinese/04-data-visualization/json-apis-and-ajax/post-data-with-the-javascript-xmlhttprequest-method.chinese.md
index 733e057be8..c4a8ecbf24 100644
--- a/curriculum/challenges/chinese/04-data-visualization/json-apis-and-ajax/post-data-with-the-javascript-xmlhttprequest-method.chinese.md
+++ b/curriculum/challenges/chinese/04-data-visualization/json-apis-and-ajax/post-data-with-the-javascript-xmlhttprequest-method.chinese.md
@@ -105,4 +105,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/04-data-visualization/json-apis-and-ajax/pre-filter-json-to-get-the-data-you-need.chinese.md b/curriculum/challenges/chinese/04-data-visualization/json-apis-and-ajax/pre-filter-json-to-get-the-data-you-need.chinese.md
index 52fce6e8ef..38dfbd157b 100644
--- a/curriculum/challenges/chinese/04-data-visualization/json-apis-and-ajax/pre-filter-json-to-get-the-data-you-need.chinese.md
+++ b/curriculum/challenges/chinese/04-data-visualization/json-apis-and-ajax/pre-filter-json-to-get-the-data-you-need.chinese.md
@@ -105,4 +105,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/04-data-visualization/json-apis-and-ajax/render-images-from-data-sources.chinese.md b/curriculum/challenges/chinese/04-data-visualization/json-apis-and-ajax/render-images-from-data-sources.chinese.md
index ad2ec622b2..a377b8141c 100644
--- a/curriculum/challenges/chinese/04-data-visualization/json-apis-and-ajax/render-images-from-data-sources.chinese.md
+++ b/curriculum/challenges/chinese/04-data-visualization/json-apis-and-ajax/render-images-from-data-sources.chinese.md
@@ -102,4 +102,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/05-apis-and-microservices/apis-and-microservices-projects/exercise-tracker.chinese.md b/curriculum/challenges/chinese/05-apis-and-microservices/apis-and-microservices-projects/exercise-tracker.chinese.md
index fa735382c1..7f02b4a71c 100644
--- a/curriculum/challenges/chinese/05-apis-and-microservices/apis-and-microservices-projects/exercise-tracker.chinese.md
+++ b/curriculum/challenges/chinese/05-apis-and-microservices/apis-and-microservices-projects/exercise-tracker.chinese.md
@@ -46,4 +46,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/05-apis-and-microservices/apis-and-microservices-projects/file-metadata-microservice.chinese.md b/curriculum/challenges/chinese/05-apis-and-microservices/apis-and-microservices-projects/file-metadata-microservice.chinese.md
index cb3eb35277..3809fe587b 100644
--- a/curriculum/challenges/chinese/05-apis-and-microservices/apis-and-microservices-projects/file-metadata-microservice.chinese.md
+++ b/curriculum/challenges/chinese/05-apis-and-microservices/apis-and-microservices-projects/file-metadata-microservice.chinese.md
@@ -40,4 +40,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/05-apis-and-microservices/apis-and-microservices-projects/request-header-parser-microservice.chinese.md b/curriculum/challenges/chinese/05-apis-and-microservices/apis-and-microservices-projects/request-header-parser-microservice.chinese.md
index 8a816579ed..6d7144ba7a 100644
--- a/curriculum/challenges/chinese/05-apis-and-microservices/apis-and-microservices-projects/request-header-parser-microservice.chinese.md
+++ b/curriculum/challenges/chinese/05-apis-and-microservices/apis-and-microservices-projects/request-header-parser-microservice.chinese.md
@@ -38,4 +38,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/05-apis-and-microservices/apis-and-microservices-projects/timestamp-microservice.chinese.md b/curriculum/challenges/chinese/05-apis-and-microservices/apis-and-microservices-projects/timestamp-microservice.chinese.md
index 447931a017..9f80acfa3f 100644
--- a/curriculum/challenges/chinese/05-apis-and-microservices/apis-and-microservices-projects/timestamp-microservice.chinese.md
+++ b/curriculum/challenges/chinese/05-apis-and-microservices/apis-and-microservices-projects/timestamp-microservice.chinese.md
@@ -48,4 +48,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/05-apis-and-microservices/apis-and-microservices-projects/url-shortener-microservice.chinese.md b/curriculum/challenges/chinese/05-apis-and-microservices/apis-and-microservices-projects/url-shortener-microservice.chinese.md
index e5f7260266..00fac44944 100644
--- a/curriculum/challenges/chinese/05-apis-and-microservices/apis-and-microservices-projects/url-shortener-microservice.chinese.md
+++ b/curriculum/challenges/chinese/05-apis-and-microservices/apis-and-microservices-projects/url-shortener-microservice.chinese.md
@@ -42,4 +42,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/05-apis-and-microservices/basic-node-and-express/chain-middleware-to-create-a-time-server.chinese.md b/curriculum/challenges/chinese/05-apis-and-microservices/basic-node-and-express/chain-middleware-to-create-a-time-server.chinese.md
index dc2cbb94ae..0ea51166f4 100644
--- a/curriculum/challenges/chinese/05-apis-and-microservices/basic-node-and-express/chain-middleware-to-create-a-time-server.chinese.md
+++ b/curriculum/challenges/chinese/05-apis-and-microservices/basic-node-and-express/chain-middleware-to-create-a-time-server.chinese.md
@@ -40,4 +40,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/05-apis-and-microservices/basic-node-and-express/get-data-from-post-requests.chinese.md b/curriculum/challenges/chinese/05-apis-and-microservices/basic-node-and-express/get-data-from-post-requests.chinese.md
index ba858b2d60..2878a96b42 100644
--- a/curriculum/challenges/chinese/05-apis-and-microservices/basic-node-and-express/get-data-from-post-requests.chinese.md
+++ b/curriculum/challenges/chinese/05-apis-and-microservices/basic-node-and-express/get-data-from-post-requests.chinese.md
@@ -44,4 +44,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/05-apis-and-microservices/basic-node-and-express/get-query-parameter-input-from-the-client.chinese.md b/curriculum/challenges/chinese/05-apis-and-microservices/basic-node-and-express/get-query-parameter-input-from-the-client.chinese.md
index 845e25dd8a..c890c9e6b4 100644
--- a/curriculum/challenges/chinese/05-apis-and-microservices/basic-node-and-express/get-query-parameter-input-from-the-client.chinese.md
+++ b/curriculum/challenges/chinese/05-apis-and-microservices/basic-node-and-express/get-query-parameter-input-from-the-client.chinese.md
@@ -40,4 +40,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/05-apis-and-microservices/basic-node-and-express/get-route-parameter-input-from-the-client.chinese.md b/curriculum/challenges/chinese/05-apis-and-microservices/basic-node-and-express/get-route-parameter-input-from-the-client.chinese.md
index 0c2159db13..d8457c168b 100644
--- a/curriculum/challenges/chinese/05-apis-and-microservices/basic-node-and-express/get-route-parameter-input-from-the-client.chinese.md
+++ b/curriculum/challenges/chinese/05-apis-and-microservices/basic-node-and-express/get-route-parameter-input-from-the-client.chinese.md
@@ -40,4 +40,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/05-apis-and-microservices/basic-node-and-express/implement-a-root-level-request-logger-middleware.chinese.md b/curriculum/challenges/chinese/05-apis-and-microservices/basic-node-and-express/implement-a-root-level-request-logger-middleware.chinese.md
index 0c5539b9a8..702bd3e0b8 100644
--- a/curriculum/challenges/chinese/05-apis-and-microservices/basic-node-and-express/implement-a-root-level-request-logger-middleware.chinese.md
+++ b/curriculum/challenges/chinese/05-apis-and-microservices/basic-node-and-express/implement-a-root-level-request-logger-middleware.chinese.md
@@ -38,4 +38,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/05-apis-and-microservices/basic-node-and-express/meet-the-node-console.chinese.md b/curriculum/challenges/chinese/05-apis-and-microservices/basic-node-and-express/meet-the-node-console.chinese.md
index a713133844..e4a016531a 100644
--- a/curriculum/challenges/chinese/05-apis-and-microservices/basic-node-and-express/meet-the-node-console.chinese.md
+++ b/curriculum/challenges/chinese/05-apis-and-microservices/basic-node-and-express/meet-the-node-console.chinese.md
@@ -36,4 +36,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/05-apis-and-microservices/basic-node-and-express/serve-an-html-file.chinese.md b/curriculum/challenges/chinese/05-apis-and-microservices/basic-node-and-express/serve-an-html-file.chinese.md
index 72d9441483..c843a458e6 100644
--- a/curriculum/challenges/chinese/05-apis-and-microservices/basic-node-and-express/serve-an-html-file.chinese.md
+++ b/curriculum/challenges/chinese/05-apis-and-microservices/basic-node-and-express/serve-an-html-file.chinese.md
@@ -44,4 +44,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/05-apis-and-microservices/basic-node-and-express/serve-json-on-a-specific-route.chinese.md b/curriculum/challenges/chinese/05-apis-and-microservices/basic-node-and-express/serve-json-on-a-specific-route.chinese.md
index e27c6c19d1..eee3e14c6e 100644
--- a/curriculum/challenges/chinese/05-apis-and-microservices/basic-node-and-express/serve-json-on-a-specific-route.chinese.md
+++ b/curriculum/challenges/chinese/05-apis-and-microservices/basic-node-and-express/serve-json-on-a-specific-route.chinese.md
@@ -37,4 +37,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/05-apis-and-microservices/basic-node-and-express/serve-static-assets.chinese.md b/curriculum/challenges/chinese/05-apis-and-microservices/basic-node-and-express/serve-static-assets.chinese.md
index 2a24e416b0..ce7e1a5f7e 100644
--- a/curriculum/challenges/chinese/05-apis-and-microservices/basic-node-and-express/serve-static-assets.chinese.md
+++ b/curriculum/challenges/chinese/05-apis-and-microservices/basic-node-and-express/serve-static-assets.chinese.md
@@ -38,4 +38,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/05-apis-and-microservices/basic-node-and-express/start-a-working-express-server.chinese.md b/curriculum/challenges/chinese/05-apis-and-microservices/basic-node-and-express/start-a-working-express-server.chinese.md
index 8a90715b1d..a5ed8a74d6 100644
--- a/curriculum/challenges/chinese/05-apis-and-microservices/basic-node-and-express/start-a-working-express-server.chinese.md
+++ b/curriculum/challenges/chinese/05-apis-and-microservices/basic-node-and-express/start-a-working-express-server.chinese.md
@@ -38,4 +38,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/05-apis-and-microservices/basic-node-and-express/use-body-parser-to-parse-post-requests.chinese.md b/curriculum/challenges/chinese/05-apis-and-microservices/basic-node-and-express/use-body-parser-to-parse-post-requests.chinese.md
index 23684b43cb..22c8dda94a 100644
--- a/curriculum/challenges/chinese/05-apis-and-microservices/basic-node-and-express/use-body-parser-to-parse-post-requests.chinese.md
+++ b/curriculum/challenges/chinese/05-apis-and-microservices/basic-node-and-express/use-body-parser-to-parse-post-requests.chinese.md
@@ -39,4 +39,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/05-apis-and-microservices/basic-node-and-express/use-the-.env-file.chinese.md b/curriculum/challenges/chinese/05-apis-and-microservices/basic-node-and-express/use-the-.env-file.chinese.md
index c8ceecff9d..a93b5d76f3 100644
--- a/curriculum/challenges/chinese/05-apis-and-microservices/basic-node-and-express/use-the-.env-file.chinese.md
+++ b/curriculum/challenges/chinese/05-apis-and-microservices/basic-node-and-express/use-the-.env-file.chinese.md
@@ -38,4 +38,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/05-apis-and-microservices/managing-packages-with-npm/add-a-description-to-your-package.json.chinese.md b/curriculum/challenges/chinese/05-apis-and-microservices/managing-packages-with-npm/add-a-description-to-your-package.json.chinese.md
index b132aaaa2a..faf371ce41 100644
--- a/curriculum/challenges/chinese/05-apis-and-microservices/managing-packages-with-npm/add-a-description-to-your-package.json.chinese.md
+++ b/curriculum/challenges/chinese/05-apis-and-microservices/managing-packages-with-npm/add-a-description-to-your-package.json.chinese.md
@@ -38,4 +38,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/05-apis-and-microservices/managing-packages-with-npm/add-a-license-to-your-package.json.chinese.md b/curriculum/challenges/chinese/05-apis-and-microservices/managing-packages-with-npm/add-a-license-to-your-package.json.chinese.md
index 98a225183e..f71c33e5ec 100644
--- a/curriculum/challenges/chinese/05-apis-and-microservices/managing-packages-with-npm/add-a-license-to-your-package.json.chinese.md
+++ b/curriculum/challenges/chinese/05-apis-and-microservices/managing-packages-with-npm/add-a-license-to-your-package.json.chinese.md
@@ -38,4 +38,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/05-apis-and-microservices/managing-packages-with-npm/add-a-version-to-your-package.json.chinese.md b/curriculum/challenges/chinese/05-apis-and-microservices/managing-packages-with-npm/add-a-version-to-your-package.json.chinese.md
index 759009aaf3..1fbc1550fe 100644
--- a/curriculum/challenges/chinese/05-apis-and-microservices/managing-packages-with-npm/add-a-version-to-your-package.json.chinese.md
+++ b/curriculum/challenges/chinese/05-apis-and-microservices/managing-packages-with-npm/add-a-version-to-your-package.json.chinese.md
@@ -38,4 +38,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/05-apis-and-microservices/managing-packages-with-npm/add-keywords-to-your-package.json.chinese.md b/curriculum/challenges/chinese/05-apis-and-microservices/managing-packages-with-npm/add-keywords-to-your-package.json.chinese.md
index 98f00f80b6..113bee0e7d 100644
--- a/curriculum/challenges/chinese/05-apis-and-microservices/managing-packages-with-npm/add-keywords-to-your-package.json.chinese.md
+++ b/curriculum/challenges/chinese/05-apis-and-microservices/managing-packages-with-npm/add-keywords-to-your-package.json.chinese.md
@@ -43,4 +43,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/05-apis-and-microservices/managing-packages-with-npm/expand-your-project-with-external-packages-from-npm.chinese.md b/curriculum/challenges/chinese/05-apis-and-microservices/managing-packages-with-npm/expand-your-project-with-external-packages-from-npm.chinese.md
index 9c732af05c..4361c3c70f 100644
--- a/curriculum/challenges/chinese/05-apis-and-microservices/managing-packages-with-npm/expand-your-project-with-external-packages-from-npm.chinese.md
+++ b/curriculum/challenges/chinese/05-apis-and-microservices/managing-packages-with-npm/expand-your-project-with-external-packages-from-npm.chinese.md
@@ -44,4 +44,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/05-apis-and-microservices/managing-packages-with-npm/how-to-use-package.json-the-core-of-any-node.js-project-or-npm-package.chinese.md b/curriculum/challenges/chinese/05-apis-and-microservices/managing-packages-with-npm/how-to-use-package.json-the-core-of-any-node.js-project-or-npm-package.chinese.md
index 5141f6b565..e3bdd6a203 100644
--- a/curriculum/challenges/chinese/05-apis-and-microservices/managing-packages-with-npm/how-to-use-package.json-the-core-of-any-node.js-project-or-npm-package.chinese.md
+++ b/curriculum/challenges/chinese/05-apis-and-microservices/managing-packages-with-npm/how-to-use-package.json-the-core-of-any-node.js-project-or-npm-package.chinese.md
@@ -38,4 +38,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/05-apis-and-microservices/managing-packages-with-npm/manage-npm-dependencies-by-understanding-semantic-versioning.chinese.md b/curriculum/challenges/chinese/05-apis-and-microservices/managing-packages-with-npm/manage-npm-dependencies-by-understanding-semantic-versioning.chinese.md
index 6a644cbd7f..4d45123ca1 100644
--- a/curriculum/challenges/chinese/05-apis-and-microservices/managing-packages-with-npm/manage-npm-dependencies-by-understanding-semantic-versioning.chinese.md
+++ b/curriculum/challenges/chinese/05-apis-and-microservices/managing-packages-with-npm/manage-npm-dependencies-by-understanding-semantic-versioning.chinese.md
@@ -44,4 +44,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/05-apis-and-microservices/managing-packages-with-npm/remove-a-package-from-your-dependencies.chinese.md b/curriculum/challenges/chinese/05-apis-and-microservices/managing-packages-with-npm/remove-a-package-from-your-dependencies.chinese.md
index 1d76573908..4e283d4e3d 100644
--- a/curriculum/challenges/chinese/05-apis-and-microservices/managing-packages-with-npm/remove-a-package-from-your-dependencies.chinese.md
+++ b/curriculum/challenges/chinese/05-apis-and-microservices/managing-packages-with-npm/remove-a-package-from-your-dependencies.chinese.md
@@ -37,4 +37,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/05-apis-and-microservices/managing-packages-with-npm/use-the-caret-character-to-use-the-latest-minor-version-of-a-dependency.chinese.md b/curriculum/challenges/chinese/05-apis-and-microservices/managing-packages-with-npm/use-the-caret-character-to-use-the-latest-minor-version-of-a-dependency.chinese.md
index 735db258f1..e9b0507682 100644
--- a/curriculum/challenges/chinese/05-apis-and-microservices/managing-packages-with-npm/use-the-caret-character-to-use-the-latest-minor-version-of-a-dependency.chinese.md
+++ b/curriculum/challenges/chinese/05-apis-and-microservices/managing-packages-with-npm/use-the-caret-character-to-use-the-latest-minor-version-of-a-dependency.chinese.md
@@ -40,4 +40,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/05-apis-and-microservices/managing-packages-with-npm/use-the-tilde-character-to-always-use-the-latest-patch-version-of-a-dependency.chinese.md b/curriculum/challenges/chinese/05-apis-and-microservices/managing-packages-with-npm/use-the-tilde-character-to-always-use-the-latest-patch-version-of-a-dependency.chinese.md
index 53564db4fa..4fa7b79975 100644
--- a/curriculum/challenges/chinese/05-apis-and-microservices/managing-packages-with-npm/use-the-tilde-character-to-always-use-the-latest-patch-version-of-a-dependency.chinese.md
+++ b/curriculum/challenges/chinese/05-apis-and-microservices/managing-packages-with-npm/use-the-tilde-character-to-always-use-the-latest-patch-version-of-a-dependency.chinese.md
@@ -40,4 +40,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/05-apis-and-microservices/mongodb-and-mongoose/chain-search-query-helpers-to-narrow-search-results.chinese.md b/curriculum/challenges/chinese/05-apis-and-microservices/mongodb-and-mongoose/chain-search-query-helpers-to-narrow-search-results.chinese.md
index e925a9a36f..2133bfdc83 100644
--- a/curriculum/challenges/chinese/05-apis-and-microservices/mongodb-and-mongoose/chain-search-query-helpers-to-narrow-search-results.chinese.md
+++ b/curriculum/challenges/chinese/05-apis-and-microservices/mongodb-and-mongoose/chain-search-query-helpers-to-narrow-search-results.chinese.md
@@ -37,4 +37,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/05-apis-and-microservices/mongodb-and-mongoose/create-a-model.chinese.md b/curriculum/challenges/chinese/05-apis-and-microservices/mongodb-and-mongoose/create-a-model.chinese.md
index bff0e979a5..98bc41c8c1 100644
--- a/curriculum/challenges/chinese/05-apis-and-microservices/mongodb-and-mongoose/create-a-model.chinese.md
+++ b/curriculum/challenges/chinese/05-apis-and-microservices/mongodb-and-mongoose/create-a-model.chinese.md
@@ -49,4 +49,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/05-apis-and-microservices/mongodb-and-mongoose/create-and-save-a-record-of-a-model.chinese.md b/curriculum/challenges/chinese/05-apis-and-microservices/mongodb-and-mongoose/create-and-save-a-record-of-a-model.chinese.md
index ab8d3c1b4a..3e42748cad 100644
--- a/curriculum/challenges/chinese/05-apis-and-microservices/mongodb-and-mongoose/create-and-save-a-record-of-a-model.chinese.md
+++ b/curriculum/challenges/chinese/05-apis-and-microservices/mongodb-and-mongoose/create-and-save-a-record-of-a-model.chinese.md
@@ -42,4 +42,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/05-apis-and-microservices/mongodb-and-mongoose/create-many-records-with-model.create.chinese.md b/curriculum/challenges/chinese/05-apis-and-microservices/mongodb-and-mongoose/create-many-records-with-model.create.chinese.md
index 834e6be9d8..f88f2deb3b 100644
--- a/curriculum/challenges/chinese/05-apis-and-microservices/mongodb-and-mongoose/create-many-records-with-model.create.chinese.md
+++ b/curriculum/challenges/chinese/05-apis-and-microservices/mongodb-and-mongoose/create-many-records-with-model.create.chinese.md
@@ -37,4 +37,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/05-apis-and-microservices/mongodb-and-mongoose/delete-many-documents-with-model.remove.chinese.md b/curriculum/challenges/chinese/05-apis-and-microservices/mongodb-and-mongoose/delete-many-documents-with-model.remove.chinese.md
index 857aa12a6c..537bf309c1 100644
--- a/curriculum/challenges/chinese/05-apis-and-microservices/mongodb-and-mongoose/delete-many-documents-with-model.remove.chinese.md
+++ b/curriculum/challenges/chinese/05-apis-and-microservices/mongodb-and-mongoose/delete-many-documents-with-model.remove.chinese.md
@@ -38,4 +38,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/05-apis-and-microservices/mongodb-and-mongoose/delete-one-document-using-model.findbyidandremove.chinese.md b/curriculum/challenges/chinese/05-apis-and-microservices/mongodb-and-mongoose/delete-one-document-using-model.findbyidandremove.chinese.md
index c119ce472c..c6337bb633 100644
--- a/curriculum/challenges/chinese/05-apis-and-microservices/mongodb-and-mongoose/delete-one-document-using-model.findbyidandremove.chinese.md
+++ b/curriculum/challenges/chinese/05-apis-and-microservices/mongodb-and-mongoose/delete-one-document-using-model.findbyidandremove.chinese.md
@@ -37,4 +37,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/05-apis-and-microservices/mongodb-and-mongoose/install-and-set-up-mongoose.chinese.md b/curriculum/challenges/chinese/05-apis-and-microservices/mongodb-and-mongoose/install-and-set-up-mongoose.chinese.md
index bf8399fdf5..e71dbe23a5 100644
--- a/curriculum/challenges/chinese/05-apis-and-microservices/mongodb-and-mongoose/install-and-set-up-mongoose.chinese.md
+++ b/curriculum/challenges/chinese/05-apis-and-microservices/mongodb-and-mongoose/install-and-set-up-mongoose.chinese.md
@@ -41,4 +41,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/05-apis-and-microservices/mongodb-and-mongoose/perform-classic-updates-by-running-find-edit-then-save.chinese.md b/curriculum/challenges/chinese/05-apis-and-microservices/mongodb-and-mongoose/perform-classic-updates-by-running-find-edit-then-save.chinese.md
index 285c7a6aa2..594bc8fd54 100644
--- a/curriculum/challenges/chinese/05-apis-and-microservices/mongodb-and-mongoose/perform-classic-updates-by-running-find-edit-then-save.chinese.md
+++ b/curriculum/challenges/chinese/05-apis-and-microservices/mongodb-and-mongoose/perform-classic-updates-by-running-find-edit-then-save.chinese.md
@@ -38,4 +38,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/05-apis-and-microservices/mongodb-and-mongoose/perform-new-updates-on-a-document-using-model.findoneandupdate.chinese.md b/curriculum/challenges/chinese/05-apis-and-microservices/mongodb-and-mongoose/perform-new-updates-on-a-document-using-model.findoneandupdate.chinese.md
index f3dff1feb4..eb39a6976a 100644
--- a/curriculum/challenges/chinese/05-apis-and-microservices/mongodb-and-mongoose/perform-new-updates-on-a-document-using-model.findoneandupdate.chinese.md
+++ b/curriculum/challenges/chinese/05-apis-and-microservices/mongodb-and-mongoose/perform-new-updates-on-a-document-using-model.findoneandupdate.chinese.md
@@ -37,4 +37,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/05-apis-and-microservices/mongodb-and-mongoose/use-model.find-to-search-your-database.chinese.md b/curriculum/challenges/chinese/05-apis-and-microservices/mongodb-and-mongoose/use-model.find-to-search-your-database.chinese.md
index 87ebd519ed..3cf71f5cd2 100644
--- a/curriculum/challenges/chinese/05-apis-and-microservices/mongodb-and-mongoose/use-model.find-to-search-your-database.chinese.md
+++ b/curriculum/challenges/chinese/05-apis-and-microservices/mongodb-and-mongoose/use-model.find-to-search-your-database.chinese.md
@@ -37,4 +37,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/05-apis-and-microservices/mongodb-and-mongoose/use-model.findbyid-to-search-your-database-by-id.chinese.md b/curriculum/challenges/chinese/05-apis-and-microservices/mongodb-and-mongoose/use-model.findbyid-to-search-your-database-by-id.chinese.md
index 6f5f0cc22a..21d62decb7 100644
--- a/curriculum/challenges/chinese/05-apis-and-microservices/mongodb-and-mongoose/use-model.findbyid-to-search-your-database-by-id.chinese.md
+++ b/curriculum/challenges/chinese/05-apis-and-microservices/mongodb-and-mongoose/use-model.findbyid-to-search-your-database-by-id.chinese.md
@@ -37,4 +37,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/05-apis-and-microservices/mongodb-and-mongoose/use-model.findone-to-return-a-single-matching-document-from-your-database.chinese.md b/curriculum/challenges/chinese/05-apis-and-microservices/mongodb-and-mongoose/use-model.findone-to-return-a-single-matching-document-from-your-database.chinese.md
index f85e862e85..c033e872b8 100644
--- a/curriculum/challenges/chinese/05-apis-and-microservices/mongodb-and-mongoose/use-model.findone-to-return-a-single-matching-document-from-your-database.chinese.md
+++ b/curriculum/challenges/chinese/05-apis-and-microservices/mongodb-and-mongoose/use-model.findone-to-return-a-single-matching-document-from-your-database.chinese.md
@@ -38,4 +38,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/announce-new-users.chinese.md b/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/announce-new-users.chinese.md
index 30aecacab0..2b7b50198b 100644
--- a/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/announce-new-users.chinese.md
+++ b/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/announce-new-users.chinese.md
@@ -47,4 +47,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/authentication-strategies.chinese.md b/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/authentication-strategies.chinese.md
index e965fd962e..c9251c829e 100644
--- a/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/authentication-strategies.chinese.md
+++ b/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/authentication-strategies.chinese.md
@@ -48,4 +48,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/authentication-with-socket.io.chinese.md b/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/authentication-with-socket.io.chinese.md
index f0125b2c93..b675852498 100644
--- a/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/authentication-with-socket.io.chinese.md
+++ b/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/authentication-with-socket.io.chinese.md
@@ -45,4 +45,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/clean-up-your-project-with-modules.chinese.md b/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/clean-up-your-project-with-modules.chinese.md
index 65d0dbaf7b..81914db162 100644
--- a/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/clean-up-your-project-with-modules.chinese.md
+++ b/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/clean-up-your-project-with-modules.chinese.md
@@ -37,4 +37,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/communicate-by-emitting.chinese.md b/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/communicate-by-emitting.chinese.md
index 31b20d124b..a09474a87b 100644
--- a/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/communicate-by-emitting.chinese.md
+++ b/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/communicate-by-emitting.chinese.md
@@ -42,4 +42,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/create-new-middleware.chinese.md b/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/create-new-middleware.chinese.md
index 4454fe53c0..a2e0482540 100644
--- a/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/create-new-middleware.chinese.md
+++ b/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/create-new-middleware.chinese.md
@@ -46,4 +46,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/handle-a-disconnect.chinese.md b/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/handle-a-disconnect.chinese.md
index 848e6de928..325a4dfd46 100644
--- a/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/handle-a-disconnect.chinese.md
+++ b/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/handle-a-disconnect.chinese.md
@@ -38,4 +38,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/hashing-your-passwords.chinese.md b/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/hashing-your-passwords.chinese.md
index ffd6b09c21..b71006591b 100644
--- a/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/hashing-your-passwords.chinese.md
+++ b/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/hashing-your-passwords.chinese.md
@@ -38,4 +38,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/how-to-put-a-profile-together.chinese.md b/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/how-to-put-a-profile-together.chinese.md
index eafe0c87c2..ded8d86e25 100644
--- a/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/how-to-put-a-profile-together.chinese.md
+++ b/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/how-to-put-a-profile-together.chinese.md
@@ -36,4 +36,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/how-to-use-passport-strategies.chinese.md b/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/how-to-use-passport-strategies.chinese.md
index a05faf1a16..d036474e28 100644
--- a/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/how-to-use-passport-strategies.chinese.md
+++ b/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/how-to-use-passport-strategies.chinese.md
@@ -38,4 +38,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/implement-the-serialization-of-a-passport-user.chinese.md b/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/implement-the-serialization-of-a-passport-user.chinese.md
index d9465fef92..fca3e05d2e 100644
--- a/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/implement-the-serialization-of-a-passport-user.chinese.md
+++ b/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/implement-the-serialization-of-a-passport-user.chinese.md
@@ -44,4 +44,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/implementation-of-social-authentication-ii.chinese.md b/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/implementation-of-social-authentication-ii.chinese.md
index 5801fb5df8..8eefe808d5 100644
--- a/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/implementation-of-social-authentication-ii.chinese.md
+++ b/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/implementation-of-social-authentication-ii.chinese.md
@@ -49,4 +49,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/implementation-of-social-authentication-iii.chinese.md b/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/implementation-of-social-authentication-iii.chinese.md
index 41c5400d8e..46851c8106 100644
--- a/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/implementation-of-social-authentication-iii.chinese.md
+++ b/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/implementation-of-social-authentication-iii.chinese.md
@@ -55,4 +55,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/implementation-of-social-authentication.chinese.md b/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/implementation-of-social-authentication.chinese.md
index 7b49be11e8..1a444aab65 100644
--- a/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/implementation-of-social-authentication.chinese.md
+++ b/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/implementation-of-social-authentication.chinese.md
@@ -41,4 +41,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/logging-a-user-out.chinese.md b/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/logging-a-user-out.chinese.md
index 691513e8d2..4ed5eafa84 100644
--- a/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/logging-a-user-out.chinese.md
+++ b/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/logging-a-user-out.chinese.md
@@ -46,4 +46,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/registration-of-new-users.chinese.md b/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/registration-of-new-users.chinese.md
index bd7aa219d7..050f0c0a1c 100644
--- a/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/registration-of-new-users.chinese.md
+++ b/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/registration-of-new-users.chinese.md
@@ -69,4 +69,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/send-and-display-chat-messages.chinese.md b/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/send-and-display-chat-messages.chinese.md
index b4eab49bde..b843adc4cb 100644
--- a/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/send-and-display-chat-messages.chinese.md
+++ b/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/send-and-display-chat-messages.chinese.md
@@ -38,4 +38,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/serialization-of-a-user-object.chinese.md b/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/serialization-of-a-user-object.chinese.md
index 96fdba6edf..00cd4d0831 100644
--- a/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/serialization-of-a-user-object.chinese.md
+++ b/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/serialization-of-a-user-object.chinese.md
@@ -51,4 +51,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/set-up-a-template-engine.chinese.md b/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/set-up-a-template-engine.chinese.md
index efb47a85d5..417fa75177 100644
--- a/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/set-up-a-template-engine.chinese.md
+++ b/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/set-up-a-template-engine.chinese.md
@@ -40,4 +40,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/set-up-passport.chinese.md b/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/set-up-passport.chinese.md
index 12ad21e7e6..fc58938d99 100644
--- a/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/set-up-passport.chinese.md
+++ b/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/set-up-passport.chinese.md
@@ -46,4 +46,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/set-up-the-environment.chinese.md b/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/set-up-the-environment.chinese.md
index 6a3c05e25b..f14ee9597d 100644
--- a/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/set-up-the-environment.chinese.md
+++ b/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/set-up-the-environment.chinese.md
@@ -45,4 +45,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/use-a-template-engines-powers.chinese.md b/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/use-a-template-engines-powers.chinese.md
index c23a8e0c34..4d352a23b5 100644
--- a/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/use-a-template-engines-powers.chinese.md
+++ b/curriculum/challenges/chinese/06-quality-assurance/advanced-node-and-express/use-a-template-engines-powers.chinese.md
@@ -36,4 +36,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/assert-deep-equality-with-.deepequal-and-.notdeepequal.chinese.md b/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/assert-deep-equality-with-.deepequal-and-.notdeepequal.chinese.md
index cae7d004f1..68d086f21a 100644
--- a/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/assert-deep-equality-with-.deepequal-and-.notdeepequal.chinese.md
+++ b/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/assert-deep-equality-with-.deepequal-and-.notdeepequal.chinese.md
@@ -40,4 +40,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/compare-the-properties-of-two-elements.chinese.md b/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/compare-the-properties-of-two-elements.chinese.md
index 9b099915e4..c0fe53daa9 100644
--- a/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/compare-the-properties-of-two-elements.chinese.md
+++ b/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/compare-the-properties-of-two-elements.chinese.md
@@ -44,4 +44,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/learn-how-javascript-assertions-work.chinese.md b/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/learn-how-javascript-assertions-work.chinese.md
index 40f25b0843..fef6303549 100644
--- a/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/learn-how-javascript-assertions-work.chinese.md
+++ b/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/learn-how-javascript-assertions-work.chinese.md
@@ -40,4 +40,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/run-functional-tests-on-an-api-response-using-chai-http-iii---put-method.chinese.md b/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/run-functional-tests-on-an-api-response-using-chai-http-iii---put-method.chinese.md
index 85fb429946..ce1266f7cd 100644
--- a/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/run-functional-tests-on-an-api-response-using-chai-http-iii---put-method.chinese.md
+++ b/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/run-functional-tests-on-an-api-response-using-chai-http-iii---put-method.chinese.md
@@ -44,4 +44,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/run-functional-tests-on-an-api-response-using-chai-http-iv---put-method.chinese.md b/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/run-functional-tests-on-an-api-response-using-chai-http-iv---put-method.chinese.md
index 5448d2f266..595e08d3a1 100644
--- a/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/run-functional-tests-on-an-api-response-using-chai-http-iv---put-method.chinese.md
+++ b/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/run-functional-tests-on-an-api-response-using-chai-http-iv---put-method.chinese.md
@@ -44,4 +44,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/run-functional-tests-on-api-endpoints-using-chai-http-ii.chinese.md b/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/run-functional-tests-on-api-endpoints-using-chai-http-ii.chinese.md
index 7262462888..560d0a75e0 100644
--- a/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/run-functional-tests-on-api-endpoints-using-chai-http-ii.chinese.md
+++ b/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/run-functional-tests-on-api-endpoints-using-chai-http-ii.chinese.md
@@ -40,4 +40,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/run-functional-tests-on-api-endpoints-using-chai-http.chinese.md b/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/run-functional-tests-on-api-endpoints-using-chai-http.chinese.md
index 09b5f2de94..350d6780c1 100644
--- a/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/run-functional-tests-on-api-endpoints-using-chai-http.chinese.md
+++ b/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/run-functional-tests-on-api-endpoints-using-chai-http.chinese.md
@@ -40,4 +40,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/run-functional-tests-using-a-headless-browser-ii.chinese.md b/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/run-functional-tests-using-a-headless-browser-ii.chinese.md
index 6c5bcd6655..c1c66a8669 100644
--- a/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/run-functional-tests-using-a-headless-browser-ii.chinese.md
+++ b/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/run-functional-tests-using-a-headless-browser-ii.chinese.md
@@ -44,4 +44,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/run-functional-tests-using-a-headless-browser.chinese.md b/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/run-functional-tests-using-a-headless-browser.chinese.md
index a0fb2563b1..f5ab7893fa 100644
--- a/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/run-functional-tests-using-a-headless-browser.chinese.md
+++ b/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/run-functional-tests-using-a-headless-browser.chinese.md
@@ -44,4 +44,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/test-for-truthiness.chinese.md b/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/test-for-truthiness.chinese.md
index cf78a6247b..827725fd54 100644
--- a/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/test-for-truthiness.chinese.md
+++ b/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/test-for-truthiness.chinese.md
@@ -42,4 +42,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/test-if-a-string-contains-a-substring.chinese.md b/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/test-if-a-string-contains-a-substring.chinese.md
index 1217f2d524..2d4dbe3e72 100644
--- a/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/test-if-a-string-contains-a-substring.chinese.md
+++ b/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/test-if-a-string-contains-a-substring.chinese.md
@@ -40,4 +40,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/test-if-a-value-falls-within-a-specific-range.chinese.md b/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/test-if-a-value-falls-within-a-specific-range.chinese.md
index 5957f4191c..ce0b7dc605 100644
--- a/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/test-if-a-value-falls-within-a-specific-range.chinese.md
+++ b/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/test-if-a-value-falls-within-a-specific-range.chinese.md
@@ -40,4 +40,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/test-if-a-value-is-a-string.chinese.md b/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/test-if-a-value-is-a-string.chinese.md
index dd0096a8d4..6c7811c75c 100644
--- a/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/test-if-a-value-is-a-string.chinese.md
+++ b/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/test-if-a-value-is-a-string.chinese.md
@@ -42,4 +42,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/test-if-a-value-is-an-array.chinese.md b/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/test-if-a-value-is-an-array.chinese.md
index e899c69acd..106ab1a55b 100644
--- a/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/test-if-a-value-is-an-array.chinese.md
+++ b/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/test-if-a-value-is-an-array.chinese.md
@@ -40,4 +40,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/test-if-a-value-is-of-a-specific-data-structure-type.chinese.md b/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/test-if-a-value-is-of-a-specific-data-structure-type.chinese.md
index ef4535f398..c7435bacc6 100644
--- a/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/test-if-a-value-is-of-a-specific-data-structure-type.chinese.md
+++ b/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/test-if-a-value-is-of-a-specific-data-structure-type.chinese.md
@@ -46,4 +46,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/test-if-a-variable-or-function-is-defined.chinese.md b/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/test-if-a-variable-or-function-is-defined.chinese.md
index fa538096b7..bcecfa4b3e 100644
--- a/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/test-if-a-variable-or-function-is-defined.chinese.md
+++ b/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/test-if-a-variable-or-function-is-defined.chinese.md
@@ -42,4 +42,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/test-if-an-array-contains-an-item.chinese.md b/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/test-if-an-array-contains-an-item.chinese.md
index 8801d22cb9..f38713a79c 100644
--- a/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/test-if-an-array-contains-an-item.chinese.md
+++ b/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/test-if-an-array-contains-an-item.chinese.md
@@ -40,4 +40,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/test-if-an-object-has-a-property.chinese.md b/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/test-if-an-object-has-a-property.chinese.md
index 54d4934c20..77e2e3f5d2 100644
--- a/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/test-if-an-object-has-a-property.chinese.md
+++ b/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/test-if-an-object-has-a-property.chinese.md
@@ -42,4 +42,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/test-if-an-object-is-an-instance-of-a-constructor.chinese.md b/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/test-if-an-object-is-an-instance-of-a-constructor.chinese.md
index df83546fba..4d279c999b 100644
--- a/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/test-if-an-object-is-an-instance-of-a-constructor.chinese.md
+++ b/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/test-if-an-object-is-an-instance-of-a-constructor.chinese.md
@@ -44,4 +44,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/test-if-one-value-is-below-or-at-least-as-large-as-another.chinese.md b/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/test-if-one-value-is-below-or-at-least-as-large-as-another.chinese.md
index ba0fc552e1..3deff94360 100644
--- a/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/test-if-one-value-is-below-or-at-least-as-large-as-another.chinese.md
+++ b/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/test-if-one-value-is-below-or-at-least-as-large-as-another.chinese.md
@@ -44,4 +44,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/use-assert.isok-and-assert.isnotok.chinese.md b/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/use-assert.isok-and-assert.isnotok.chinese.md
index 04d5295080..cec3a5d44f 100644
--- a/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/use-assert.isok-and-assert.isnotok.chinese.md
+++ b/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/use-assert.isok-and-assert.isnotok.chinese.md
@@ -42,4 +42,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/use-regular-expressions-to-test-a-string.chinese.md b/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/use-regular-expressions-to-test-a-string.chinese.md
index 28028239b8..3b031a9932 100644
--- a/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/use-regular-expressions-to-test-a-string.chinese.md
+++ b/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/use-regular-expressions-to-test-a-string.chinese.md
@@ -40,4 +40,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/use-the-double-equals-to-assert-equality.chinese.md b/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/use-the-double-equals-to-assert-equality.chinese.md
index 213901f90a..99ced1dfeb 100644
--- a/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/use-the-double-equals-to-assert-equality.chinese.md
+++ b/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/use-the-double-equals-to-assert-equality.chinese.md
@@ -44,4 +44,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/use-the-triple-equals-to-assert-strict-equality.chinese.md b/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/use-the-triple-equals-to-assert-strict-equality.chinese.md
index 0a3fa48b65..e31f8c0892 100644
--- a/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/use-the-triple-equals-to-assert-strict-equality.chinese.md
+++ b/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/use-the-triple-equals-to-assert-strict-equality.chinese.md
@@ -44,4 +44,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-projects/issue-tracker.chinese.md b/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-projects/issue-tracker.chinese.md
index de28936b73..0a69902f4b 100644
--- a/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-projects/issue-tracker.chinese.md
+++ b/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-projects/issue-tracker.chinese.md
@@ -51,4 +51,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-projects/personal-library.chinese.md b/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-projects/personal-library.chinese.md
index 9b6c1fa9f7..10cb151bf5 100644
--- a/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-projects/personal-library.chinese.md
+++ b/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-projects/personal-library.chinese.md
@@ -55,4 +55,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/09-information-security/information-security-projects/anonymous-message-board.chinese.md b/curriculum/challenges/chinese/09-information-security/information-security-projects/anonymous-message-board.chinese.md
index 7f5f416234..9b141b6992 100644
--- a/curriculum/challenges/chinese/09-information-security/information-security-projects/anonymous-message-board.chinese.md
+++ b/curriculum/challenges/chinese/09-information-security/information-security-projects/anonymous-message-board.chinese.md
@@ -59,4 +59,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/09-information-security/information-security-projects/stock-price-checker.chinese.md b/curriculum/challenges/chinese/09-information-security/information-security-projects/stock-price-checker.chinese.md
index 50dcf16f2a..15872ef8cb 100644
--- a/curriculum/challenges/chinese/09-information-security/information-security-projects/stock-price-checker.chinese.md
+++ b/curriculum/challenges/chinese/09-information-security/information-security-projects/stock-price-checker.chinese.md
@@ -49,4 +49,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/09-information-security/information-security-with-helmetjs/ask-browsers-to-access-your-site-via-https-only-with-helmet.hsts.chinese.md b/curriculum/challenges/chinese/09-information-security/information-security-with-helmetjs/ask-browsers-to-access-your-site-via-https-only-with-helmet.hsts.chinese.md
index 6c8d977d43..c311fb85dd 100644
--- a/curriculum/challenges/chinese/09-information-security/information-security-with-helmetjs/ask-browsers-to-access-your-site-via-https-only-with-helmet.hsts.chinese.md
+++ b/curriculum/challenges/chinese/09-information-security/information-security-with-helmetjs/ask-browsers-to-access-your-site-via-https-only-with-helmet.hsts.chinese.md
@@ -38,4 +38,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/09-information-security/information-security-with-helmetjs/avoid-inferring-the-response-mime-type-with-helmet.nosniff.chinese.md b/curriculum/challenges/chinese/09-information-security/information-security-with-helmetjs/avoid-inferring-the-response-mime-type-with-helmet.nosniff.chinese.md
index 03c858ad0f..e58f168240 100644
--- a/curriculum/challenges/chinese/09-information-security/information-security-with-helmetjs/avoid-inferring-the-response-mime-type-with-helmet.nosniff.chinese.md
+++ b/curriculum/challenges/chinese/09-information-security/information-security-with-helmetjs/avoid-inferring-the-response-mime-type-with-helmet.nosniff.chinese.md
@@ -36,4 +36,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/09-information-security/information-security-with-helmetjs/configure-helmet-using-the-parent-helmet-middleware.chinese.md b/curriculum/challenges/chinese/09-information-security/information-security-with-helmetjs/configure-helmet-using-the-parent-helmet-middleware.chinese.md
index 17fdc239d8..8ef0b0c955 100644
--- a/curriculum/challenges/chinese/09-information-security/information-security-with-helmetjs/configure-helmet-using-the-parent-helmet-middleware.chinese.md
+++ b/curriculum/challenges/chinese/09-information-security/information-security-with-helmetjs/configure-helmet-using-the-parent-helmet-middleware.chinese.md
@@ -36,4 +36,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/09-information-security/information-security-with-helmetjs/disable-client-side-caching-with-helmet.nocache.chinese.md b/curriculum/challenges/chinese/09-information-security/information-security-with-helmetjs/disable-client-side-caching-with-helmet.nocache.chinese.md
index 0c2229e2a5..a5eb92ace0 100644
--- a/curriculum/challenges/chinese/09-information-security/information-security-with-helmetjs/disable-client-side-caching-with-helmet.nocache.chinese.md
+++ b/curriculum/challenges/chinese/09-information-security/information-security-with-helmetjs/disable-client-side-caching-with-helmet.nocache.chinese.md
@@ -36,4 +36,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/09-information-security/information-security-with-helmetjs/disable-dns-prefetching-with-helmet.dnsprefetchcontrol.chinese.md b/curriculum/challenges/chinese/09-information-security/information-security-with-helmetjs/disable-dns-prefetching-with-helmet.dnsprefetchcontrol.chinese.md
index e9879b8aa4..d20f643b80 100644
--- a/curriculum/challenges/chinese/09-information-security/information-security-with-helmetjs/disable-dns-prefetching-with-helmet.dnsprefetchcontrol.chinese.md
+++ b/curriculum/challenges/chinese/09-information-security/information-security-with-helmetjs/disable-dns-prefetching-with-helmet.dnsprefetchcontrol.chinese.md
@@ -36,4 +36,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/09-information-security/information-security-with-helmetjs/hash-and-compare-passwords-asynchronously.chinese.md b/curriculum/challenges/chinese/09-information-security/information-security-with-helmetjs/hash-and-compare-passwords-asynchronously.chinese.md
index 02a4873368..5589d68818 100644
--- a/curriculum/challenges/chinese/09-information-security/information-security-with-helmetjs/hash-and-compare-passwords-asynchronously.chinese.md
+++ b/curriculum/challenges/chinese/09-information-security/information-security-with-helmetjs/hash-and-compare-passwords-asynchronously.chinese.md
@@ -41,4 +41,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/09-information-security/information-security-with-helmetjs/hash-and-compare-passwords-synchronously.chinese.md b/curriculum/challenges/chinese/09-information-security/information-security-with-helmetjs/hash-and-compare-passwords-synchronously.chinese.md
index 825fdda6c6..dbfdae3dd5 100644
--- a/curriculum/challenges/chinese/09-information-security/information-security-with-helmetjs/hash-and-compare-passwords-synchronously.chinese.md
+++ b/curriculum/challenges/chinese/09-information-security/information-security-with-helmetjs/hash-and-compare-passwords-synchronously.chinese.md
@@ -36,4 +36,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/09-information-security/information-security-with-helmetjs/hide-potentially-dangerous-information-using-helmet.hidepoweredby.chinese.md b/curriculum/challenges/chinese/09-information-security/information-security-with-helmetjs/hide-potentially-dangerous-information-using-helmet.hidepoweredby.chinese.md
index c9b02d4992..e12622586a 100644
--- a/curriculum/challenges/chinese/09-information-security/information-security-with-helmetjs/hide-potentially-dangerous-information-using-helmet.hidepoweredby.chinese.md
+++ b/curriculum/challenges/chinese/09-information-security/information-security-with-helmetjs/hide-potentially-dangerous-information-using-helmet.hidepoweredby.chinese.md
@@ -36,4 +36,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/09-information-security/information-security-with-helmetjs/install-and-require-helmet.chinese.md b/curriculum/challenges/chinese/09-information-security/information-security-with-helmetjs/install-and-require-helmet.chinese.md
index ed6e1a38f7..5a76f32a41 100644
--- a/curriculum/challenges/chinese/09-information-security/information-security-with-helmetjs/install-and-require-helmet.chinese.md
+++ b/curriculum/challenges/chinese/09-information-security/information-security-with-helmetjs/install-and-require-helmet.chinese.md
@@ -36,4 +36,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/09-information-security/information-security-with-helmetjs/mitigate-the-risk-of-clickjacking-with-helmet.frameguard.chinese.md b/curriculum/challenges/chinese/09-information-security/information-security-with-helmetjs/mitigate-the-risk-of-clickjacking-with-helmet.frameguard.chinese.md
index 41c3cc7925..210707ce63 100644
--- a/curriculum/challenges/chinese/09-information-security/information-security-with-helmetjs/mitigate-the-risk-of-clickjacking-with-helmet.frameguard.chinese.md
+++ b/curriculum/challenges/chinese/09-information-security/information-security-with-helmetjs/mitigate-the-risk-of-clickjacking-with-helmet.frameguard.chinese.md
@@ -38,4 +38,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/09-information-security/information-security-with-helmetjs/mitigate-the-risk-of-cross-site-scripting-xss-attacks-with-helmet.xssfilter.chinese.md b/curriculum/challenges/chinese/09-information-security/information-security-with-helmetjs/mitigate-the-risk-of-cross-site-scripting-xss-attacks-with-helmet.xssfilter.chinese.md
index b4a848e967..5e5e0c68a4 100644
--- a/curriculum/challenges/chinese/09-information-security/information-security-with-helmetjs/mitigate-the-risk-of-cross-site-scripting-xss-attacks-with-helmet.xssfilter.chinese.md
+++ b/curriculum/challenges/chinese/09-information-security/information-security-with-helmetjs/mitigate-the-risk-of-cross-site-scripting-xss-attacks-with-helmet.xssfilter.chinese.md
@@ -36,4 +36,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/09-information-security/information-security-with-helmetjs/prevent-ie-from-opening-untrusted-html-with-helmet.ienoopen.chinese.md b/curriculum/challenges/chinese/09-information-security/information-security-with-helmetjs/prevent-ie-from-opening-untrusted-html-with-helmet.ienoopen.chinese.md
index 9079401f78..caa2650361 100644
--- a/curriculum/challenges/chinese/09-information-security/information-security-with-helmetjs/prevent-ie-from-opening-untrusted-html-with-helmet.ienoopen.chinese.md
+++ b/curriculum/challenges/chinese/09-information-security/information-security-with-helmetjs/prevent-ie-from-opening-untrusted-html-with-helmet.ienoopen.chinese.md
@@ -36,4 +36,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/09-information-security/information-security-with-helmetjs/set-a-content-security-policy-with-helmet.contentsecuritypolicy.chinese.md b/curriculum/challenges/chinese/09-information-security/information-security-with-helmetjs/set-a-content-security-policy-with-helmet.contentsecuritypolicy.chinese.md
index 832b3049f0..8437fa6a4f 100644
--- a/curriculum/challenges/chinese/09-information-security/information-security-with-helmetjs/set-a-content-security-policy-with-helmet.contentsecuritypolicy.chinese.md
+++ b/curriculum/challenges/chinese/09-information-security/information-security-with-helmetjs/set-a-content-security-policy-with-helmet.contentsecuritypolicy.chinese.md
@@ -40,4 +40,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/09-information-security/information-security-with-helmetjs/understand-bcrypt-hashes.chinese.md b/curriculum/challenges/chinese/09-information-security/information-security-with-helmetjs/understand-bcrypt-hashes.chinese.md
index 26b6153bd9..abcac190e4 100644
--- a/curriculum/challenges/chinese/09-information-security/information-security-with-helmetjs/understand-bcrypt-hashes.chinese.md
+++ b/curriculum/challenges/chinese/09-information-security/information-security-with-helmetjs/understand-bcrypt-hashes.chinese.md
@@ -38,4 +38,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/algorithms/find-the-symmetric-difference.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/algorithms/find-the-symmetric-difference.chinese.md
index a038a9e221..c5afe38404 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/algorithms/find-the-symmetric-difference.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/algorithms/find-the-symmetric-difference.chinese.md
@@ -77,4 +77,5 @@ sym([1, 2, 3], [5, 2, 1, 4]);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/algorithms/implement-bubble-sort.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/algorithms/implement-bubble-sort.chinese.md
index 354ef209a9..b4d10ba323 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/algorithms/implement-bubble-sort.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/algorithms/implement-bubble-sort.chinese.md
@@ -69,4 +69,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/algorithms/implement-insertion-sort.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/algorithms/implement-insertion-sort.chinese.md
index 405cd94f92..71333869ce 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/algorithms/implement-insertion-sort.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/algorithms/implement-insertion-sort.chinese.md
@@ -69,4 +69,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/algorithms/implement-merge-sort.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/algorithms/implement-merge-sort.chinese.md
index 5f72171a51..8b86faa728 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/algorithms/implement-merge-sort.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/algorithms/implement-merge-sort.chinese.md
@@ -69,4 +69,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/algorithms/implement-quick-sort.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/algorithms/implement-quick-sort.chinese.md
index 1da9e56f75..d3d73c98b8 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/algorithms/implement-quick-sort.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/algorithms/implement-quick-sort.chinese.md
@@ -69,4 +69,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/algorithms/implement-selection-sort.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/algorithms/implement-selection-sort.chinese.md
index 462e1d2912..47c1ddb006 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/algorithms/implement-selection-sort.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/algorithms/implement-selection-sort.chinese.md
@@ -69,4 +69,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/algorithms/inventory-update.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/algorithms/inventory-update.chinese.md
index 1a9a94d897..cba869f86b 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/algorithms/inventory-update.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/algorithms/inventory-update.chinese.md
@@ -77,4 +77,5 @@ updateInventory(curInv, newInv);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/algorithms/no-repeats-please.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/algorithms/no-repeats-please.chinese.md
index 99fe0e8c67..eb4ae2627a 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/algorithms/no-repeats-please.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/algorithms/no-repeats-please.chinese.md
@@ -69,4 +69,5 @@ permAlone('aab');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/algorithms/pairwise.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/algorithms/pairwise.chinese.md
index 6a893192c3..4a8c5c4d03 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/algorithms/pairwise.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/algorithms/pairwise.chinese.md
@@ -59,4 +59,5 @@ pairwise([1,4,2,3,0,5], 7);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/add-a-new-element-to-a-binary-search-tree.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/add-a-new-element-to-a-binary-search-tree.chinese.md
index ae67d1e0d8..bcc618020d 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/add-a-new-element-to-a-binary-search-tree.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/add-a-new-element-to-a-binary-search-tree.chinese.md
@@ -71,4 +71,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/add-elements-at-a-specific-index-in-a-linked-list.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/add-elements-at-a-specific-index-in-a-linked-list.chinese.md
index 6e2e392733..a5f388de5e 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/add-elements-at-a-specific-index-in-a-linked-list.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/add-elements-at-a-specific-index-in-a-linked-list.chinese.md
@@ -88,4 +88,5 @@ function LinkedList() {
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/adjacency-list.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/adjacency-list.chinese.md
index eeb5438d91..0b24a9518a 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/adjacency-list.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/adjacency-list.chinese.md
@@ -53,4 +53,5 @@ var undirectedAdjList = {
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/adjacency-matrix.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/adjacency-matrix.chinese.md
index 16330e847b..fb7c1ad95b 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/adjacency-matrix.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/adjacency-matrix.chinese.md
@@ -55,4 +55,5 @@ var adjMatUndirected = [
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/breadth-first-search.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/breadth-first-search.chinese.md
index 4817643b79..967fec932f 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/breadth-first-search.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/breadth-first-search.chinese.md
@@ -73,4 +73,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/check-if-an-element-is-present-in-a-binary-search-tree.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/check-if-an-element-is-present-in-a-binary-search-tree.chinese.md
index 0569eacfd7..062cc1376b 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/check-if-an-element-is-present-in-a-binary-search-tree.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/check-if-an-element-is-present-in-a-binary-search-tree.chinese.md
@@ -71,4 +71,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/create-a-circular-queue.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/create-a-circular-queue.chinese.md
index 2075a73e91..4bb93c2e61 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/create-a-circular-queue.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/create-a-circular-queue.chinese.md
@@ -86,4 +86,5 @@ class CircularQueue {
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/create-a-doubly-linked-list.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/create-a-doubly-linked-list.chinese.md
index ec10ab190e..0ee1b72bf3 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/create-a-doubly-linked-list.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/create-a-doubly-linked-list.chinese.md
@@ -78,4 +78,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/create-a-hash-table.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/create-a-hash-table.chinese.md
index 737c0dee6a..632e936b5c 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/create-a-hash-table.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/create-a-hash-table.chinese.md
@@ -87,4 +87,5 @@ var HashTable = function() {
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/create-a-linked-list-class.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/create-a-linked-list-class.chinese.md
index 8cfdf06e5d..d2a229a247 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/create-a-linked-list-class.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/create-a-linked-list-class.chinese.md
@@ -74,4 +74,5 @@ function LinkedList() {
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/create-a-map-data-structure.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/create-a-map-data-structure.chinese.md
index 06cc119bd1..301b95e816 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/create-a-map-data-structure.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/create-a-map-data-structure.chinese.md
@@ -63,4 +63,5 @@ var Map = function() {
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/create-a-priority-queue-class.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/create-a-priority-queue-class.chinese.md
index 10fd1a773e..703dd68690 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/create-a-priority-queue-class.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/create-a-priority-queue-class.chinese.md
@@ -67,4 +67,5 @@ function PriorityQueue () {
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/create-a-queue-class.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/create-a-queue-class.chinese.md
index b80405992b..f2ebb66df8 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/create-a-queue-class.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/create-a-queue-class.chinese.md
@@ -71,4 +71,5 @@ function Queue () {
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/create-a-set-class.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/create-a-set-class.chinese.md
index c1bce2f505..154e6872ed 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/create-a-set-class.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/create-a-set-class.chinese.md
@@ -66,4 +66,5 @@ function Set() {
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/create-a-stack-class.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/create-a-stack-class.chinese.md
index ee0922c2b1..99a2a704ea 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/create-a-stack-class.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/create-a-stack-class.chinese.md
@@ -71,4 +71,5 @@ function Stack() {
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/create-a-trie-search-tree.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/create-a-trie-search-tree.chinese.md
index b33a8d280c..cde1044aa1 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/create-a-trie-search-tree.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/create-a-trie-search-tree.chinese.md
@@ -69,4 +69,5 @@ var Trie = function() {
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/create-an-es6-javascript-map.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/create-an-es6-javascript-map.chinese.md
index 6e8534d920..023fa69e6d 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/create-an-es6-javascript-map.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/create-an-es6-javascript-map.chinese.md
@@ -49,4 +49,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/create-and-add-to-sets-in-es6.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/create-and-add-to-sets-in-es6.chinese.md
index 14f9a4516b..8696f23b00 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/create-and-add-to-sets-in-es6.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/create-and-add-to-sets-in-es6.chinese.md
@@ -55,4 +55,5 @@ checkSet();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/delete-a-leaf-node-in-a-binary-search-tree.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/delete-a-leaf-node-in-a-binary-search-tree.chinese.md
index c8c0349c46..4abd2af1a7 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/delete-a-leaf-node-in-a-binary-search-tree.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/delete-a-leaf-node-in-a-binary-search-tree.chinese.md
@@ -73,4 +73,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/delete-a-node-with-one-child-in-a-binary-search-tree.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/delete-a-node-with-one-child-in-a-binary-search-tree.chinese.md
index 371d5f1ee5..5bb2d08e42 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/delete-a-node-with-one-child-in-a-binary-search-tree.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/delete-a-node-with-one-child-in-a-binary-search-tree.chinese.md
@@ -118,4 +118,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/delete-a-node-with-two-children-in-a-binary-search-tree.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/delete-a-node-with-two-children-in-a-binary-search-tree.chinese.md
index ac5047868e..e1c77d70f4 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/delete-a-node-with-two-children-in-a-binary-search-tree.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/delete-a-node-with-two-children-in-a-binary-search-tree.chinese.md
@@ -136,4 +136,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/depth-first-search.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/depth-first-search.chinese.md
index 109347b3eb..ec8f967b8b 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/depth-first-search.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/depth-first-search.chinese.md
@@ -70,4 +70,5 @@ console.log(dfs(exDFSGraph, 3));
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/find-the-minimum-and-maximum-height-of-a-binary-search-tree.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/find-the-minimum-and-maximum-height-of-a-binary-search-tree.chinese.md
index ca54d91f4e..f1acb61358 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/find-the-minimum-and-maximum-height-of-a-binary-search-tree.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/find-the-minimum-and-maximum-height-of-a-binary-search-tree.chinese.md
@@ -79,4 +79,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/find-the-minimum-and-maximum-value-in-a-binary-search-tree.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/find-the-minimum-and-maximum-value-in-a-binary-search-tree.chinese.md
index f99d6b4df3..b98b69f4aa 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/find-the-minimum-and-maximum-value-in-a-binary-search-tree.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/find-the-minimum-and-maximum-value-in-a-binary-search-tree.chinese.md
@@ -75,4 +75,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/incidence-matrix.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/incidence-matrix.chinese.md
index ad1f904ce6..3d4e123517 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/incidence-matrix.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/incidence-matrix.chinese.md
@@ -56,4 +56,5 @@ var incMatUndirected = [
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/insert-an-element-into-a-max-heap.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/insert-an-element-into-a-max-heap.chinese.md
index 8775275277..31aa98265b 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/insert-an-element-into-a-max-heap.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/insert-an-element-into-a-max-heap.chinese.md
@@ -56,4 +56,5 @@ var MaxHeap = function() {
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/invert-a-binary-tree.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/invert-a-binary-tree.chinese.md
index 232fbb94de..1b9509d093 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/invert-a-binary-tree.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/invert-a-binary-tree.chinese.md
@@ -71,4 +71,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/learn-how-a-stack-works.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/learn-how-a-stack-works.chinese.md
index 871137d4f1..05f87da16f 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/learn-how-a-stack-works.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/learn-how-a-stack-works.chinese.md
@@ -53,4 +53,5 @@ var homeworkStack = ["BIO12","HIS80","MAT122","PSY44"];
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/perform-a-difference-on-two-sets-of-data.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/perform-a-difference-on-two-sets-of-data.chinese.md
index 5d3b0ebc94..50d966de6f 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/perform-a-difference-on-two-sets-of-data.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/perform-a-difference-on-two-sets-of-data.chinese.md
@@ -107,4 +107,5 @@ function Set() {
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/perform-a-subset-check-on-two-sets-of-data.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/perform-a-subset-check-on-two-sets-of-data.chinese.md
index 135db7093e..f079bdea80 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/perform-a-subset-check-on-two-sets-of-data.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/perform-a-subset-check-on-two-sets-of-data.chinese.md
@@ -126,4 +126,5 @@ function Set() {
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/perform-a-union-on-two-sets.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/perform-a-union-on-two-sets.chinese.md
index 3740bf3d6b..825a9e2fb9 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/perform-a-union-on-two-sets.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/perform-a-union-on-two-sets.chinese.md
@@ -84,4 +84,5 @@ function Set() {
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/perform-an-intersection-on-two-sets-of-data.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/perform-an-intersection-on-two-sets-of-data.chinese.md
index 0a5d71fe17..311345d289 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/perform-an-intersection-on-two-sets-of-data.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/perform-an-intersection-on-two-sets-of-data.chinese.md
@@ -96,4 +96,5 @@ function Set() {
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/remove-an-element-from-a-max-heap.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/remove-an-element-from-a-max-heap.chinese.md
index afcceb1709..ca54744a48 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/remove-an-element-from-a-max-heap.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/remove-an-element-from-a-max-heap.chinese.md
@@ -58,4 +58,5 @@ var MaxHeap = function() {
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/remove-elements-from-a-linked-list-by-index.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/remove-elements-from-a-linked-list-by-index.chinese.md
index 8a5eed18f6..c24f093933 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/remove-elements-from-a-linked-list-by-index.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/remove-elements-from-a-linked-list-by-index.chinese.md
@@ -108,4 +108,5 @@ function LinkedList() {
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/remove-elements-from-a-linked-list.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/remove-elements-from-a-linked-list.chinese.md
index 1d2c26939f..d34312a4e5 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/remove-elements-from-a-linked-list.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/remove-elements-from-a-linked-list.chinese.md
@@ -91,4 +91,5 @@ function LinkedList() {
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/remove-items-from-a-set-in-es6.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/remove-items-from-a-set-in-es6.chinese.md
index fbcf899e84..e7d0b9dde0 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/remove-items-from-a-set-in-es6.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/remove-items-from-a-set-in-es6.chinese.md
@@ -52,4 +52,5 @@ function checkSet(){
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/reverse-a-doubly-linked-list.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/reverse-a-doubly-linked-list.chinese.md
index a2487c007f..c1542b3986 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/reverse-a-doubly-linked-list.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/reverse-a-doubly-linked-list.chinese.md
@@ -75,4 +75,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/search-within-a-linked-list.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/search-within-a-linked-list.chinese.md
index cb98813961..7f6531507f 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/search-within-a-linked-list.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/search-within-a-linked-list.chinese.md
@@ -108,4 +108,5 @@ function LinkedList() {
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/typed-arrays.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/typed-arrays.chinese.md
index 0358003882..3dd657a421 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/typed-arrays.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/typed-arrays.chinese.md
@@ -51,4 +51,5 @@ var i32View;
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/use-.has-and-.size-on-an-es6-set.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/use-.has-and-.size-on-an-es6-set.chinese.md
index d143c487c7..3c8182b7d5 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/use-.has-and-.size-on-an-es6-set.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/use-.has-and-.size-on-an-es6-set.chinese.md
@@ -54,4 +54,5 @@ checkSet([ 1, 2, 3], 2); // Should return [ true, 3 ]
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/use-breadth-first-search-in-a-binary-search-tree.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/use-breadth-first-search-in-a-binary-search-tree.chinese.md
index 1a05daf677..e55cf99f0c 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/use-breadth-first-search-in-a-binary-search-tree.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/use-breadth-first-search-in-a-binary-search-tree.chinese.md
@@ -77,4 +77,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/use-depth-first-search-in-a-binary-search-tree.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/use-depth-first-search-in-a-binary-search-tree.chinese.md
index 68c99f5e88..25497f86cc 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/use-depth-first-search-in-a-binary-search-tree.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/use-depth-first-search-in-a-binary-search-tree.chinese.md
@@ -83,4 +83,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/use-spread-and-notes-for-es5-set-integration.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/use-spread-and-notes-for-es5-set-integration.chinese.md
index c37f1cd67c..e0c9a00f13 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/use-spread-and-notes-for-es5-set-integration.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/use-spread-and-notes-for-es5-set-integration.chinese.md
@@ -50,4 +50,5 @@ function checkSet(set){
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/work-with-nodes-in-a-linked-list.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/work-with-nodes-in-a-linked-list.chinese.md
index bafc43fba4..c82e762e2b 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/work-with-nodes-in-a-linked-list.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/data-structures/work-with-nodes-in-a-linked-list.chinese.md
@@ -59,4 +59,5 @@ console.log(Kitten.next);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-1-multiples-of-3-and-5.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-1-multiples-of-3-and-5.chinese.md
index 706376590f..b0db083bd3 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-1-multiples-of-3-and-5.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-1-multiples-of-3-and-5.chinese.md
@@ -61,4 +61,5 @@ multiplesOf3and5(1000);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-10-summation-of-primes.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-10-summation-of-primes.chinese.md
index a3ee3f05b2..8db8926694 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-10-summation-of-primes.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-10-summation-of-primes.chinese.md
@@ -58,4 +58,5 @@ primeSummation(2000000);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-100-arranged-probability.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-100-arranged-probability.chinese.md
index d43a17c573..72a0931888 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-100-arranged-probability.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-100-arranged-probability.chinese.md
@@ -52,4 +52,5 @@ euler100();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-101-optimum-polynomial.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-101-optimum-polynomial.chinese.md
index 2b6baff8f8..8f8f541de1 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-101-optimum-polynomial.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-101-optimum-polynomial.chinese.md
@@ -52,4 +52,5 @@ euler101();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-102-triangle-containment.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-102-triangle-containment.chinese.md
index f2b3a31735..2cab5db0aa 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-102-triangle-containment.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-102-triangle-containment.chinese.md
@@ -52,4 +52,5 @@ euler102();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-103-special-subset-sums-optimum.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-103-special-subset-sums-optimum.chinese.md
index 29c877a6e9..831692557d 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-103-special-subset-sums-optimum.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-103-special-subset-sums-optimum.chinese.md
@@ -52,4 +52,5 @@ euler103();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-104-pandigital-fibonacci-ends.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-104-pandigital-fibonacci-ends.chinese.md
index a98695ebaa..f17db7b7ac 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-104-pandigital-fibonacci-ends.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-104-pandigital-fibonacci-ends.chinese.md
@@ -52,4 +52,5 @@ euler104();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-105-special-subset-sums-testing.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-105-special-subset-sums-testing.chinese.md
index 0fe6a04912..094d6f4f8f 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-105-special-subset-sums-testing.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-105-special-subset-sums-testing.chinese.md
@@ -52,4 +52,5 @@ euler105();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-106-special-subset-sums-meta-testing.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-106-special-subset-sums-meta-testing.chinese.md
index 380f9277d6..5448c13f2d 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-106-special-subset-sums-meta-testing.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-106-special-subset-sums-meta-testing.chinese.md
@@ -52,4 +52,5 @@ euler106();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-107-minimal-network.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-107-minimal-network.chinese.md
index 980b642178..82b5c426b7 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-107-minimal-network.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-107-minimal-network.chinese.md
@@ -52,4 +52,5 @@ euler107();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-108-diophantine-reciprocals-i.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-108-diophantine-reciprocals-i.chinese.md
index 5d0a7c82c9..c4b97240c6 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-108-diophantine-reciprocals-i.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-108-diophantine-reciprocals-i.chinese.md
@@ -52,4 +52,5 @@ diophantineOne();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-109-darts.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-109-darts.chinese.md
index f546364189..3848d8e20e 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-109-darts.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-109-darts.chinese.md
@@ -52,4 +52,5 @@ euler109();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-11-largest-product-in-a-grid.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-11-largest-product-in-a-grid.chinese.md
index d594a3cfc7..135ed191ad 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-11-largest-product-in-a-grid.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-11-largest-product-in-a-grid.chinese.md
@@ -86,4 +86,5 @@ largestGridProduct(testGrid);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-110-diophantine-reciprocals-ii.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-110-diophantine-reciprocals-ii.chinese.md
index c6b04ed857..59b66972ab 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-110-diophantine-reciprocals-ii.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-110-diophantine-reciprocals-ii.chinese.md
@@ -52,4 +52,5 @@ diophantineTwo();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-111-primes-with-runs.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-111-primes-with-runs.chinese.md
index 5f54ad474a..a96530f8b1 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-111-primes-with-runs.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-111-primes-with-runs.chinese.md
@@ -52,4 +52,5 @@ euler111();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-112-bouncy-numbers.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-112-bouncy-numbers.chinese.md
index 8f07627e60..84b0788dd6 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-112-bouncy-numbers.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-112-bouncy-numbers.chinese.md
@@ -52,4 +52,5 @@ euler112();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-113-non-bouncy-numbers.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-113-non-bouncy-numbers.chinese.md
index 748d3ec862..d35f3f7ff3 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-113-non-bouncy-numbers.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-113-non-bouncy-numbers.chinese.md
@@ -52,4 +52,5 @@ euler113();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-114-counting-block-combinations-i.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-114-counting-block-combinations-i.chinese.md
index 6e4cbe4922..86dc980421 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-114-counting-block-combinations-i.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-114-counting-block-combinations-i.chinese.md
@@ -52,4 +52,5 @@ euler114();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-115-counting-block-combinations-ii.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-115-counting-block-combinations-ii.chinese.md
index 78914b370e..e595a86640 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-115-counting-block-combinations-ii.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-115-counting-block-combinations-ii.chinese.md
@@ -52,4 +52,5 @@ euler115();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-116-red-green-or-blue-tiles.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-116-red-green-or-blue-tiles.chinese.md
index 185d8efdf1..6cc259cb36 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-116-red-green-or-blue-tiles.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-116-red-green-or-blue-tiles.chinese.md
@@ -52,4 +52,5 @@ euler116();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-117-red-green-and-blue-tiles.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-117-red-green-and-blue-tiles.chinese.md
index 4e832a5780..dc4224578a 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-117-red-green-and-blue-tiles.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-117-red-green-and-blue-tiles.chinese.md
@@ -52,4 +52,5 @@ euler117();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-118-pandigital-prime-sets.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-118-pandigital-prime-sets.chinese.md
index 6dde2358c0..20bb337ff0 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-118-pandigital-prime-sets.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-118-pandigital-prime-sets.chinese.md
@@ -52,4 +52,5 @@ euler118();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-119-digit-power-sum.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-119-digit-power-sum.chinese.md
index ffa1eeded6..b7b2365902 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-119-digit-power-sum.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-119-digit-power-sum.chinese.md
@@ -52,4 +52,5 @@ euler119();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-12-highly-divisible-triangular-number.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-12-highly-divisible-triangular-number.chinese.md
index bfc581d4d5..0fe310a666 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-12-highly-divisible-triangular-number.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-12-highly-divisible-triangular-number.chinese.md
@@ -60,4 +60,5 @@ divisibleTriangleNumber(500);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-120-square-remainders.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-120-square-remainders.chinese.md
index e58e5ef65e..b84448db6a 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-120-square-remainders.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-120-square-remainders.chinese.md
@@ -52,4 +52,5 @@ euler120();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-121-disc-game-prize-fund.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-121-disc-game-prize-fund.chinese.md
index 7f144effa1..c812b2d0a2 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-121-disc-game-prize-fund.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-121-disc-game-prize-fund.chinese.md
@@ -52,4 +52,5 @@ euler121();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-122-efficient-exponentiation.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-122-efficient-exponentiation.chinese.md
index 3983de6353..b13fcfa78a 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-122-efficient-exponentiation.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-122-efficient-exponentiation.chinese.md
@@ -52,4 +52,5 @@ euler122();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-123-prime-square-remainders.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-123-prime-square-remainders.chinese.md
index 9a9e7a0f44..46dbbf0a83 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-123-prime-square-remainders.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-123-prime-square-remainders.chinese.md
@@ -52,4 +52,5 @@ euler123();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-124-ordered-radicals.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-124-ordered-radicals.chinese.md
index 78e1e3226e..d352fe91da 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-124-ordered-radicals.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-124-ordered-radicals.chinese.md
@@ -52,4 +52,5 @@ euler124();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-125-palindromic-sums.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-125-palindromic-sums.chinese.md
index c26deee105..1344cf6d2f 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-125-palindromic-sums.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-125-palindromic-sums.chinese.md
@@ -52,4 +52,5 @@ euler125();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-126-cuboid-layers.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-126-cuboid-layers.chinese.md
index 9aa4fc2756..9380bd386b 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-126-cuboid-layers.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-126-cuboid-layers.chinese.md
@@ -52,4 +52,5 @@ euler126();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-127-abc-hits.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-127-abc-hits.chinese.md
index f06dcdbee3..ad680e259f 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-127-abc-hits.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-127-abc-hits.chinese.md
@@ -52,4 +52,5 @@ euler127();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-128-hexagonal-tile-differences.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-128-hexagonal-tile-differences.chinese.md
index 5e75995e4d..426cdbf926 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-128-hexagonal-tile-differences.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-128-hexagonal-tile-differences.chinese.md
@@ -52,4 +52,5 @@ euler128();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-129-repunit-divisibility.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-129-repunit-divisibility.chinese.md
index 7d6e434c3d..402f30c382 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-129-repunit-divisibility.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-129-repunit-divisibility.chinese.md
@@ -52,4 +52,5 @@ euler129();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-13-large-sum.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-13-large-sum.chinese.md
index a4a9e9e19b..0cf841d7ec 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-13-large-sum.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-13-large-sum.chinese.md
@@ -176,4 +176,5 @@ const testNums = [
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-130-composites-with-prime-repunit-property.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-130-composites-with-prime-repunit-property.chinese.md
index a483c5606c..bfce23b3b6 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-130-composites-with-prime-repunit-property.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-130-composites-with-prime-repunit-property.chinese.md
@@ -52,4 +52,5 @@ euler130();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-131-prime-cube-partnership.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-131-prime-cube-partnership.chinese.md
index ac62739f46..c2c8bda6ef 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-131-prime-cube-partnership.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-131-prime-cube-partnership.chinese.md
@@ -52,4 +52,5 @@ euler131();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-132-large-repunit-factors.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-132-large-repunit-factors.chinese.md
index 13e841649b..db6bf58f3f 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-132-large-repunit-factors.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-132-large-repunit-factors.chinese.md
@@ -52,4 +52,5 @@ euler132();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-133-repunit-nonfactors.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-133-repunit-nonfactors.chinese.md
index 0e1d7aa9f1..12b8eaf482 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-133-repunit-nonfactors.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-133-repunit-nonfactors.chinese.md
@@ -52,4 +52,5 @@ euler133();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-134-prime-pair-connection.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-134-prime-pair-connection.chinese.md
index 0683d45525..9bc1db338c 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-134-prime-pair-connection.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-134-prime-pair-connection.chinese.md
@@ -52,4 +52,5 @@ euler134();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-135-same-differences.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-135-same-differences.chinese.md
index fa1597c5e5..510414ea0f 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-135-same-differences.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-135-same-differences.chinese.md
@@ -52,4 +52,5 @@ euler135();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-136-singleton-difference.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-136-singleton-difference.chinese.md
index 83b33a121a..b96d32ce1f 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-136-singleton-difference.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-136-singleton-difference.chinese.md
@@ -52,4 +52,5 @@ euler136();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-137-fibonacci-golden-nuggets.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-137-fibonacci-golden-nuggets.chinese.md
index a4b3013606..cf5dceb690 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-137-fibonacci-golden-nuggets.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-137-fibonacci-golden-nuggets.chinese.md
@@ -52,4 +52,5 @@ euler137();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-138-special-isosceles-triangles.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-138-special-isosceles-triangles.chinese.md
index fa05065702..f93ab8027c 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-138-special-isosceles-triangles.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-138-special-isosceles-triangles.chinese.md
@@ -52,4 +52,5 @@ euler138();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-139-pythagorean-tiles.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-139-pythagorean-tiles.chinese.md
index 4102b194bb..3decee55a9 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-139-pythagorean-tiles.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-139-pythagorean-tiles.chinese.md
@@ -52,4 +52,5 @@ euler139();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-14-longest-collatz-sequence.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-14-longest-collatz-sequence.chinese.md
index 0d99baad12..c2940169c8 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-14-longest-collatz-sequence.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-14-longest-collatz-sequence.chinese.md
@@ -60,4 +60,5 @@ longestCollatzSequence(14);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-140-modified-fibonacci-golden-nuggets.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-140-modified-fibonacci-golden-nuggets.chinese.md
index 2d39afc494..1b49850bc5 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-140-modified-fibonacci-golden-nuggets.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-140-modified-fibonacci-golden-nuggets.chinese.md
@@ -52,4 +52,5 @@ euler140();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-141-investigating-progressive-numbers-n-which-are-also-square.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-141-investigating-progressive-numbers-n-which-are-also-square.chinese.md
index 91403c00a1..56390e65ce 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-141-investigating-progressive-numbers-n-which-are-also-square.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-141-investigating-progressive-numbers-n-which-are-also-square.chinese.md
@@ -52,4 +52,5 @@ euler141();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-142-perfect-square-collection.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-142-perfect-square-collection.chinese.md
index f7720962b8..5ee380c7eb 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-142-perfect-square-collection.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-142-perfect-square-collection.chinese.md
@@ -52,4 +52,5 @@ euler142();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-143-investigating-the-torricelli-point-of-a-triangle.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-143-investigating-the-torricelli-point-of-a-triangle.chinese.md
index 129fc3f166..590e982bd5 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-143-investigating-the-torricelli-point-of-a-triangle.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-143-investigating-the-torricelli-point-of-a-triangle.chinese.md
@@ -52,4 +52,5 @@ euler143();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-144-investigating-multiple-reflections-of-a-laser-beam.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-144-investigating-multiple-reflections-of-a-laser-beam.chinese.md
index 8a43c47fdd..6cf9269b97 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-144-investigating-multiple-reflections-of-a-laser-beam.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-144-investigating-multiple-reflections-of-a-laser-beam.chinese.md
@@ -52,4 +52,5 @@ euler144();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-145-how-many-reversible-numbers-are-there-below-one-billion.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-145-how-many-reversible-numbers-are-there-below-one-billion.chinese.md
index 0b5cc0beb0..dbd834277d 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-145-how-many-reversible-numbers-are-there-below-one-billion.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-145-how-many-reversible-numbers-are-there-below-one-billion.chinese.md
@@ -52,4 +52,5 @@ euler145();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-146-investigating-a-prime-pattern.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-146-investigating-a-prime-pattern.chinese.md
index 75bb460ff6..f580537148 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-146-investigating-a-prime-pattern.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-146-investigating-a-prime-pattern.chinese.md
@@ -56,4 +56,5 @@ euler146();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-147-rectangles-in-cross-hatched-grids.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-147-rectangles-in-cross-hatched-grids.chinese.md
index 0739cda68c..9cd8144778 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-147-rectangles-in-cross-hatched-grids.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-147-rectangles-in-cross-hatched-grids.chinese.md
@@ -52,4 +52,5 @@ euler147();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-148-exploring-pascals-triangle.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-148-exploring-pascals-triangle.chinese.md
index 0e4d372f9e..bc88e7722a 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-148-exploring-pascals-triangle.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-148-exploring-pascals-triangle.chinese.md
@@ -52,4 +52,5 @@ euler148();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-149-searching-for-a-maximum-sum-subsequence.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-149-searching-for-a-maximum-sum-subsequence.chinese.md
index e87195f8a2..daa37fff87 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-149-searching-for-a-maximum-sum-subsequence.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-149-searching-for-a-maximum-sum-subsequence.chinese.md
@@ -70,4 +70,5 @@ euler149();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-15-lattice-paths.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-15-lattice-paths.chinese.md
index 4aaa06e462..05228f7a53 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-15-lattice-paths.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-15-lattice-paths.chinese.md
@@ -56,4 +56,5 @@ latticePaths(4);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-150-searching-a-triangular-array-for-a-sub-triangle-having-minimum-sum.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-150-searching-a-triangular-array-for-a-sub-triangle-having-minimum-sum.chinese.md
index db0d9050b0..08a1ce05c1 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-150-searching-a-triangular-array-for-a-sub-triangle-having-minimum-sum.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-150-searching-a-triangular-array-for-a-sub-triangle-having-minimum-sum.chinese.md
@@ -52,4 +52,5 @@ euler150();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-151-paper-sheets-of-standard-sizes-an-expected-value-problem.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-151-paper-sheets-of-standard-sizes-an-expected-value-problem.chinese.md
index 26ea99e57e..d4554bf47c 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-151-paper-sheets-of-standard-sizes-an-expected-value-problem.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-151-paper-sheets-of-standard-sizes-an-expected-value-problem.chinese.md
@@ -52,4 +52,5 @@ euler151();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-152-writing-one-half-as-a-sum-of-inverse-squares.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-152-writing-one-half-as-a-sum-of-inverse-squares.chinese.md
index 03ab3b49c4..11cbd6a459 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-152-writing-one-half-as-a-sum-of-inverse-squares.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-152-writing-one-half-as-a-sum-of-inverse-squares.chinese.md
@@ -58,4 +58,5 @@ euler152();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-153-investigating-gaussian-integers.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-153-investigating-gaussian-integers.chinese.md
index 706afcab44..a729369fa2 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-153-investigating-gaussian-integers.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-153-investigating-gaussian-integers.chinese.md
@@ -52,4 +52,5 @@ euler153();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-154-exploring-pascals-pyramid.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-154-exploring-pascals-pyramid.chinese.md
index 0464dea39a..74235f7002 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-154-exploring-pascals-pyramid.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-154-exploring-pascals-pyramid.chinese.md
@@ -52,4 +52,5 @@ euler154();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-155-counting-capacitor-circuits.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-155-counting-capacitor-circuits.chinese.md
index 8361e42da9..6469c92524 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-155-counting-capacitor-circuits.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-155-counting-capacitor-circuits.chinese.md
@@ -52,4 +52,5 @@ euler155();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-156-counting-digits.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-156-counting-digits.chinese.md
index 9de0bf3929..98b67099fb 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-156-counting-digits.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-156-counting-digits.chinese.md
@@ -52,4 +52,5 @@ euler156();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-157-solving-the-diophantine-equation.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-157-solving-the-diophantine-equation.chinese.md
index 9c764295d4..8ffb396ea0 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-157-solving-the-diophantine-equation.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-157-solving-the-diophantine-equation.chinese.md
@@ -77,4 +77,5 @@ euler157();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-158-exploring-strings-for-which-only-one-character-comes-lexicographically-after-its-neighbour-to-the-left.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-158-exploring-strings-for-which-only-one-character-comes-lexicographically-after-its-neighbour-to-the-left.chinese.md
index 55725a2201..94cf868048 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-158-exploring-strings-for-which-only-one-character-comes-lexicographically-after-its-neighbour-to-the-left.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-158-exploring-strings-for-which-only-one-character-comes-lexicographically-after-its-neighbour-to-the-left.chinese.md
@@ -52,4 +52,5 @@ euler158();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-159-digital-root-sums-of-factorisations.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-159-digital-root-sums-of-factorisations.chinese.md
index 7731800745..8ecb619ae2 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-159-digital-root-sums-of-factorisations.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-159-digital-root-sums-of-factorisations.chinese.md
@@ -52,4 +52,5 @@ euler159();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-16-power-digit-sum.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-16-power-digit-sum.chinese.md
index a69eec504a..9b4d0f2b4b 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-16-power-digit-sum.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-16-power-digit-sum.chinese.md
@@ -59,4 +59,5 @@ powerDigitSum(15);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-160-factorial-trailing-digits.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-160-factorial-trailing-digits.chinese.md
index 801844fdc3..cb57e225db 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-160-factorial-trailing-digits.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-160-factorial-trailing-digits.chinese.md
@@ -52,4 +52,5 @@ euler160();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-161-triominoes.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-161-triominoes.chinese.md
index a15072eb22..61ad076ddc 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-161-triominoes.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-161-triominoes.chinese.md
@@ -52,4 +52,5 @@ euler161();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-162-hexadecimal-numbers.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-162-hexadecimal-numbers.chinese.md
index edbb5d3031..55235c99f0 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-162-hexadecimal-numbers.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-162-hexadecimal-numbers.chinese.md
@@ -52,4 +52,5 @@ euler162();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-163-cross-hatched-triangles.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-163-cross-hatched-triangles.chinese.md
index 410fb635d7..40b59181ee 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-163-cross-hatched-triangles.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-163-cross-hatched-triangles.chinese.md
@@ -52,4 +52,5 @@ euler163();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-164-numbers-for-which-no-three-consecutive-digits-have-a-sum-greater-than-a-given-value.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-164-numbers-for-which-no-three-consecutive-digits-have-a-sum-greater-than-a-given-value.chinese.md
index 96ad572a23..4274d9f93d 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-164-numbers-for-which-no-three-consecutive-digits-have-a-sum-greater-than-a-given-value.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-164-numbers-for-which-no-three-consecutive-digits-have-a-sum-greater-than-a-given-value.chinese.md
@@ -52,4 +52,5 @@ euler164();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-165-intersections.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-165-intersections.chinese.md
index 3daf3a62a6..abe2693aae 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-165-intersections.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-165-intersections.chinese.md
@@ -52,4 +52,5 @@ euler165();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-166-criss-cross.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-166-criss-cross.chinese.md
index 90489a2958..0c26e1be54 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-166-criss-cross.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-166-criss-cross.chinese.md
@@ -52,4 +52,5 @@ euler166();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-167-investigating-ulam-sequences.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-167-investigating-ulam-sequences.chinese.md
index d31914040f..e0560f0213 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-167-investigating-ulam-sequences.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-167-investigating-ulam-sequences.chinese.md
@@ -52,4 +52,5 @@ euler167();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-168-number-rotations.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-168-number-rotations.chinese.md
index ef8ef8f524..c9dd0149b7 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-168-number-rotations.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-168-number-rotations.chinese.md
@@ -52,4 +52,5 @@ euler168();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-169-exploring-the-number-of-different-ways-a-number-can-be-expressed-as-a-sum-of-powers-of-2.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-169-exploring-the-number-of-different-ways-a-number-can-be-expressed-as-a-sum-of-powers-of-2.chinese.md
index b26f2ee29b..32e9d34d78 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-169-exploring-the-number-of-different-ways-a-number-can-be-expressed-as-a-sum-of-powers-of-2.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-169-exploring-the-number-of-different-ways-a-number-can-be-expressed-as-a-sum-of-powers-of-2.chinese.md
@@ -52,4 +52,5 @@ euler169();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-17-number-letter-counts.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-17-number-letter-counts.chinese.md
index 96c00af696..b8b71ae3e4 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-17-number-letter-counts.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-17-number-letter-counts.chinese.md
@@ -56,4 +56,5 @@ numberLetterCounts(5);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-170-find-the-largest-0-to-9-pandigital-that-can-be-formed-by-concatenating-products.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-170-find-the-largest-0-to-9-pandigital-that-can-be-formed-by-concatenating-products.chinese.md
index 642702f182..ea2cdda83f 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-170-find-the-largest-0-to-9-pandigital-that-can-be-formed-by-concatenating-products.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-170-find-the-largest-0-to-9-pandigital-that-can-be-formed-by-concatenating-products.chinese.md
@@ -52,4 +52,5 @@ euler170();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-171-finding-numbers-for-which-the-sum-of-the-squares-of-the-digits-is-a-square.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-171-finding-numbers-for-which-the-sum-of-the-squares-of-the-digits-is-a-square.chinese.md
index e31899d296..584910091c 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-171-finding-numbers-for-which-the-sum-of-the-squares-of-the-digits-is-a-square.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-171-finding-numbers-for-which-the-sum-of-the-squares-of-the-digits-is-a-square.chinese.md
@@ -52,4 +52,5 @@ euler171();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-172-investigating-numbers-with-few-repeated-digits.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-172-investigating-numbers-with-few-repeated-digits.chinese.md
index 9c341f841f..5ea0ac5954 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-172-investigating-numbers-with-few-repeated-digits.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-172-investigating-numbers-with-few-repeated-digits.chinese.md
@@ -52,4 +52,5 @@ euler172();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-173-using-up-to-one-million-tiles-how-many-different-hollow-square-laminae-can-be-formed.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-173-using-up-to-one-million-tiles-how-many-different-hollow-square-laminae-can-be-formed.chinese.md
index e1d66ecef4..be2f21cc2e 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-173-using-up-to-one-million-tiles-how-many-different-hollow-square-laminae-can-be-formed.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-173-using-up-to-one-million-tiles-how-many-different-hollow-square-laminae-can-be-formed.chinese.md
@@ -52,4 +52,5 @@ euler173();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-174-counting-the-number-of-hollow-square-laminae-that-can-form-one-two-three-...-distinct-arrangements.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-174-counting-the-number-of-hollow-square-laminae-that-can-form-one-two-three-...-distinct-arrangements.chinese.md
index 57d29143c6..bdeb40bb1b 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-174-counting-the-number-of-hollow-square-laminae-that-can-form-one-two-three-...-distinct-arrangements.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-174-counting-the-number-of-hollow-square-laminae-that-can-form-one-two-three-...-distinct-arrangements.chinese.md
@@ -52,4 +52,5 @@ euler174();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-175-fractions-involving-the-number-of-different-ways-a-number-can-be-expressed-as-a-sum-of-powers-of-2.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-175-fractions-involving-the-number-of-different-ways-a-number-can-be-expressed-as-a-sum-of-powers-of-2.chinese.md
index 0bf6501989..e55e16488f 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-175-fractions-involving-the-number-of-different-ways-a-number-can-be-expressed-as-a-sum-of-powers-of-2.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-175-fractions-involving-the-number-of-different-ways-a-number-can-be-expressed-as-a-sum-of-powers-of-2.chinese.md
@@ -52,4 +52,5 @@ euler175();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-176-right-angled-triangles-that-share-a-cathetus.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-176-right-angled-triangles-that-share-a-cathetus.chinese.md
index 20614c205a..d2a433b650 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-176-right-angled-triangles-that-share-a-cathetus.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-176-right-angled-triangles-that-share-a-cathetus.chinese.md
@@ -52,4 +52,5 @@ euler176();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-177-integer-angled-quadrilaterals.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-177-integer-angled-quadrilaterals.chinese.md
index 17f9c05c0e..9345c56519 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-177-integer-angled-quadrilaterals.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-177-integer-angled-quadrilaterals.chinese.md
@@ -52,4 +52,5 @@ euler177();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-178-step-numbers.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-178-step-numbers.chinese.md
index 59ec0f3f88..477b15ba53 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-178-step-numbers.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-178-step-numbers.chinese.md
@@ -52,4 +52,5 @@ euler178();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-179-consecutive-positive-divisors.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-179-consecutive-positive-divisors.chinese.md
index e32b193ae0..26a8697f78 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-179-consecutive-positive-divisors.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-179-consecutive-positive-divisors.chinese.md
@@ -52,4 +52,5 @@ euler179();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-18-maximum-path-sum-i.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-18-maximum-path-sum-i.chinese.md
index 70387ad34a..6cf7f4cca8 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-18-maximum-path-sum-i.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-18-maximum-path-sum-i.chinese.md
@@ -68,4 +68,5 @@ const numTriangle = [[75, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], [95, 64, 0,
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-180-rational-zeros-of-a-function-of-three-variables.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-180-rational-zeros-of-a-function-of-three-variables.chinese.md
index 095b8df3ad..1a78805cdd 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-180-rational-zeros-of-a-function-of-three-variables.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-180-rational-zeros-of-a-function-of-three-variables.chinese.md
@@ -52,4 +52,5 @@ euler180();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-181-investigating-in-how-many-ways-objects-of-two-different-colours-can-be-grouped.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-181-investigating-in-how-many-ways-objects-of-two-different-colours-can-be-grouped.chinese.md
index c2424e7226..1ff860f84f 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-181-investigating-in-how-many-ways-objects-of-two-different-colours-can-be-grouped.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-181-investigating-in-how-many-ways-objects-of-two-different-colours-can-be-grouped.chinese.md
@@ -52,4 +52,5 @@ euler181();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-182-rsa-encryption.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-182-rsa-encryption.chinese.md
index 7546c402f3..51d87c2fca 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-182-rsa-encryption.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-182-rsa-encryption.chinese.md
@@ -52,4 +52,5 @@ euler182();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-183-maximum-product-of-parts.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-183-maximum-product-of-parts.chinese.md
index 4587974dac..01e4c0d2f3 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-183-maximum-product-of-parts.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-183-maximum-product-of-parts.chinese.md
@@ -52,4 +52,5 @@ euler183();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-184-triangles-containing-the-origin.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-184-triangles-containing-the-origin.chinese.md
index 7b7ff99cc2..693f252f86 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-184-triangles-containing-the-origin.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-184-triangles-containing-the-origin.chinese.md
@@ -52,4 +52,5 @@ euler184();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-185-number-mind.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-185-number-mind.chinese.md
index a713289e2a..0f5c02ce94 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-185-number-mind.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-185-number-mind.chinese.md
@@ -52,4 +52,5 @@ euler185();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-186-connectedness-of-a-network.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-186-connectedness-of-a-network.chinese.md
index 3a1c52eedf..59d95fc45a 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-186-connectedness-of-a-network.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-186-connectedness-of-a-network.chinese.md
@@ -52,4 +52,5 @@ euler186();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-187-semiprimes.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-187-semiprimes.chinese.md
index 3cd98b1189..c67f51a0ea 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-187-semiprimes.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-187-semiprimes.chinese.md
@@ -52,4 +52,5 @@ euler187();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-188-the-hyperexponentiation-of-a-number.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-188-the-hyperexponentiation-of-a-number.chinese.md
index d8159b8e82..f2bdc9d6f4 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-188-the-hyperexponentiation-of-a-number.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-188-the-hyperexponentiation-of-a-number.chinese.md
@@ -52,4 +52,5 @@ euler188();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-189-tri-colouring-a-triangular-grid.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-189-tri-colouring-a-triangular-grid.chinese.md
index 322b356e8f..a10e7f5c70 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-189-tri-colouring-a-triangular-grid.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-189-tri-colouring-a-triangular-grid.chinese.md
@@ -52,4 +52,5 @@ euler189();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-19-counting-sundays.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-19-counting-sundays.chinese.md
index e0b3f352e6..a836036a09 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-19-counting-sundays.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-19-counting-sundays.chinese.md
@@ -56,4 +56,5 @@ countingSundays(1943, 1946);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-190-maximising-a-weighted-product.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-190-maximising-a-weighted-product.chinese.md
index 3c2e37dee4..3343417e39 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-190-maximising-a-weighted-product.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-190-maximising-a-weighted-product.chinese.md
@@ -52,4 +52,5 @@ euler190();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-191-prize-strings.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-191-prize-strings.chinese.md
index 0f94b1f904..22698fc5be 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-191-prize-strings.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-191-prize-strings.chinese.md
@@ -52,4 +52,5 @@ euler191();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-192-best-approximations.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-192-best-approximations.chinese.md
index 7468d066bb..08a420035a 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-192-best-approximations.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-192-best-approximations.chinese.md
@@ -52,4 +52,5 @@ euler192();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-193-squarefree-numbers.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-193-squarefree-numbers.chinese.md
index 4e9109b7db..166a5cce02 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-193-squarefree-numbers.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-193-squarefree-numbers.chinese.md
@@ -52,4 +52,5 @@ euler193();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-194-coloured-configurations.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-194-coloured-configurations.chinese.md
index 88341c6990..77889da266 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-194-coloured-configurations.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-194-coloured-configurations.chinese.md
@@ -52,4 +52,5 @@ euler194();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-195-inscribed-circles-of-triangles-with-one-angle-of-60-degrees.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-195-inscribed-circles-of-triangles-with-one-angle-of-60-degrees.chinese.md
index 651520f6a4..5664a6423d 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-195-inscribed-circles-of-triangles-with-one-angle-of-60-degrees.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-195-inscribed-circles-of-triangles-with-one-angle-of-60-degrees.chinese.md
@@ -52,4 +52,5 @@ euler195();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-196-prime-triplets.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-196-prime-triplets.chinese.md
index 563f6e90d0..caf9d89509 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-196-prime-triplets.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-196-prime-triplets.chinese.md
@@ -52,4 +52,5 @@ euler196();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-197-investigating-the-behaviour-of-a-recursively-defined-sequence.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-197-investigating-the-behaviour-of-a-recursively-defined-sequence.chinese.md
index 0bf7471f94..9e50b999bb 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-197-investigating-the-behaviour-of-a-recursively-defined-sequence.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-197-investigating-the-behaviour-of-a-recursively-defined-sequence.chinese.md
@@ -52,4 +52,5 @@ euler197();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-198-ambiguous-numbers.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-198-ambiguous-numbers.chinese.md
index 78d3e01ecc..6be0cd04b7 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-198-ambiguous-numbers.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-198-ambiguous-numbers.chinese.md
@@ -52,4 +52,5 @@ euler198();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-199-iterative-circle-packing.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-199-iterative-circle-packing.chinese.md
index 748ed55449..03f9adba9f 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-199-iterative-circle-packing.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-199-iterative-circle-packing.chinese.md
@@ -52,4 +52,5 @@ euler199();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-2-even-fibonacci-numbers.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-2-even-fibonacci-numbers.chinese.md
index 278e5b5c36..09e84009c4 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-2-even-fibonacci-numbers.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-2-even-fibonacci-numbers.chinese.md
@@ -64,4 +64,5 @@ fiboEvenSum(10);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-20-factorial-digit-sum.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-20-factorial-digit-sum.chinese.md
index f737d10845..b23cb91438 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-20-factorial-digit-sum.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-20-factorial-digit-sum.chinese.md
@@ -60,4 +60,5 @@ sumFactorialDigits(100);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-200-find-the-200th-prime-proof-sqube-containing-the-contiguous-sub-string-200.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-200-find-the-200th-prime-proof-sqube-containing-the-contiguous-sub-string-200.chinese.md
index fab987d33f..f70f2753fa 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-200-find-the-200th-prime-proof-sqube-containing-the-contiguous-sub-string-200.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-200-find-the-200th-prime-proof-sqube-containing-the-contiguous-sub-string-200.chinese.md
@@ -52,4 +52,5 @@ euler200();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-201-subsets-with-a-unique-sum.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-201-subsets-with-a-unique-sum.chinese.md
index 34019685b5..c73890c47a 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-201-subsets-with-a-unique-sum.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-201-subsets-with-a-unique-sum.chinese.md
@@ -52,4 +52,5 @@ euler201();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-202-laserbeam.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-202-laserbeam.chinese.md
index 1952d0bc8f..5450e9fce7 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-202-laserbeam.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-202-laserbeam.chinese.md
@@ -52,4 +52,5 @@ euler202();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-203-squarefree-binomial-coefficients.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-203-squarefree-binomial-coefficients.chinese.md
index 151955577a..34cb6924ba 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-203-squarefree-binomial-coefficients.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-203-squarefree-binomial-coefficients.chinese.md
@@ -52,4 +52,5 @@ euler203();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-204-generalised-hamming-numbers.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-204-generalised-hamming-numbers.chinese.md
index 549094610d..9cbd748c8c 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-204-generalised-hamming-numbers.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-204-generalised-hamming-numbers.chinese.md
@@ -61,4 +61,5 @@ euler204();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-205-dice-game.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-205-dice-game.chinese.md
index eef44d4f04..b5df5a3151 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-205-dice-game.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-205-dice-game.chinese.md
@@ -52,4 +52,5 @@ euler205();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-206-concealed-square.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-206-concealed-square.chinese.md
index 8a60970b27..346c962ccf 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-206-concealed-square.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-206-concealed-square.chinese.md
@@ -52,4 +52,5 @@ euler206();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-207-integer-partition-equations.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-207-integer-partition-equations.chinese.md
index 37af5079d9..48075c765e 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-207-integer-partition-equations.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-207-integer-partition-equations.chinese.md
@@ -52,4 +52,5 @@ euler207();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-208-robot-walks.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-208-robot-walks.chinese.md
index fda8d4f499..0116be9569 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-208-robot-walks.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-208-robot-walks.chinese.md
@@ -52,4 +52,5 @@ euler208();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-209-circular-logic.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-209-circular-logic.chinese.md
index f55c6e8750..bc2015b7d2 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-209-circular-logic.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-209-circular-logic.chinese.md
@@ -52,4 +52,5 @@ euler209();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-21-amicable-numbers.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-21-amicable-numbers.chinese.md
index 353c31d1b1..d572d895de 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-21-amicable-numbers.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-21-amicable-numbers.chinese.md
@@ -58,4 +58,5 @@ sumAmicableNum(10000);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-210-obtuse-angled-triangles.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-210-obtuse-angled-triangles.chinese.md
index 59ab917cdf..f4674fabd9 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-210-obtuse-angled-triangles.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-210-obtuse-angled-triangles.chinese.md
@@ -52,4 +52,5 @@ euler210();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-211-divisor-square-sum.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-211-divisor-square-sum.chinese.md
index b36394c4c7..1fc0fc3728 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-211-divisor-square-sum.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-211-divisor-square-sum.chinese.md
@@ -52,4 +52,5 @@ euler211();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-212-combined-volume-of-cuboids.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-212-combined-volume-of-cuboids.chinese.md
index b4cd8103c4..4dd9b925bd 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-212-combined-volume-of-cuboids.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-212-combined-volume-of-cuboids.chinese.md
@@ -52,4 +52,5 @@ euler212();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-213-flea-circus.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-213-flea-circus.chinese.md
index e5c7553e08..5dd41e1c11 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-213-flea-circus.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-213-flea-circus.chinese.md
@@ -52,4 +52,5 @@ euler213();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-214-totient-chains.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-214-totient-chains.chinese.md
index dab7c3e1c7..5280b87df4 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-214-totient-chains.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-214-totient-chains.chinese.md
@@ -52,4 +52,5 @@ euler214();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-215-crack-free-walls.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-215-crack-free-walls.chinese.md
index 4e556c268d..dd0d63a770 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-215-crack-free-walls.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-215-crack-free-walls.chinese.md
@@ -52,4 +52,5 @@ euler215();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-216-investigating-the-primality-of-numbers-of-the-form-2n2-1.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-216-investigating-the-primality-of-numbers-of-the-form-2n2-1.chinese.md
index 66abb8430c..091e83c579 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-216-investigating-the-primality-of-numbers-of-the-form-2n2-1.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-216-investigating-the-primality-of-numbers-of-the-form-2n2-1.chinese.md
@@ -52,4 +52,5 @@ euler216();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-217-balanced-numbers.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-217-balanced-numbers.chinese.md
index 895dfacb77..349238ad8a 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-217-balanced-numbers.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-217-balanced-numbers.chinese.md
@@ -52,4 +52,5 @@ euler217();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-218-perfect-right-angled-triangles.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-218-perfect-right-angled-triangles.chinese.md
index 4f49e8a032..58f2f316e6 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-218-perfect-right-angled-triangles.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-218-perfect-right-angled-triangles.chinese.md
@@ -52,4 +52,5 @@ euler218();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-219-skew-cost-coding.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-219-skew-cost-coding.chinese.md
index 8af9b12169..34c3768755 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-219-skew-cost-coding.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-219-skew-cost-coding.chinese.md
@@ -52,4 +52,5 @@ euler219();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-22-names-scores.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-22-names-scores.chinese.md
index 12b6771bcd..76fd285270 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-22-names-scores.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-22-names-scores.chinese.md
@@ -69,4 +69,5 @@ const names = ['MARY','PATRICIA','LINDA','BARBARA','ELIZABETH','JENNIFER','MARIA
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-220-heighway-dragon.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-220-heighway-dragon.chinese.md
index f10e940718..91dd33e4af 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-220-heighway-dragon.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-220-heighway-dragon.chinese.md
@@ -52,4 +52,5 @@ euler220();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-221-alexandrian-integers.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-221-alexandrian-integers.chinese.md
index af3ed17c3d..c67f22de1f 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-221-alexandrian-integers.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-221-alexandrian-integers.chinese.md
@@ -52,4 +52,5 @@ euler221();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-222-sphere-packing.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-222-sphere-packing.chinese.md
index 80f120534d..040ccde2ef 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-222-sphere-packing.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-222-sphere-packing.chinese.md
@@ -52,4 +52,5 @@ euler222();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-223-almost-right-angled-triangles-i.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-223-almost-right-angled-triangles-i.chinese.md
index 849dff9371..c50a518fc7 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-223-almost-right-angled-triangles-i.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-223-almost-right-angled-triangles-i.chinese.md
@@ -52,4 +52,5 @@ euler223();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-224-almost-right-angled-triangles-ii.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-224-almost-right-angled-triangles-ii.chinese.md
index 7bf3e7d393..caf44143df 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-224-almost-right-angled-triangles-ii.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-224-almost-right-angled-triangles-ii.chinese.md
@@ -52,4 +52,5 @@ euler224();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-225-tribonacci-non-divisors.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-225-tribonacci-non-divisors.chinese.md
index 4be9bbdb10..c9c2b3854c 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-225-tribonacci-non-divisors.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-225-tribonacci-non-divisors.chinese.md
@@ -52,4 +52,5 @@ euler225();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-226-a-scoop-of-blancmange.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-226-a-scoop-of-blancmange.chinese.md
index 04e7e435fb..f6256afab0 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-226-a-scoop-of-blancmange.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-226-a-scoop-of-blancmange.chinese.md
@@ -52,4 +52,5 @@ euler226();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-227-the-chase.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-227-the-chase.chinese.md
index 94fad4f978..6083641a11 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-227-the-chase.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-227-the-chase.chinese.md
@@ -52,4 +52,5 @@ euler227();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-228-minkowski-sums.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-228-minkowski-sums.chinese.md
index 93eb2d0697..018cbab02a 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-228-minkowski-sums.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-228-minkowski-sums.chinese.md
@@ -52,4 +52,5 @@ euler228();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-229-four-representations-using-squares.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-229-four-representations-using-squares.chinese.md
index 3015e1e3f5..086ed32050 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-229-four-representations-using-squares.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-229-four-representations-using-squares.chinese.md
@@ -52,4 +52,5 @@ euler229();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-23-non-abundant-sums.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-23-non-abundant-sums.chinese.md
index 66fea90580..c4d82a6766 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-23-non-abundant-sums.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-23-non-abundant-sums.chinese.md
@@ -58,4 +58,5 @@ sumOfNonAbundantNumbers(28123);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-230-fibonacci-words.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-230-fibonacci-words.chinese.md
index 74830da2c6..7d06c14d4f 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-230-fibonacci-words.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-230-fibonacci-words.chinese.md
@@ -52,4 +52,5 @@ euler230();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-231-the-prime-factorisation-of-binomial-coefficients.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-231-the-prime-factorisation-of-binomial-coefficients.chinese.md
index 429c24d8d2..2bb5336e3a 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-231-the-prime-factorisation-of-binomial-coefficients.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-231-the-prime-factorisation-of-binomial-coefficients.chinese.md
@@ -52,4 +52,5 @@ euler231();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-232-the-race.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-232-the-race.chinese.md
index 47fccda73a..5a39ef0cc9 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-232-the-race.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-232-the-race.chinese.md
@@ -52,4 +52,5 @@ euler232();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-233-lattice-points-on-a-circle.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-233-lattice-points-on-a-circle.chinese.md
index 86d654ba1b..9280c4de3e 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-233-lattice-points-on-a-circle.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-233-lattice-points-on-a-circle.chinese.md
@@ -52,4 +52,5 @@ euler233();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-234-semidivisible-numbers.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-234-semidivisible-numbers.chinese.md
index 709a55fc33..c9a14cf0ec 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-234-semidivisible-numbers.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-234-semidivisible-numbers.chinese.md
@@ -52,4 +52,5 @@ euler234();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-235-an-arithmetic-geometric-sequence.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-235-an-arithmetic-geometric-sequence.chinese.md
index 8911a6edca..f6e986101d 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-235-an-arithmetic-geometric-sequence.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-235-an-arithmetic-geometric-sequence.chinese.md
@@ -52,4 +52,5 @@ euler235();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-236-luxury-hampers.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-236-luxury-hampers.chinese.md
index f6cec1887a..4618fee733 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-236-luxury-hampers.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-236-luxury-hampers.chinese.md
@@ -52,4 +52,5 @@ euler236();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-237-tours-on-a-4-x-n-playing-board.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-237-tours-on-a-4-x-n-playing-board.chinese.md
index 63fc9cc7f6..afe8aa0937 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-237-tours-on-a-4-x-n-playing-board.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-237-tours-on-a-4-x-n-playing-board.chinese.md
@@ -52,4 +52,5 @@ euler237();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-238-infinite-string-tour.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-238-infinite-string-tour.chinese.md
index b11e2f09d3..653a77b786 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-238-infinite-string-tour.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-238-infinite-string-tour.chinese.md
@@ -52,4 +52,5 @@ euler238();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-239-twenty-two-foolish-primes.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-239-twenty-two-foolish-primes.chinese.md
index 8d3780d0b6..75ea90117f 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-239-twenty-two-foolish-primes.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-239-twenty-two-foolish-primes.chinese.md
@@ -52,4 +52,5 @@ euler239();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-24-lexicographic-permutations.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-24-lexicographic-permutations.chinese.md
index 6aefe69668..b59dfa56e9 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-24-lexicographic-permutations.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-24-lexicographic-permutations.chinese.md
@@ -58,4 +58,5 @@ lexicographicPermutations(999999);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-240-top-dice.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-240-top-dice.chinese.md
index abba401849..6cec6ca18e 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-240-top-dice.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-240-top-dice.chinese.md
@@ -52,4 +52,5 @@ euler240();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-241-perfection-quotients.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-241-perfection-quotients.chinese.md
index 05af352585..e958110cea 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-241-perfection-quotients.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-241-perfection-quotients.chinese.md
@@ -52,4 +52,5 @@ euler241();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-242-odd-triplets.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-242-odd-triplets.chinese.md
index 5e0a4fca65..011a587987 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-242-odd-triplets.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-242-odd-triplets.chinese.md
@@ -52,4 +52,5 @@ euler242();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-243-resilience.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-243-resilience.chinese.md
index fbf06e02ff..674eb2a275 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-243-resilience.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-243-resilience.chinese.md
@@ -52,4 +52,5 @@ euler243();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-244-sliders.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-244-sliders.chinese.md
index c5b095a8c5..390d82a94f 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-244-sliders.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-244-sliders.chinese.md
@@ -52,4 +52,5 @@ euler244();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-245-coresilience.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-245-coresilience.chinese.md
index f941fed2c6..9b02102418 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-245-coresilience.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-245-coresilience.chinese.md
@@ -52,4 +52,5 @@ euler245();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-246-tangents-to-an-ellipse.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-246-tangents-to-an-ellipse.chinese.md
index 344a26058d..0ccdb3e221 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-246-tangents-to-an-ellipse.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-246-tangents-to-an-ellipse.chinese.md
@@ -52,4 +52,5 @@ euler246();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-247-squares-under-a-hyperbola.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-247-squares-under-a-hyperbola.chinese.md
index 5fa2b61a3b..b461884367 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-247-squares-under-a-hyperbola.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-247-squares-under-a-hyperbola.chinese.md
@@ -52,4 +52,5 @@ euler247();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-248-numbers-for-which-eulers-totient-function-equals-13.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-248-numbers-for-which-eulers-totient-function-equals-13.chinese.md
index 92e50468d6..9e11967864 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-248-numbers-for-which-eulers-totient-function-equals-13.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-248-numbers-for-which-eulers-totient-function-equals-13.chinese.md
@@ -52,4 +52,5 @@ euler248();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-249-prime-subset-sums.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-249-prime-subset-sums.chinese.md
index ef721df496..4abacceebf 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-249-prime-subset-sums.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-249-prime-subset-sums.chinese.md
@@ -52,4 +52,5 @@ euler249();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-25-1000-digit-fibonacci-number.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-25-1000-digit-fibonacci-number.chinese.md
index 86c3242350..fdd5c70f33 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-25-1000-digit-fibonacci-number.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-25-1000-digit-fibonacci-number.chinese.md
@@ -58,4 +58,5 @@ digitFibonacci(20);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-250-250250.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-250-250250.chinese.md
index c011f0f60c..da8f4d0764 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-250-250250.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-250-250250.chinese.md
@@ -52,4 +52,5 @@ euler250();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-251-cardano-triplets.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-251-cardano-triplets.chinese.md
index 27e4f32bb9..c910a25b40 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-251-cardano-triplets.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-251-cardano-triplets.chinese.md
@@ -52,4 +52,5 @@ euler251();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-252-convex-holes.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-252-convex-holes.chinese.md
index 8a80bf7d6b..ff273a0e56 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-252-convex-holes.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-252-convex-holes.chinese.md
@@ -52,4 +52,5 @@ euler252();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-253-tidying-up.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-253-tidying-up.chinese.md
index e7854ebb6e..ef88fa88a8 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-253-tidying-up.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-253-tidying-up.chinese.md
@@ -52,4 +52,5 @@ euler253();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-254-sums-of-digit-factorials.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-254-sums-of-digit-factorials.chinese.md
index d5f265985d..93cce8c27c 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-254-sums-of-digit-factorials.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-254-sums-of-digit-factorials.chinese.md
@@ -52,4 +52,5 @@ euler254();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-255-rounded-square-roots.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-255-rounded-square-roots.chinese.md
index 13ccd0d03c..8b53f75ad7 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-255-rounded-square-roots.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-255-rounded-square-roots.chinese.md
@@ -52,4 +52,5 @@ euler255();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-256-tatami-free-rooms.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-256-tatami-free-rooms.chinese.md
index 62f532af81..707c6ea969 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-256-tatami-free-rooms.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-256-tatami-free-rooms.chinese.md
@@ -52,4 +52,5 @@ euler256();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-257-angular-bisectors.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-257-angular-bisectors.chinese.md
index 7cd42126b8..3872e7c77b 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-257-angular-bisectors.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-257-angular-bisectors.chinese.md
@@ -52,4 +52,5 @@ euler257();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-258-a-lagged-fibonacci-sequence.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-258-a-lagged-fibonacci-sequence.chinese.md
index 4c56b964c9..eb503afbe8 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-258-a-lagged-fibonacci-sequence.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-258-a-lagged-fibonacci-sequence.chinese.md
@@ -52,4 +52,5 @@ euler258();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-259-reachable-numbers.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-259-reachable-numbers.chinese.md
index 79ec3d0899..4c911f6793 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-259-reachable-numbers.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-259-reachable-numbers.chinese.md
@@ -52,4 +52,5 @@ euler259();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-26-reciprocal-cycles.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-26-reciprocal-cycles.chinese.md
index 51e4e70e4a..47c4ad912f 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-26-reciprocal-cycles.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-26-reciprocal-cycles.chinese.md
@@ -58,4 +58,5 @@ reciprocalCycles(1000);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-260-stone-game.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-260-stone-game.chinese.md
index 4051cfa8bb..2ac25862f2 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-260-stone-game.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-260-stone-game.chinese.md
@@ -52,4 +52,5 @@ euler260();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-261-pivotal-square-sums.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-261-pivotal-square-sums.chinese.md
index dd32c2f73c..b7b11e35f0 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-261-pivotal-square-sums.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-261-pivotal-square-sums.chinese.md
@@ -52,4 +52,5 @@ euler261();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-262-mountain-range.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-262-mountain-range.chinese.md
index cda365bed1..ae2caeb15b 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-262-mountain-range.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-262-mountain-range.chinese.md
@@ -52,4 +52,5 @@ euler262();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-263-an-engineers-dream-come-true.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-263-an-engineers-dream-come-true.chinese.md
index 9637dc38c5..049a517add 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-263-an-engineers-dream-come-true.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-263-an-engineers-dream-come-true.chinese.md
@@ -52,4 +52,5 @@ euler263();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-264-triangle-centres.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-264-triangle-centres.chinese.md
index 9709fafc8b..e8503a2861 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-264-triangle-centres.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-264-triangle-centres.chinese.md
@@ -52,4 +52,5 @@ euler264();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-265-binary-circles.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-265-binary-circles.chinese.md
index 06224e1e5d..5cbfaf3e41 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-265-binary-circles.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-265-binary-circles.chinese.md
@@ -52,4 +52,5 @@ euler265();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-266-pseudo-square-root.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-266-pseudo-square-root.chinese.md
index 1b7f1bf78e..092c81d593 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-266-pseudo-square-root.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-266-pseudo-square-root.chinese.md
@@ -52,4 +52,5 @@ euler266();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-267-billionaire.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-267-billionaire.chinese.md
index 23c0a85622..e79ac1ba1c 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-267-billionaire.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-267-billionaire.chinese.md
@@ -52,4 +52,5 @@ euler267();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-268-counting-numbers-with-at-least-four-distinct-prime-factors-less-than-100.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-268-counting-numbers-with-at-least-four-distinct-prime-factors-less-than-100.chinese.md
index 5318822f6a..f025f76142 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-268-counting-numbers-with-at-least-four-distinct-prime-factors-less-than-100.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-268-counting-numbers-with-at-least-four-distinct-prime-factors-less-than-100.chinese.md
@@ -52,4 +52,5 @@ euler268();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-269-polynomials-with-at-least-one-integer-root.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-269-polynomials-with-at-least-one-integer-root.chinese.md
index 02e25bf556..8f32a0e44f 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-269-polynomials-with-at-least-one-integer-root.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-269-polynomials-with-at-least-one-integer-root.chinese.md
@@ -52,4 +52,5 @@ euler269();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-27-quadratic-primes.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-27-quadratic-primes.chinese.md
index ac6f7f4245..11b0fa0a1d 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-27-quadratic-primes.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-27-quadratic-primes.chinese.md
@@ -58,4 +58,5 @@ quadraticPrimes(1000);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-270-cutting-squares.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-270-cutting-squares.chinese.md
index bb81fd0129..19ef61e105 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-270-cutting-squares.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-270-cutting-squares.chinese.md
@@ -52,4 +52,5 @@ euler270();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-271-modular-cubes-part-1.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-271-modular-cubes-part-1.chinese.md
index 060bb9dfe1..ae06e243f7 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-271-modular-cubes-part-1.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-271-modular-cubes-part-1.chinese.md
@@ -52,4 +52,5 @@ euler271();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-272-modular-cubes-part-2.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-272-modular-cubes-part-2.chinese.md
index c28b65f0dd..cd43157d4f 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-272-modular-cubes-part-2.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-272-modular-cubes-part-2.chinese.md
@@ -52,4 +52,5 @@ euler272();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-273-sum-of-squares.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-273-sum-of-squares.chinese.md
index 0336650a2c..723e8b2198 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-273-sum-of-squares.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-273-sum-of-squares.chinese.md
@@ -52,4 +52,5 @@ euler273();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-274-divisibility-multipliers.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-274-divisibility-multipliers.chinese.md
index c7d3a6e70b..e2819fafff 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-274-divisibility-multipliers.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-274-divisibility-multipliers.chinese.md
@@ -52,4 +52,5 @@ euler274();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-275-balanced-sculptures.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-275-balanced-sculptures.chinese.md
index 8da8371af6..06c1b188b3 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-275-balanced-sculptures.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-275-balanced-sculptures.chinese.md
@@ -52,4 +52,5 @@ euler275();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-276-primitive-triangles.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-276-primitive-triangles.chinese.md
index 5e889f1b3f..90b9ee35b5 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-276-primitive-triangles.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-276-primitive-triangles.chinese.md
@@ -52,4 +52,5 @@ euler276();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-277-a-modified-collatz-sequence.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-277-a-modified-collatz-sequence.chinese.md
index 9b48b160af..0113fcceed 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-277-a-modified-collatz-sequence.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-277-a-modified-collatz-sequence.chinese.md
@@ -52,4 +52,5 @@ euler277();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-278-linear-combinations-of-semiprimes.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-278-linear-combinations-of-semiprimes.chinese.md
index d04be528c7..6ce977399d 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-278-linear-combinations-of-semiprimes.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-278-linear-combinations-of-semiprimes.chinese.md
@@ -52,4 +52,5 @@ euler278();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-279-triangles-with-integral-sides-and-an-integral-angle.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-279-triangles-with-integral-sides-and-an-integral-angle.chinese.md
index ab59b9e5e0..dcfddec7b7 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-279-triangles-with-integral-sides-and-an-integral-angle.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-279-triangles-with-integral-sides-and-an-integral-angle.chinese.md
@@ -52,4 +52,5 @@ euler279();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-28-number-spiral-diagonals.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-28-number-spiral-diagonals.chinese.md
index 291628531c..2274878dda 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-28-number-spiral-diagonals.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-28-number-spiral-diagonals.chinese.md
@@ -67,4 +67,5 @@ spiralDiagonals(1001);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-280-ant-and-seeds.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-280-ant-and-seeds.chinese.md
index cf75ee3bc3..a30273c758 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-280-ant-and-seeds.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-280-ant-and-seeds.chinese.md
@@ -59,4 +59,5 @@ euler280();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-281-pizza-toppings.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-281-pizza-toppings.chinese.md
index 7b9b996ec0..9f2eba7060 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-281-pizza-toppings.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-281-pizza-toppings.chinese.md
@@ -62,4 +62,5 @@ euler281();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-282-the-ackermann-function.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-282-the-ackermann-function.chinese.md
index 43d7c33041..5d635f9506 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-282-the-ackermann-function.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-282-the-ackermann-function.chinese.md
@@ -61,4 +61,5 @@ euler282();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-283-integer-sided-triangles-for-which-the-area--perimeter-ratio-is-integral.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-283-integer-sided-triangles-for-which-the-area--perimeter-ratio-is-integral.chinese.md
index f357560d22..0f6fd78880 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-283-integer-sided-triangles-for-which-the-area--perimeter-ratio-is-integral.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-283-integer-sided-triangles-for-which-the-area--perimeter-ratio-is-integral.chinese.md
@@ -60,4 +60,5 @@ euler283();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-284-steady-squares.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-284-steady-squares.chinese.md
index 714aa8432c..13dd8ad7a0 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-284-steady-squares.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-284-steady-squares.chinese.md
@@ -61,4 +61,5 @@ euler284();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-285-pythagorean-odds.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-285-pythagorean-odds.chinese.md
index 9a1533d9d5..95806b8ba8 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-285-pythagorean-odds.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-285-pythagorean-odds.chinese.md
@@ -63,4 +63,5 @@ euler285();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-286-scoring-probabilities.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-286-scoring-probabilities.chinese.md
index 59ac27a0ff..f374b390d8 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-286-scoring-probabilities.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-286-scoring-probabilities.chinese.md
@@ -59,4 +59,5 @@ euler286();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-287-quadtree-encoding-a-simple-compression-algorithm.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-287-quadtree-encoding-a-simple-compression-algorithm.chinese.md
index c5f8ffa160..1bf2e2f038 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-287-quadtree-encoding-a-simple-compression-algorithm.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-287-quadtree-encoding-a-simple-compression-algorithm.chinese.md
@@ -69,4 +69,5 @@ euler287();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-288-an-enormous-factorial.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-288-an-enormous-factorial.chinese.md
index baa6bf3ce3..050f5e983b 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-288-an-enormous-factorial.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-288-an-enormous-factorial.chinese.md
@@ -69,4 +69,5 @@ euler288();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-289-eulerian-cycles.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-289-eulerian-cycles.chinese.md
index 5467d7e4f4..00cee7d59b 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-289-eulerian-cycles.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-289-eulerian-cycles.chinese.md
@@ -68,4 +68,5 @@ euler289();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-29-distinct-powers.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-29-distinct-powers.chinese.md
index f60c055b77..68a2b6019b 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-29-distinct-powers.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-29-distinct-powers.chinese.md
@@ -67,4 +67,5 @@ distinctPowers(30);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-290-digital-signature.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-290-digital-signature.chinese.md
index 92e9ddafa7..d11625f9ae 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-290-digital-signature.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-290-digital-signature.chinese.md
@@ -56,4 +56,5 @@ euler290();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-291-panaitopol-primes.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-291-panaitopol-primes.chinese.md
index e14003aa48..2ad8172f7c 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-291-panaitopol-primes.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-291-panaitopol-primes.chinese.md
@@ -57,4 +57,5 @@ euler291();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-292-pythagorean-polygons.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-292-pythagorean-polygons.chinese.md
index 81d3e2b2af..aa386d76dd 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-292-pythagorean-polygons.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-292-pythagorean-polygons.chinese.md
@@ -61,4 +61,5 @@ euler292();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-293-pseudo-fortunate-numbers.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-293-pseudo-fortunate-numbers.chinese.md
index 7f13330c2f..e3f0203799 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-293-pseudo-fortunate-numbers.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-293-pseudo-fortunate-numbers.chinese.md
@@ -66,4 +66,5 @@ euler293();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-294-sum-of-digits---experience-23.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-294-sum-of-digits---experience-23.chinese.md
index 7bc0df8e91..56a1f6a403 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-294-sum-of-digits---experience-23.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-294-sum-of-digits---experience-23.chinese.md
@@ -65,4 +65,5 @@ euler294();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-295-lenticular-holes.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-295-lenticular-holes.chinese.md
index 2ce7b47bf0..cf71572964 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-295-lenticular-holes.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-295-lenticular-holes.chinese.md
@@ -76,4 +76,5 @@ euler295();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-296-angular-bisector-and-tangent.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-296-angular-bisector-and-tangent.chinese.md
index ceadc69d42..62c62cc13d 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-296-angular-bisector-and-tangent.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-296-angular-bisector-and-tangent.chinese.md
@@ -59,4 +59,5 @@ euler296();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-297-zeckendorf-representation.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-297-zeckendorf-representation.chinese.md
index a2b8bda69c..c39ee248c9 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-297-zeckendorf-representation.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-297-zeckendorf-representation.chinese.md
@@ -64,4 +64,5 @@ euler297();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-298-selective-amnesia.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-298-selective-amnesia.chinese.md
index 558db8a43e..dcd2e3c6a2 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-298-selective-amnesia.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-298-selective-amnesia.chinese.md
@@ -128,4 +128,5 @@ euler298();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-299-three-similar-triangles.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-299-three-similar-triangles.chinese.md
index efa9bfc0a3..e819619faf 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-299-three-similar-triangles.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-299-three-similar-triangles.chinese.md
@@ -67,4 +67,5 @@ euler299();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-3-largest-prime-factor.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-3-largest-prime-factor.chinese.md
index bd3c55eaf5..256a092adf 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-3-largest-prime-factor.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-3-largest-prime-factor.chinese.md
@@ -65,4 +65,5 @@ largestPrimeFactor(13195);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-30-digit-n-powers.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-30-digit-n-powers.chinese.md
index b4ac157d45..6d327c1976 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-30-digit-n-powers.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-30-digit-n-powers.chinese.md
@@ -66,4 +66,5 @@ digitnPowers(5);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-300-protein-folding.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-300-protein-folding.chinese.md
index 6af55ab945..b013acdee1 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-300-protein-folding.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-300-protein-folding.chinese.md
@@ -71,4 +71,5 @@ euler300();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-301-nim.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-301-nim.chinese.md
index f9a124fa8c..1119f53ec7 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-301-nim.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-301-nim.chinese.md
@@ -69,4 +69,5 @@ euler301();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-302-strong-achilles-numbers.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-302-strong-achilles-numbers.chinese.md
index 35b0da95a7..36e2216b16 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-302-strong-achilles-numbers.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-302-strong-achilles-numbers.chinese.md
@@ -72,4 +72,5 @@ euler302();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-303-multiples-with-small-digits.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-303-multiples-with-small-digits.chinese.md
index f901c49a8a..7fce79a2c8 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-303-multiples-with-small-digits.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-303-multiples-with-small-digits.chinese.md
@@ -58,4 +58,5 @@ euler303();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-304-primonacci.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-304-primonacci.chinese.md
index 194731dc8a..2ad49245d6 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-304-primonacci.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-304-primonacci.chinese.md
@@ -69,4 +69,5 @@ euler304();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-305-reflexive-position.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-305-reflexive-position.chinese.md
index 82f43dfabc..d2e843d9a3 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-305-reflexive-position.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-305-reflexive-position.chinese.md
@@ -65,4 +65,5 @@ euler305();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-306-paper-strip-game.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-306-paper-strip-game.chinese.md
index c4530a195c..55b21402f1 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-306-paper-strip-game.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-306-paper-strip-game.chinese.md
@@ -71,4 +71,5 @@ euler306();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-307-chip-defects.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-307-chip-defects.chinese.md
index 2f057dd7e3..7efb745b2d 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-307-chip-defects.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-307-chip-defects.chinese.md
@@ -61,4 +61,5 @@ euler307();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-308-an-amazing-prime-generating-automaton.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-308-an-amazing-prime-generating-automaton.chinese.md
index bbe4b49176..4857adf9d1 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-308-an-amazing-prime-generating-automaton.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-308-an-amazing-prime-generating-automaton.chinese.md
@@ -92,4 +92,5 @@ euler308();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-309-integer-ladders.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-309-integer-ladders.chinese.md
index 7a2eba4761..667af9831f 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-309-integer-ladders.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-309-integer-ladders.chinese.md
@@ -64,4 +64,5 @@ euler309();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-31-coin-sums.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-31-coin-sums.chinese.md
index 79d8803fb0..f48828b1ce 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-31-coin-sums.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-31-coin-sums.chinese.md
@@ -64,4 +64,5 @@ coinSums(200);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-310-nim-square.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-310-nim-square.chinese.md
index 76e68d1a2f..7317e8d699 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-310-nim-square.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-310-nim-square.chinese.md
@@ -60,4 +60,5 @@ euler310();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-311-biclinic-integral-quadrilaterals.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-311-biclinic-integral-quadrilaterals.chinese.md
index 9e593f2bec..eb25b38491 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-311-biclinic-integral-quadrilaterals.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-311-biclinic-integral-quadrilaterals.chinese.md
@@ -68,4 +68,5 @@ euler311();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-312-cyclic-paths-on-sierpiski-graphs.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-312-cyclic-paths-on-sierpiski-graphs.chinese.md
index 957db52273..7f1c0fc622 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-312-cyclic-paths-on-sierpiski-graphs.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-312-cyclic-paths-on-sierpiski-graphs.chinese.md
@@ -72,4 +72,5 @@ euler312();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-313-sliding-game.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-313-sliding-game.chinese.md
index d4ed640d1e..61f3ab8e09 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-313-sliding-game.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-313-sliding-game.chinese.md
@@ -64,4 +64,5 @@ euler313();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-314-the-mouse-on-the-moon.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-314-the-mouse-on-the-moon.chinese.md
index 7f8522f214..f4ddfaf3eb 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-314-the-mouse-on-the-moon.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-314-the-mouse-on-the-moon.chinese.md
@@ -71,4 +71,5 @@ euler314();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-315-digital-root-clocks.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-315-digital-root-clocks.chinese.md
index c29e845ceb..143172e91f 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-315-digital-root-clocks.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-315-digital-root-clocks.chinese.md
@@ -100,4 +100,5 @@ euler315();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-316-numbers-in-decimal-expansions.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-316-numbers-in-decimal-expansions.chinese.md
index 1156522ce2..50698511f0 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-316-numbers-in-decimal-expansions.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-316-numbers-in-decimal-expansions.chinese.md
@@ -68,4 +68,5 @@ euler316();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-317-firecracker.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-317-firecracker.chinese.md
index c9d65097f5..10fbfcf9f9 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-317-firecracker.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-317-firecracker.chinese.md
@@ -61,4 +61,5 @@ euler317();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-318-2011-nines.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-318-2011-nines.chinese.md
index 916838e401..7a295ebf96 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-318-2011-nines.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-318-2011-nines.chinese.md
@@ -80,4 +80,5 @@ euler318();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-319-bounded-sequences.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-319-bounded-sequences.chinese.md
index 0d94137ae0..b160f31874 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-319-bounded-sequences.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-319-bounded-sequences.chinese.md
@@ -69,4 +69,5 @@ euler319();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-32-pandigital-products.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-32-pandigital-products.chinese.md
index ef727f3f0a..88e651efa6 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-32-pandigital-products.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-32-pandigital-products.chinese.md
@@ -62,4 +62,5 @@ pandigitalProducts();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-320-factorials-divisible-by-a-huge-integer.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-320-factorials-divisible-by-a-huge-integer.chinese.md
index 4b0e2b8edd..9924f1b972 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-320-factorials-divisible-by-a-huge-integer.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-320-factorials-divisible-by-a-huge-integer.chinese.md
@@ -62,4 +62,5 @@ euler320();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-321-swapping-counters.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-321-swapping-counters.chinese.md
index 5185dcd498..8c0f890cac 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-321-swapping-counters.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-321-swapping-counters.chinese.md
@@ -68,4 +68,5 @@ euler321();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-322-binomial-coefficients-divisible-by-10.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-322-binomial-coefficients-divisible-by-10.chinese.md
index 7cea3d2b82..8432e2a42e 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-322-binomial-coefficients-divisible-by-10.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-322-binomial-coefficients-divisible-by-10.chinese.md
@@ -58,4 +58,5 @@ euler322();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-323-bitwise-or-operations-on-random-integers.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-323-bitwise-or-operations-on-random-integers.chinese.md
index a7e23deb5a..1d4917e8e9 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-323-bitwise-or-operations-on-random-integers.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-323-bitwise-or-operations-on-random-integers.chinese.md
@@ -61,4 +61,5 @@ euler323();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-324-building-a-tower.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-324-building-a-tower.chinese.md
index 538b0c9828..127daa5b2f 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-324-building-a-tower.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-324-building-a-tower.chinese.md
@@ -52,4 +52,5 @@ euler324();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-325-stone-game-ii.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-325-stone-game-ii.chinese.md
index d9c6513e4d..841afd9a6a 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-325-stone-game-ii.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-325-stone-game-ii.chinese.md
@@ -52,4 +52,5 @@ euler325();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-326-modulo-summations.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-326-modulo-summations.chinese.md
index fdb3f3f434..057e3949e7 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-326-modulo-summations.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-326-modulo-summations.chinese.md
@@ -52,4 +52,5 @@ euler326();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-327-rooms-of-doom.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-327-rooms-of-doom.chinese.md
index 62a597ee89..956c3cc162 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-327-rooms-of-doom.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-327-rooms-of-doom.chinese.md
@@ -52,4 +52,5 @@ euler327();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-328-lowest-cost-search.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-328-lowest-cost-search.chinese.md
index 93886142b2..933d9b872b 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-328-lowest-cost-search.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-328-lowest-cost-search.chinese.md
@@ -52,4 +52,5 @@ euler328();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-329-prime-frog.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-329-prime-frog.chinese.md
index b9c9c72c38..86c933998c 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-329-prime-frog.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-329-prime-frog.chinese.md
@@ -52,4 +52,5 @@ euler329();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-33-digit-cancelling-fractions.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-33-digit-cancelling-fractions.chinese.md
index 4c7df8a3ba..5b91ca20d3 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-33-digit-cancelling-fractions.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-33-digit-cancelling-fractions.chinese.md
@@ -52,4 +52,5 @@ digitCancellingFractions();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-330-eulers-number.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-330-eulers-number.chinese.md
index dd5852c2d6..e989c6b765 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-330-eulers-number.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-330-eulers-number.chinese.md
@@ -52,4 +52,5 @@ euler330();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-331-cross-flips.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-331-cross-flips.chinese.md
index f649ab46e5..c6e20dc0e8 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-331-cross-flips.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-331-cross-flips.chinese.md
@@ -52,4 +52,5 @@ euler331();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-332-spherical-triangles.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-332-spherical-triangles.chinese.md
index f212f7357e..e1684662f1 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-332-spherical-triangles.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-332-spherical-triangles.chinese.md
@@ -52,4 +52,5 @@ euler332();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-333-special-partitions.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-333-special-partitions.chinese.md
index 9f1bb710e1..bb804f010e 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-333-special-partitions.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-333-special-partitions.chinese.md
@@ -52,4 +52,5 @@ euler333();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-334-spilling-the-beans.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-334-spilling-the-beans.chinese.md
index 964f7151c6..5dcff67b21 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-334-spilling-the-beans.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-334-spilling-the-beans.chinese.md
@@ -52,4 +52,5 @@ euler334();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-335-gathering-the-beans.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-335-gathering-the-beans.chinese.md
index a5e56ee872..79a11020ca 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-335-gathering-the-beans.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-335-gathering-the-beans.chinese.md
@@ -52,4 +52,5 @@ euler335();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-336-maximix-arrangements.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-336-maximix-arrangements.chinese.md
index e12e942dfc..3d75dc96e1 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-336-maximix-arrangements.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-336-maximix-arrangements.chinese.md
@@ -52,4 +52,5 @@ euler336();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-337-totient-stairstep-sequences.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-337-totient-stairstep-sequences.chinese.md
index 665b648ce4..6daefe567f 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-337-totient-stairstep-sequences.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-337-totient-stairstep-sequences.chinese.md
@@ -52,4 +52,5 @@ euler337();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-338-cutting-rectangular-grid-paper.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-338-cutting-rectangular-grid-paper.chinese.md
index a393a38ba3..9cfdf1abb1 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-338-cutting-rectangular-grid-paper.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-338-cutting-rectangular-grid-paper.chinese.md
@@ -52,4 +52,5 @@ euler338();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-339-peredur-fab-efrawg.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-339-peredur-fab-efrawg.chinese.md
index 66a959f61d..9fa423e9f0 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-339-peredur-fab-efrawg.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-339-peredur-fab-efrawg.chinese.md
@@ -52,4 +52,5 @@ euler339();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-34-digit-factorials.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-34-digit-factorials.chinese.md
index cd4140727b..4908cf06bf 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-34-digit-factorials.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-34-digit-factorials.chinese.md
@@ -54,4 +54,5 @@ digitFactorial();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-340-crazy-function.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-340-crazy-function.chinese.md
index 7750447469..1ad1242099 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-340-crazy-function.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-340-crazy-function.chinese.md
@@ -52,4 +52,5 @@ euler340();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-341-golombs-self-describing-sequence.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-341-golombs-self-describing-sequence.chinese.md
index 6ddceeca0d..d7c68ba5fa 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-341-golombs-self-describing-sequence.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-341-golombs-self-describing-sequence.chinese.md
@@ -52,4 +52,5 @@ euler341();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-342-the-totient-of-a-square-is-a-cube.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-342-the-totient-of-a-square-is-a-cube.chinese.md
index c8578d65fd..c033c252cb 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-342-the-totient-of-a-square-is-a-cube.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-342-the-totient-of-a-square-is-a-cube.chinese.md
@@ -52,4 +52,5 @@ euler342();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-343-fractional-sequences.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-343-fractional-sequences.chinese.md
index b090dbae09..b2487e261d 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-343-fractional-sequences.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-343-fractional-sequences.chinese.md
@@ -52,4 +52,5 @@ euler343();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-344-silver-dollar-game.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-344-silver-dollar-game.chinese.md
index 59f7d95e84..d78e8d458b 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-344-silver-dollar-game.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-344-silver-dollar-game.chinese.md
@@ -52,4 +52,5 @@ euler344();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-345-matrix-sum.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-345-matrix-sum.chinese.md
index 7b50b59d5e..603ebe2adc 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-345-matrix-sum.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-345-matrix-sum.chinese.md
@@ -52,4 +52,5 @@ euler345();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-346-strong-repunits.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-346-strong-repunits.chinese.md
index 37fdb8f8ee..23b589d342 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-346-strong-repunits.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-346-strong-repunits.chinese.md
@@ -52,4 +52,5 @@ euler346();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-347-largest-integer-divisible-by-two-primes.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-347-largest-integer-divisible-by-two-primes.chinese.md
index f22351ef46..b1af6cb39a 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-347-largest-integer-divisible-by-two-primes.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-347-largest-integer-divisible-by-two-primes.chinese.md
@@ -52,4 +52,5 @@ euler347();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-348-sum-of-a-square-and-a-cube.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-348-sum-of-a-square-and-a-cube.chinese.md
index ad9758a77c..33bf3d5fdc 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-348-sum-of-a-square-and-a-cube.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-348-sum-of-a-square-and-a-cube.chinese.md
@@ -52,4 +52,5 @@ euler348();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-349-langtons-ant.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-349-langtons-ant.chinese.md
index 80b5e8a256..936b3c6e46 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-349-langtons-ant.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-349-langtons-ant.chinese.md
@@ -52,4 +52,5 @@ euler349();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-35-circular-primes.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-35-circular-primes.chinese.md
index 81d336babd..401e355655 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-35-circular-primes.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-35-circular-primes.chinese.md
@@ -62,4 +62,5 @@ circularPrimes(1000000);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-350-constraining-the-least-greatest-and-the-greatest-least.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-350-constraining-the-least-greatest-and-the-greatest-least.chinese.md
index 281d8146b4..dd0cb0088d 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-350-constraining-the-least-greatest-and-the-greatest-least.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-350-constraining-the-least-greatest-and-the-greatest-least.chinese.md
@@ -52,4 +52,5 @@ euler350();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-351-hexagonal-orchards.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-351-hexagonal-orchards.chinese.md
index 3aa8dd7b81..5c8982c219 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-351-hexagonal-orchards.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-351-hexagonal-orchards.chinese.md
@@ -52,4 +52,5 @@ euler351();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-352-blood-tests.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-352-blood-tests.chinese.md
index 37b6d8b194..245ac83161 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-352-blood-tests.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-352-blood-tests.chinese.md
@@ -52,4 +52,5 @@ euler352();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-353-risky-moon.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-353-risky-moon.chinese.md
index 72a89ee250..2052f12126 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-353-risky-moon.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-353-risky-moon.chinese.md
@@ -52,4 +52,5 @@ euler353();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-354-distances-in-a-bees-honeycomb.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-354-distances-in-a-bees-honeycomb.chinese.md
index 4d1b987ec3..be070ad767 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-354-distances-in-a-bees-honeycomb.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-354-distances-in-a-bees-honeycomb.chinese.md
@@ -52,4 +52,5 @@ euler354();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-355-maximal-coprime-subset.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-355-maximal-coprime-subset.chinese.md
index 53b575916e..92a9b82326 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-355-maximal-coprime-subset.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-355-maximal-coprime-subset.chinese.md
@@ -52,4 +52,5 @@ euler355();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-356-largest-roots-of-cubic-polynomials.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-356-largest-roots-of-cubic-polynomials.chinese.md
index aa21e8c1c6..4b29373a6a 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-356-largest-roots-of-cubic-polynomials.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-356-largest-roots-of-cubic-polynomials.chinese.md
@@ -52,4 +52,5 @@ euler356();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-357-prime-generating-integers.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-357-prime-generating-integers.chinese.md
index 0eeb9a1f04..989734d409 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-357-prime-generating-integers.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-357-prime-generating-integers.chinese.md
@@ -52,4 +52,5 @@ euler357();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-358-cyclic-numbers.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-358-cyclic-numbers.chinese.md
index eb5221589f..6884ca246f 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-358-cyclic-numbers.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-358-cyclic-numbers.chinese.md
@@ -82,4 +82,5 @@ euler358();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-359-hilberts-new-hotel.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-359-hilberts-new-hotel.chinese.md
index 26abc217c7..23285be8ba 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-359-hilberts-new-hotel.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-359-hilberts-new-hotel.chinese.md
@@ -52,4 +52,5 @@ euler359();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-36-double-base-palindromes.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-36-double-base-palindromes.chinese.md
index 4ca37e0852..02cc635fc4 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-36-double-base-palindromes.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-36-double-base-palindromes.chinese.md
@@ -58,4 +58,5 @@ doubleBasePalindromes(1000000);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-360-scary-sphere.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-360-scary-sphere.chinese.md
index af33ce2984..92d97bce2a 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-360-scary-sphere.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-360-scary-sphere.chinese.md
@@ -52,4 +52,5 @@ euler360();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-361-subsequence-of-thue-morse-sequence.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-361-subsequence-of-thue-morse-sequence.chinese.md
index e8ed9eea38..b9268bdffd 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-361-subsequence-of-thue-morse-sequence.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-361-subsequence-of-thue-morse-sequence.chinese.md
@@ -52,4 +52,5 @@ euler361();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-362-squarefree-factors.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-362-squarefree-factors.chinese.md
index 6e6d2aa475..2b4e944da6 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-362-squarefree-factors.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-362-squarefree-factors.chinese.md
@@ -52,4 +52,5 @@ euler362();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-363-bzier-curves.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-363-bzier-curves.chinese.md
index 812a11a931..6e9f7cb0e2 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-363-bzier-curves.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-363-bzier-curves.chinese.md
@@ -52,4 +52,5 @@ euler363();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-364-comfortable-distance.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-364-comfortable-distance.chinese.md
index 956e3302aa..a30c6283c2 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-364-comfortable-distance.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-364-comfortable-distance.chinese.md
@@ -52,4 +52,5 @@ euler364();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-365-a-huge-binomial-coefficient.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-365-a-huge-binomial-coefficient.chinese.md
index 30ebfb09d2..9342fdb9bd 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-365-a-huge-binomial-coefficient.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-365-a-huge-binomial-coefficient.chinese.md
@@ -52,4 +52,5 @@ euler365();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-366-stone-game-iii.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-366-stone-game-iii.chinese.md
index 2a53c6cd8f..86aa151f66 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-366-stone-game-iii.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-366-stone-game-iii.chinese.md
@@ -52,4 +52,5 @@ euler366();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-367-bozo-sort.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-367-bozo-sort.chinese.md
index 4b4e856bfe..c920e11f86 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-367-bozo-sort.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-367-bozo-sort.chinese.md
@@ -52,4 +52,5 @@ euler367();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-368-a-kempner-like-series.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-368-a-kempner-like-series.chinese.md
index 40c3232f08..c2ca5b18db 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-368-a-kempner-like-series.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-368-a-kempner-like-series.chinese.md
@@ -52,4 +52,5 @@ euler368();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-369-badugi.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-369-badugi.chinese.md
index 17f1f89bad..b582cc328f 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-369-badugi.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-369-badugi.chinese.md
@@ -52,4 +52,5 @@ euler369();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-37-truncatable-primes.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-37-truncatable-primes.chinese.md
index 50fd474ed4..05993d226c 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-37-truncatable-primes.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-37-truncatable-primes.chinese.md
@@ -58,4 +58,5 @@ truncatablePrimes(11);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-370-geometric-triangles.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-370-geometric-triangles.chinese.md
index d3ac73f178..e5791e210b 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-370-geometric-triangles.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-370-geometric-triangles.chinese.md
@@ -52,4 +52,5 @@ euler370();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-371-licence-plates.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-371-licence-plates.chinese.md
index 0e9dcd7c9c..fada385acd 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-371-licence-plates.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-371-licence-plates.chinese.md
@@ -52,4 +52,5 @@ euler371();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-372-pencils-of-rays.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-372-pencils-of-rays.chinese.md
index 9081366862..b7f85bbccb 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-372-pencils-of-rays.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-372-pencils-of-rays.chinese.md
@@ -52,4 +52,5 @@ euler372();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-373-circumscribed-circles.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-373-circumscribed-circles.chinese.md
index 0d1804e231..4a1d30dc81 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-373-circumscribed-circles.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-373-circumscribed-circles.chinese.md
@@ -52,4 +52,5 @@ euler373();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-374-maximum-integer-partition-product.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-374-maximum-integer-partition-product.chinese.md
index 107b2f02f0..04c07cd526 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-374-maximum-integer-partition-product.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-374-maximum-integer-partition-product.chinese.md
@@ -52,4 +52,5 @@ euler374();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-375-minimum-of-subsequences.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-375-minimum-of-subsequences.chinese.md
index 12eb3d1c28..eea513bea8 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-375-minimum-of-subsequences.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-375-minimum-of-subsequences.chinese.md
@@ -52,4 +52,5 @@ euler375();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-376-nontransitive-sets-of-dice.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-376-nontransitive-sets-of-dice.chinese.md
index 83665e78da..c38bd580a7 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-376-nontransitive-sets-of-dice.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-376-nontransitive-sets-of-dice.chinese.md
@@ -52,4 +52,5 @@ euler376();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-377-sum-of-digits-experience-13.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-377-sum-of-digits-experience-13.chinese.md
index 8fe0482237..0bc965dfcf 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-377-sum-of-digits-experience-13.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-377-sum-of-digits-experience-13.chinese.md
@@ -52,4 +52,5 @@ euler377();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-378-triangle-triples.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-378-triangle-triples.chinese.md
index d2a3c27b81..9b7767b540 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-378-triangle-triples.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-378-triangle-triples.chinese.md
@@ -52,4 +52,5 @@ euler378();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-379-least-common-multiple-count.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-379-least-common-multiple-count.chinese.md
index 8c0ada67d0..556c2d4a43 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-379-least-common-multiple-count.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-379-least-common-multiple-count.chinese.md
@@ -52,4 +52,5 @@ euler379();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-38-pandigital-multiples.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-38-pandigital-multiples.chinese.md
index 259cd6c16c..2261e24dde 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-38-pandigital-multiples.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-38-pandigital-multiples.chinese.md
@@ -52,4 +52,5 @@ pandigitalMultiples();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-380-amazing-mazes.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-380-amazing-mazes.chinese.md
index c33a50a584..0b868c1d95 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-380-amazing-mazes.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-380-amazing-mazes.chinese.md
@@ -52,4 +52,5 @@ euler380();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-381-prime-k-factorial.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-381-prime-k-factorial.chinese.md
index c162405492..bc5c6704c5 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-381-prime-k-factorial.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-381-prime-k-factorial.chinese.md
@@ -52,4 +52,5 @@ euler381();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-382-generating-polygons.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-382-generating-polygons.chinese.md
index 0857a942fc..136ce8e776 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-382-generating-polygons.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-382-generating-polygons.chinese.md
@@ -52,4 +52,5 @@ euler382();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-383-divisibility-comparison-between-factorials.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-383-divisibility-comparison-between-factorials.chinese.md
index 1a9a34b595..a3a3b54e9b 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-383-divisibility-comparison-between-factorials.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-383-divisibility-comparison-between-factorials.chinese.md
@@ -52,4 +52,5 @@ euler383();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-384-rudin-shapiro-sequence.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-384-rudin-shapiro-sequence.chinese.md
index 1b4d93358c..9d2c69fbf1 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-384-rudin-shapiro-sequence.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-384-rudin-shapiro-sequence.chinese.md
@@ -52,4 +52,5 @@ euler384();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-385-ellipses-inside-triangles.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-385-ellipses-inside-triangles.chinese.md
index f9e25f496a..74f1f80cd5 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-385-ellipses-inside-triangles.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-385-ellipses-inside-triangles.chinese.md
@@ -52,4 +52,5 @@ euler385();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-386-maximum-length-of-an-antichain.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-386-maximum-length-of-an-antichain.chinese.md
index 4c825ce9fe..9bc230c3e2 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-386-maximum-length-of-an-antichain.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-386-maximum-length-of-an-antichain.chinese.md
@@ -52,4 +52,5 @@ euler386();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-387-harshad-numbers.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-387-harshad-numbers.chinese.md
index 062a732dff..e932bd1a99 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-387-harshad-numbers.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-387-harshad-numbers.chinese.md
@@ -52,4 +52,5 @@ euler387();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-388-distinct-lines.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-388-distinct-lines.chinese.md
index 4c6feeb558..c14e5061c6 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-388-distinct-lines.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-388-distinct-lines.chinese.md
@@ -52,4 +52,5 @@ euler388();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-389-platonic-dice.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-389-platonic-dice.chinese.md
index 7d0b1b7e14..74c78dae11 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-389-platonic-dice.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-389-platonic-dice.chinese.md
@@ -52,4 +52,5 @@ euler389();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-39-integer-right-triangles.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-39-integer-right-triangles.chinese.md
index 6bd4145f40..bc6d7406cd 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-39-integer-right-triangles.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-39-integer-right-triangles.chinese.md
@@ -58,4 +58,5 @@ intRightTriangles(1000);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-390-triangles-with-non-rational-sides-and-integral-area.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-390-triangles-with-non-rational-sides-and-integral-area.chinese.md
index 64d6c8a75a..d4cddd2b01 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-390-triangles-with-non-rational-sides-and-integral-area.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-390-triangles-with-non-rational-sides-and-integral-area.chinese.md
@@ -52,4 +52,5 @@ euler390();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-391-hopping-game.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-391-hopping-game.chinese.md
index 4479cd3f76..1848f63e53 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-391-hopping-game.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-391-hopping-game.chinese.md
@@ -52,4 +52,5 @@ euler391();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-392-enmeshed-unit-circle.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-392-enmeshed-unit-circle.chinese.md
index edbc35eb44..f5702345ae 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-392-enmeshed-unit-circle.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-392-enmeshed-unit-circle.chinese.md
@@ -52,4 +52,5 @@ euler392();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-393-migrating-ants.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-393-migrating-ants.chinese.md
index 9215f564b1..ed1c97f27e 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-393-migrating-ants.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-393-migrating-ants.chinese.md
@@ -52,4 +52,5 @@ euler393();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-394-eating-pie.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-394-eating-pie.chinese.md
index ab94f4f018..231321b1c2 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-394-eating-pie.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-394-eating-pie.chinese.md
@@ -52,4 +52,5 @@ euler394();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-395-pythagorean-tree.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-395-pythagorean-tree.chinese.md
index 76fa9d3b0d..a74d23a604 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-395-pythagorean-tree.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-395-pythagorean-tree.chinese.md
@@ -52,4 +52,5 @@ euler395();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-396-weak-goodstein-sequence.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-396-weak-goodstein-sequence.chinese.md
index af1f08e3ae..b8fa6a2868 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-396-weak-goodstein-sequence.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-396-weak-goodstein-sequence.chinese.md
@@ -52,4 +52,5 @@ euler396();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-397-triangle-on-parabola.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-397-triangle-on-parabola.chinese.md
index e3bae11d47..ab767df31a 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-397-triangle-on-parabola.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-397-triangle-on-parabola.chinese.md
@@ -52,4 +52,5 @@ euler397();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-398-cutting-rope.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-398-cutting-rope.chinese.md
index faad8c6d14..5e598f0216 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-398-cutting-rope.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-398-cutting-rope.chinese.md
@@ -52,4 +52,5 @@ euler398();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-399-squarefree-fibonacci-numbers.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-399-squarefree-fibonacci-numbers.chinese.md
index 98122de4f3..97c890958e 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-399-squarefree-fibonacci-numbers.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-399-squarefree-fibonacci-numbers.chinese.md
@@ -52,4 +52,5 @@ euler399();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-4-largest-palindrome-product.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-4-largest-palindrome-product.chinese.md
index dcf31de5d4..48517090d5 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-4-largest-palindrome-product.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-4-largest-palindrome-product.chinese.md
@@ -54,4 +54,5 @@ largestPalindromeProduct(3);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-40-champernownes-constant.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-40-champernownes-constant.chinese.md
index 0f57250c34..e1417b11f1 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-40-champernownes-constant.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-40-champernownes-constant.chinese.md
@@ -56,4 +56,5 @@ champernownesConstant(100);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-400-fibonacci-tree-game.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-400-fibonacci-tree-game.chinese.md
index 504f0f8956..99f3dcf9db 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-400-fibonacci-tree-game.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-400-fibonacci-tree-game.chinese.md
@@ -52,4 +52,5 @@ euler400();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-401-sum-of-squares-of-divisors.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-401-sum-of-squares-of-divisors.chinese.md
index b8b585f0db..a7e7db5da1 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-401-sum-of-squares-of-divisors.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-401-sum-of-squares-of-divisors.chinese.md
@@ -52,4 +52,5 @@ euler401();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-402-integer-valued-polynomials.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-402-integer-valued-polynomials.chinese.md
index 3936b7ddf7..8fdc021c10 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-402-integer-valued-polynomials.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-402-integer-valued-polynomials.chinese.md
@@ -52,4 +52,5 @@ euler402();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-403-lattice-points-enclosed-by-parabola-and-line.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-403-lattice-points-enclosed-by-parabola-and-line.chinese.md
index 33cbfa57f0..07121250ed 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-403-lattice-points-enclosed-by-parabola-and-line.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-403-lattice-points-enclosed-by-parabola-and-line.chinese.md
@@ -52,4 +52,5 @@ euler403();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-404-crisscross-ellipses.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-404-crisscross-ellipses.chinese.md
index d6b3db7538..349d943d0d 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-404-crisscross-ellipses.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-404-crisscross-ellipses.chinese.md
@@ -52,4 +52,5 @@ euler404();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-405-a-rectangular-tiling.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-405-a-rectangular-tiling.chinese.md
index 77b870148e..fc44221f3d 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-405-a-rectangular-tiling.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-405-a-rectangular-tiling.chinese.md
@@ -52,4 +52,5 @@ euler405();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-406-guessing-game.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-406-guessing-game.chinese.md
index 5eece256be..f9b95030d1 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-406-guessing-game.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-406-guessing-game.chinese.md
@@ -52,4 +52,5 @@ euler406();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-407-idempotents.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-407-idempotents.chinese.md
index b99d2b9450..248b113a76 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-407-idempotents.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-407-idempotents.chinese.md
@@ -52,4 +52,5 @@ euler407();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-408-admissible-paths-through-a-grid.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-408-admissible-paths-through-a-grid.chinese.md
index f0d010c185..3a432102d2 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-408-admissible-paths-through-a-grid.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-408-admissible-paths-through-a-grid.chinese.md
@@ -52,4 +52,5 @@ euler408();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-409-nim-extreme.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-409-nim-extreme.chinese.md
index a822753a30..d6b009301f 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-409-nim-extreme.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-409-nim-extreme.chinese.md
@@ -52,4 +52,5 @@ euler409();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-41-pandigital-prime.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-41-pandigital-prime.chinese.md
index 934c8e15a4..e87b9193e9 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-41-pandigital-prime.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-41-pandigital-prime.chinese.md
@@ -54,4 +54,5 @@ pandigitalPrime(7);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-410-circle-and-tangent-line.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-410-circle-and-tangent-line.chinese.md
index 55dcb67c61..c8948ef32e 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-410-circle-and-tangent-line.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-410-circle-and-tangent-line.chinese.md
@@ -52,4 +52,5 @@ euler410();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-411-uphill-paths.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-411-uphill-paths.chinese.md
index 288d09c2a6..9a19d08fc7 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-411-uphill-paths.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-411-uphill-paths.chinese.md
@@ -52,4 +52,5 @@ euler411();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-412-gnomon-numbering.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-412-gnomon-numbering.chinese.md
index 07203a2dae..edcc7085fa 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-412-gnomon-numbering.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-412-gnomon-numbering.chinese.md
@@ -52,4 +52,5 @@ euler412();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-413-one-child-numbers.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-413-one-child-numbers.chinese.md
index 8f801e6383..ccfdfe64ee 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-413-one-child-numbers.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-413-one-child-numbers.chinese.md
@@ -52,4 +52,5 @@ euler413();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-414-kaprekar-constant.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-414-kaprekar-constant.chinese.md
index eca9827fdc..a7e52c0185 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-414-kaprekar-constant.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-414-kaprekar-constant.chinese.md
@@ -52,4 +52,5 @@ euler414();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-415-titanic-sets.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-415-titanic-sets.chinese.md
index a5eaae932c..fa7da2d74c 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-415-titanic-sets.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-415-titanic-sets.chinese.md
@@ -63,4 +63,5 @@ euler415();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-416-a-frogs-trip.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-416-a-frogs-trip.chinese.md
index d47583f641..0178216e63 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-416-a-frogs-trip.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-416-a-frogs-trip.chinese.md
@@ -59,4 +59,5 @@ euler416();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-417-reciprocal-cycles-ii.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-417-reciprocal-cycles-ii.chinese.md
index 35371a1bf2..399777b1bb 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-417-reciprocal-cycles-ii.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-417-reciprocal-cycles-ii.chinese.md
@@ -52,4 +52,5 @@ euler417();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-418-factorisation-triples.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-418-factorisation-triples.chinese.md
index fde85b43f3..83bb2958e4 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-418-factorisation-triples.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-418-factorisation-triples.chinese.md
@@ -63,4 +63,5 @@ euler418();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-419-look-and-say-sequence.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-419-look-and-say-sequence.chinese.md
index 64f7868fae..7cdb002bb7 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-419-look-and-say-sequence.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-419-look-and-say-sequence.chinese.md
@@ -71,4 +71,5 @@ euler419();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-42-coded-triangle-numbers.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-42-coded-triangle-numbers.chinese.md
index b1aba419d4..ec999a92b9 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-42-coded-triangle-numbers.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-42-coded-triangle-numbers.chinese.md
@@ -66,4 +66,5 @@ codedTriangleNumbers(1786);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-420-2x2-positive-integer-matrix.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-420-2x2-positive-integer-matrix.chinese.md
index 67029b20d2..5af6346b0d 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-420-2x2-positive-integer-matrix.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-420-2x2-positive-integer-matrix.chinese.md
@@ -66,4 +66,5 @@ euler420();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-421-prime-factors-of-n151.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-421-prime-factors-of-n151.chinese.md
index 2a945f0b5e..ffe63798fe 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-421-prime-factors-of-n151.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-421-prime-factors-of-n151.chinese.md
@@ -62,4 +62,5 @@ euler421();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-422-sequence-of-points-on-a-hyperbola.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-422-sequence-of-points-on-a-hyperbola.chinese.md
index 1e40f6b6b2..743e4f284c 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-422-sequence-of-points-on-a-hyperbola.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-422-sequence-of-points-on-a-hyperbola.chinese.md
@@ -66,4 +66,5 @@ euler422();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-423-consecutive-die-throws.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-423-consecutive-die-throws.chinese.md
index e92354f461..e71337259e 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-423-consecutive-die-throws.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-423-consecutive-die-throws.chinese.md
@@ -71,4 +71,5 @@ euler423();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-424-kakuro.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-424-kakuro.chinese.md
index 98246f4b88..c271ca2f75 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-424-kakuro.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-424-kakuro.chinese.md
@@ -74,4 +74,5 @@ euler424();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-425-prime-connection.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-425-prime-connection.chinese.md
index 55056be793..32eaecd7fa 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-425-prime-connection.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-425-prime-connection.chinese.md
@@ -71,4 +71,5 @@ euler425();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-426-box-ball-system.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-426-box-ball-system.chinese.md
index 0a1b504779..a6fa798e9e 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-426-box-ball-system.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-426-box-ball-system.chinese.md
@@ -83,4 +83,5 @@ euler426();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-427-n-sequences.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-427-n-sequences.chinese.md
index 042b2f849c..054d9f1a1b 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-427-n-sequences.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-427-n-sequences.chinese.md
@@ -64,4 +64,5 @@ euler427();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-428-necklace-of-circles.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-428-necklace-of-circles.chinese.md
index e39d1f6fab..60ad8cb033 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-428-necklace-of-circles.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-428-necklace-of-circles.chinese.md
@@ -66,4 +66,5 @@ necklace(1000000000)
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-429-sum-of-squares-of-unitary-divisors.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-429-sum-of-squares-of-unitary-divisors.chinese.md
index 679bb4803d..4934a3c5cf 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-429-sum-of-squares-of-unitary-divisors.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-429-sum-of-squares-of-unitary-divisors.chinese.md
@@ -62,4 +62,5 @@ euler429();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-43-sub-string-divisibility.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-43-sub-string-divisibility.chinese.md
index 9e0f85799f..cbba9d9fdb 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-43-sub-string-divisibility.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-43-sub-string-divisibility.chinese.md
@@ -63,4 +63,5 @@ substringDivisibility();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-430-range-flips.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-430-range-flips.chinese.md
index 16804d0eb6..988a2ece5d 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-430-range-flips.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-430-range-flips.chinese.md
@@ -68,4 +68,5 @@ euler430();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-431-square-space-silo.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-431-square-space-silo.chinese.md
index 2b94f1ae3c..f7f6041954 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-431-square-space-silo.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-431-square-space-silo.chinese.md
@@ -52,4 +52,5 @@ euler431();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-432-totient-sum.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-432-totient-sum.chinese.md
index b0bfa2ba90..d9605fb5b1 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-432-totient-sum.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-432-totient-sum.chinese.md
@@ -59,4 +59,5 @@ euler432();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-433-steps-in-euclids-algorithm.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-433-steps-in-euclids-algorithm.chinese.md
index 7470d0f3b3..c6dc90d641 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-433-steps-in-euclids-algorithm.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-433-steps-in-euclids-algorithm.chinese.md
@@ -65,4 +65,5 @@ euler433();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-434-rigid-graphs.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-434-rigid-graphs.chinese.md
index d5e7537dc0..4936fe71ce 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-434-rigid-graphs.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-434-rigid-graphs.chinese.md
@@ -69,4 +69,5 @@ euler434();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-435-polynomials-of-fibonacci-numbers.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-435-polynomials-of-fibonacci-numbers.chinese.md
index 3a6768107f..4e2e8ea7a8 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-435-polynomials-of-fibonacci-numbers.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-435-polynomials-of-fibonacci-numbers.chinese.md
@@ -57,4 +57,5 @@ euler435();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-436-unfair-wager.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-436-unfair-wager.chinese.md
index 2349ae6357..caf893a856 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-436-unfair-wager.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-436-unfair-wager.chinese.md
@@ -68,4 +68,5 @@ euler436();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-437-fibonacci-primitive-roots.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-437-fibonacci-primitive-roots.chinese.md
index ff798afb54..ceea14161c 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-437-fibonacci-primitive-roots.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-437-fibonacci-primitive-roots.chinese.md
@@ -52,4 +52,5 @@ euler437();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-438-integer-part-of-polynomial-equations-solutions.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-438-integer-part-of-polynomial-equations-solutions.chinese.md
index f0bacbbb6c..08ed5b6198 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-438-integer-part-of-polynomial-equations-solutions.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-438-integer-part-of-polynomial-equations-solutions.chinese.md
@@ -52,4 +52,5 @@ euler438();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-439-sum-of-sum-of-divisors.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-439-sum-of-sum-of-divisors.chinese.md
index 15737362cd..d07a1137d3 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-439-sum-of-sum-of-divisors.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-439-sum-of-sum-of-divisors.chinese.md
@@ -59,4 +59,5 @@ euler439();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-44-pentagon-numbers.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-44-pentagon-numbers.chinese.md
index 41ea018312..ed7de4e662 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-44-pentagon-numbers.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-44-pentagon-numbers.chinese.md
@@ -57,4 +57,5 @@ pentagonNumbers();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-440-gcd-and-tiling.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-440-gcd-and-tiling.chinese.md
index cd28e24800..6577ccfdd4 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-440-gcd-and-tiling.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-440-gcd-and-tiling.chinese.md
@@ -68,4 +68,5 @@ euler440();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-441-the-inverse-summation-of-coprime-couples.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-441-the-inverse-summation-of-coprime-couples.chinese.md
index 344fcb1a1c..cb1b1a8adb 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-441-the-inverse-summation-of-coprime-couples.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-441-the-inverse-summation-of-coprime-couples.chinese.md
@@ -52,4 +52,5 @@ euler441();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-442-eleven-free-integers.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-442-eleven-free-integers.chinese.md
index c93f7c2eee..0e612abb8a 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-442-eleven-free-integers.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-442-eleven-free-integers.chinese.md
@@ -60,4 +60,5 @@ euler442();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-443-gcd-sequence.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-443-gcd-sequence.chinese.md
index 1804cfaa65..70f7bf6fad 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-443-gcd-sequence.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-443-gcd-sequence.chinese.md
@@ -52,4 +52,5 @@ euler443();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-444-the-roundtable-lottery.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-444-the-roundtable-lottery.chinese.md
index d47e4e9e65..1446f990b2 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-444-the-roundtable-lottery.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-444-the-roundtable-lottery.chinese.md
@@ -52,4 +52,5 @@ euler444();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-445-retractions-a.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-445-retractions-a.chinese.md
index c7f65cd6ca..882800786b 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-445-retractions-a.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-445-retractions-a.chinese.md
@@ -52,4 +52,5 @@ euler445();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-446-retractions-b.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-446-retractions-b.chinese.md
index 8bb9ce2540..d44799297a 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-446-retractions-b.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-446-retractions-b.chinese.md
@@ -52,4 +52,5 @@ euler446();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-447-retractions-c.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-447-retractions-c.chinese.md
index 2da7120096..9b849e77fe 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-447-retractions-c.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-447-retractions-c.chinese.md
@@ -52,4 +52,5 @@ euler447();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-448-average-least-common-multiple.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-448-average-least-common-multiple.chinese.md
index 4d47e18a60..95ecd1d344 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-448-average-least-common-multiple.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-448-average-least-common-multiple.chinese.md
@@ -52,4 +52,5 @@ euler448();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-449-chocolate-covered-candy.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-449-chocolate-covered-candy.chinese.md
index 144d8643a2..78b2ba51af 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-449-chocolate-covered-candy.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-449-chocolate-covered-candy.chinese.md
@@ -52,4 +52,5 @@ euler449();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-45-triangular-pentagonal-and-hexagonal.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-45-triangular-pentagonal-and-hexagonal.chinese.md
index aa1efb44de..7da8cbe7a5 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-45-triangular-pentagonal-and-hexagonal.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-45-triangular-pentagonal-and-hexagonal.chinese.md
@@ -59,4 +59,5 @@ triPentaHexa(40756);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-450-hypocycloid-and-lattice-points.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-450-hypocycloid-and-lattice-points.chinese.md
index e4b931c80a..e94f73b47c 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-450-hypocycloid-and-lattice-points.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-450-hypocycloid-and-lattice-points.chinese.md
@@ -52,4 +52,5 @@ euler450();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-451-modular-inverses.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-451-modular-inverses.chinese.md
index a7d728e77d..2cc4089041 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-451-modular-inverses.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-451-modular-inverses.chinese.md
@@ -52,4 +52,5 @@ euler451();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-452-long-products.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-452-long-products.chinese.md
index 78d65417c7..9fd389040e 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-452-long-products.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-452-long-products.chinese.md
@@ -57,4 +57,5 @@ euler452();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-453-lattice-quadrilaterals.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-453-lattice-quadrilaterals.chinese.md
index e5d0522cf7..072686e23d 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-453-lattice-quadrilaterals.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-453-lattice-quadrilaterals.chinese.md
@@ -52,4 +52,5 @@ euler453();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-454-diophantine-reciprocals-iii.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-454-diophantine-reciprocals-iii.chinese.md
index 538c5e6a92..46535a77d1 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-454-diophantine-reciprocals-iii.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-454-diophantine-reciprocals-iii.chinese.md
@@ -52,4 +52,5 @@ euler454();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-455-powers-with-trailing-digits.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-455-powers-with-trailing-digits.chinese.md
index 3bd018e797..973cb9b14f 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-455-powers-with-trailing-digits.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-455-powers-with-trailing-digits.chinese.md
@@ -52,4 +52,5 @@ euler455();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-456-triangles-containing-the-origin-ii.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-456-triangles-containing-the-origin-ii.chinese.md
index 8d30a17388..d3a33b89fd 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-456-triangles-containing-the-origin-ii.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-456-triangles-containing-the-origin-ii.chinese.md
@@ -52,4 +52,5 @@ euler456();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-457-a-polynomial-modulo-the-square-of-a-prime.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-457-a-polynomial-modulo-the-square-of-a-prime.chinese.md
index 3ab33b88bc..d122d0177b 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-457-a-polynomial-modulo-the-square-of-a-prime.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-457-a-polynomial-modulo-the-square-of-a-prime.chinese.md
@@ -52,4 +52,5 @@ euler457();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-458-permutations-of-project.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-458-permutations-of-project.chinese.md
index 9606e02ce8..03bc4fea01 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-458-permutations-of-project.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-458-permutations-of-project.chinese.md
@@ -52,4 +52,5 @@ euler458();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-459-flipping-game.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-459-flipping-game.chinese.md
index dd37a19d3f..721f688266 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-459-flipping-game.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-459-flipping-game.chinese.md
@@ -52,4 +52,5 @@ euler459();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-46-goldbachs-other-conjecture.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-46-goldbachs-other-conjecture.chinese.md
index ac33af841f..9024e4ba3f 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-46-goldbachs-other-conjecture.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-46-goldbachs-other-conjecture.chinese.md
@@ -52,4 +52,5 @@ goldbachsOtherConjecture();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-460-an-ant-on-the-move.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-460-an-ant-on-the-move.chinese.md
index d6942f5a29..c6ec1e58b4 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-460-an-ant-on-the-move.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-460-an-ant-on-the-move.chinese.md
@@ -52,4 +52,5 @@ euler460();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-461-almost-pi.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-461-almost-pi.chinese.md
index a90a1e7887..6e6e598178 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-461-almost-pi.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-461-almost-pi.chinese.md
@@ -52,4 +52,5 @@ euler461();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-462-permutation-of-3-smooth-numbers.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-462-permutation-of-3-smooth-numbers.chinese.md
index d5e6acbb78..c6b0112307 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-462-permutation-of-3-smooth-numbers.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-462-permutation-of-3-smooth-numbers.chinese.md
@@ -52,4 +52,5 @@ euler462();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-463-a-weird-recurrence-relation.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-463-a-weird-recurrence-relation.chinese.md
index 8b017cc258..4e14caef3b 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-463-a-weird-recurrence-relation.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-463-a-weird-recurrence-relation.chinese.md
@@ -52,4 +52,5 @@ euler463();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-464-mbius-function-and-intervals.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-464-mbius-function-and-intervals.chinese.md
index 32c89de934..e8e64180c5 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-464-mbius-function-and-intervals.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-464-mbius-function-and-intervals.chinese.md
@@ -52,4 +52,5 @@ euler464();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-465-polar-polygons.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-465-polar-polygons.chinese.md
index 6df6cd9d78..0cd799818f 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-465-polar-polygons.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-465-polar-polygons.chinese.md
@@ -52,4 +52,5 @@ euler465();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-466-distinct-terms-in-a-multiplication-table.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-466-distinct-terms-in-a-multiplication-table.chinese.md
index d5e8ec0877..a938d4d618 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-466-distinct-terms-in-a-multiplication-table.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-466-distinct-terms-in-a-multiplication-table.chinese.md
@@ -52,4 +52,5 @@ euler466();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-467-superinteger.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-467-superinteger.chinese.md
index bb526c8a4a..a0414fbb70 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-467-superinteger.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-467-superinteger.chinese.md
@@ -52,4 +52,5 @@ euler467();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-468-smooth-divisors-of-binomial-coefficients.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-468-smooth-divisors-of-binomial-coefficients.chinese.md
index bdd76b85a4..d8afbe38fc 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-468-smooth-divisors-of-binomial-coefficients.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-468-smooth-divisors-of-binomial-coefficients.chinese.md
@@ -52,4 +52,5 @@ euler468();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-469-empty-chairs.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-469-empty-chairs.chinese.md
index dc2cadab68..05ec5b9b2d 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-469-empty-chairs.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-469-empty-chairs.chinese.md
@@ -52,4 +52,5 @@ euler469();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-47-distinct-primes-factors.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-47-distinct-primes-factors.chinese.md
index 0eafb4ad8a..af22c61bcb 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-47-distinct-primes-factors.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-47-distinct-primes-factors.chinese.md
@@ -56,4 +56,5 @@ distinctPrimeFactors(4, 4);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-470-super-ramvok.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-470-super-ramvok.chinese.md
index a04c1c00d4..fafc089098 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-470-super-ramvok.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-470-super-ramvok.chinese.md
@@ -52,4 +52,5 @@ euler470();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-471-triangle-inscribed-in-ellipse.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-471-triangle-inscribed-in-ellipse.chinese.md
index e4441f38d9..2c2fbcdbcf 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-471-triangle-inscribed-in-ellipse.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-471-triangle-inscribed-in-ellipse.chinese.md
@@ -52,4 +52,5 @@ euler471();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-472-comfortable-distance-ii.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-472-comfortable-distance-ii.chinese.md
index 48b11e12b5..d2931e83ae 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-472-comfortable-distance-ii.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-472-comfortable-distance-ii.chinese.md
@@ -52,4 +52,5 @@ euler472();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-473-phigital-number-base.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-473-phigital-number-base.chinese.md
index d04d87715c..527ec62bb8 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-473-phigital-number-base.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-473-phigital-number-base.chinese.md
@@ -52,4 +52,5 @@ euler473();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-474-last-digits-of-divisors.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-474-last-digits-of-divisors.chinese.md
index 717b8962ba..6febc06729 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-474-last-digits-of-divisors.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-474-last-digits-of-divisors.chinese.md
@@ -52,4 +52,5 @@ euler474();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-475-music-festival.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-475-music-festival.chinese.md
index 943f52aaf2..80b585dc81 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-475-music-festival.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-475-music-festival.chinese.md
@@ -52,4 +52,5 @@ euler475();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-476-circle-packing-ii.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-476-circle-packing-ii.chinese.md
index 9a48036f5a..0a989ea423 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-476-circle-packing-ii.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-476-circle-packing-ii.chinese.md
@@ -52,4 +52,5 @@ euler476();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-477-number-sequence-game.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-477-number-sequence-game.chinese.md
index a3f6492b86..5b427f34d6 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-477-number-sequence-game.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-477-number-sequence-game.chinese.md
@@ -52,4 +52,5 @@ euler477();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-478-mixtures.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-478-mixtures.chinese.md
index 4e79a2b741..f60e2190ac 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-478-mixtures.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-478-mixtures.chinese.md
@@ -52,4 +52,5 @@ euler478();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-479-roots-on-the-rise.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-479-roots-on-the-rise.chinese.md
index 852d64cfc8..029a8a6da0 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-479-roots-on-the-rise.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-479-roots-on-the-rise.chinese.md
@@ -52,4 +52,5 @@ euler479();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-48-self-powers.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-48-self-powers.chinese.md
index d028e30a62..b1590307c4 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-48-self-powers.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-48-self-powers.chinese.md
@@ -58,4 +58,5 @@ selfPowers(1000, 10);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-480-the-last-question.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-480-the-last-question.chinese.md
index 99f6376be7..0e50338c49 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-480-the-last-question.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-480-the-last-question.chinese.md
@@ -52,4 +52,5 @@ euler480();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-49-prime-permutations.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-49-prime-permutations.chinese.md
index 9fb22cf94e..607babe63b 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-49-prime-permutations.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-49-prime-permutations.chinese.md
@@ -52,4 +52,5 @@ primePermutations();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-5-smallest-multiple.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-5-smallest-multiple.chinese.md
index 5368e31124..0e8fb5bb14 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-5-smallest-multiple.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-5-smallest-multiple.chinese.md
@@ -60,4 +60,5 @@ smallestMult(20);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-50-consecutive-prime-sum.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-50-consecutive-prime-sum.chinese.md
index dd77dd83be..6332e944ca 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-50-consecutive-prime-sum.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-50-consecutive-prime-sum.chinese.md
@@ -54,4 +54,5 @@ consecutivePrimeSum(1000000);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-51-prime-digit-replacements.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-51-prime-digit-replacements.chinese.md
index 43dd5159ba..2ae0afac43 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-51-prime-digit-replacements.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-51-prime-digit-replacements.chinese.md
@@ -52,4 +52,5 @@ euler51();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-52-permuted-multiples.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-52-permuted-multiples.chinese.md
index 6b3adab94e..4fba521069 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-52-permuted-multiples.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-52-permuted-multiples.chinese.md
@@ -52,4 +52,5 @@ permutedMultiples();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-53-combinatoric-selections.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-53-combinatoric-selections.chinese.md
index 078c45409c..4f8246ae4b 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-53-combinatoric-selections.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-53-combinatoric-selections.chinese.md
@@ -58,4 +58,5 @@ combinatoricSelections(1000000);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-54-poker-hands.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-54-poker-hands.chinese.md
index 0a41321832..5ad77ffe19 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-54-poker-hands.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-54-poker-hands.chinese.md
@@ -52,4 +52,5 @@ euler54();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-55-lychrel-numbers.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-55-lychrel-numbers.chinese.md
index 3350074b79..294de133ad 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-55-lychrel-numbers.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-55-lychrel-numbers.chinese.md
@@ -60,4 +60,5 @@ countLychrelNumbers(10000);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-56-powerful-digit-sum.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-56-powerful-digit-sum.chinese.md
index f7ef81e580..9d027fff2f 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-56-powerful-digit-sum.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-56-powerful-digit-sum.chinese.md
@@ -52,4 +52,5 @@ euler56();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-57-square-root-convergents.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-57-square-root-convergents.chinese.md
index ffb5d1dc8a..4f0819aaa0 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-57-square-root-convergents.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-57-square-root-convergents.chinese.md
@@ -52,4 +52,5 @@ euler57();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-58-spiral-primes.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-58-spiral-primes.chinese.md
index 21d21bde6e..9d54ac8ea0 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-58-spiral-primes.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-58-spiral-primes.chinese.md
@@ -52,4 +52,5 @@ euler58();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-59-xor-decryption.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-59-xor-decryption.chinese.md
index 64932ff558..591009a403 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-59-xor-decryption.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-59-xor-decryption.chinese.md
@@ -52,4 +52,5 @@ euler59();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-6-sum-square-difference.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-6-sum-square-difference.chinese.md
index 24125adc9a..9b5b27cdaf 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-6-sum-square-difference.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-6-sum-square-difference.chinese.md
@@ -56,4 +56,5 @@ sumSquareDifference(100);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-60-prime-pair-sets.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-60-prime-pair-sets.chinese.md
index e34e5d8d0e..10e2cbdc62 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-60-prime-pair-sets.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-60-prime-pair-sets.chinese.md
@@ -52,4 +52,5 @@ euler60();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-61-cyclical-figurate-numbers.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-61-cyclical-figurate-numbers.chinese.md
index 1621e0a5b8..718af62264 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-61-cyclical-figurate-numbers.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-61-cyclical-figurate-numbers.chinese.md
@@ -52,4 +52,5 @@ euler61();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-62-cubic-permutations.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-62-cubic-permutations.chinese.md
index 5f60c958f3..c94c056ed1 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-62-cubic-permutations.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-62-cubic-permutations.chinese.md
@@ -52,4 +52,5 @@ euler62();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-63-powerful-digit-counts.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-63-powerful-digit-counts.chinese.md
index b122757a32..cc189e6926 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-63-powerful-digit-counts.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-63-powerful-digit-counts.chinese.md
@@ -52,4 +52,5 @@ euler63();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-64-odd-period-square-roots.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-64-odd-period-square-roots.chinese.md
index d59731620f..b96bb0d4c3 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-64-odd-period-square-roots.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-64-odd-period-square-roots.chinese.md
@@ -52,4 +52,5 @@ euler64();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-65-convergents-of-e.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-65-convergents-of-e.chinese.md
index 6bbb4ab2d0..9438b79dd7 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-65-convergents-of-e.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-65-convergents-of-e.chinese.md
@@ -52,4 +52,5 @@ euler65();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-66-diophantine-equation.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-66-diophantine-equation.chinese.md
index 429a609eda..0156e20408 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-66-diophantine-equation.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-66-diophantine-equation.chinese.md
@@ -52,4 +52,5 @@ euler66();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-67-maximum-path-sum-ii.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-67-maximum-path-sum-ii.chinese.md
index 19f5ccbf8b..42d0f92760 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-67-maximum-path-sum-ii.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-67-maximum-path-sum-ii.chinese.md
@@ -52,4 +52,5 @@ euler67();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-68-magic-5-gon-ring.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-68-magic-5-gon-ring.chinese.md
index 41edcba3f7..61118c9881 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-68-magic-5-gon-ring.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-68-magic-5-gon-ring.chinese.md
@@ -52,4 +52,5 @@ euler68();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-69-totient-maximum.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-69-totient-maximum.chinese.md
index a6f3a869b1..d0b0298c58 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-69-totient-maximum.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-69-totient-maximum.chinese.md
@@ -52,4 +52,5 @@ euler69();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-7-10001st-prime.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-7-10001st-prime.chinese.md
index 3a205529d4..77c3121116 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-7-10001st-prime.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-7-10001st-prime.chinese.md
@@ -60,4 +60,5 @@ nthPrime(10001);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-70-totient-permutation.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-70-totient-permutation.chinese.md
index 0f3e6e02e1..c4f139ac84 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-70-totient-permutation.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-70-totient-permutation.chinese.md
@@ -52,4 +52,5 @@ euler70();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-71-ordered-fractions.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-71-ordered-fractions.chinese.md
index ec4739e3a4..da556f4922 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-71-ordered-fractions.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-71-ordered-fractions.chinese.md
@@ -52,4 +52,5 @@ euler71();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-72-counting-fractions.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-72-counting-fractions.chinese.md
index 8f6b7f39d7..0ed9448642 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-72-counting-fractions.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-72-counting-fractions.chinese.md
@@ -52,4 +52,5 @@ euler72();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-73-counting-fractions-in-a-range.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-73-counting-fractions-in-a-range.chinese.md
index f44fa750f1..82a3648fe5 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-73-counting-fractions-in-a-range.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-73-counting-fractions-in-a-range.chinese.md
@@ -52,4 +52,5 @@ euler73();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-74-digit-factorial-chains.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-74-digit-factorial-chains.chinese.md
index be73b9f9b1..788ec89672 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-74-digit-factorial-chains.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-74-digit-factorial-chains.chinese.md
@@ -52,4 +52,5 @@ euler74();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-75-singular-integer-right-triangles.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-75-singular-integer-right-triangles.chinese.md
index b8b560d06d..11687d6bdd 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-75-singular-integer-right-triangles.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-75-singular-integer-right-triangles.chinese.md
@@ -52,4 +52,5 @@ euler75();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-76-counting-summations.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-76-counting-summations.chinese.md
index 3519bb294f..1112310c8b 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-76-counting-summations.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-76-counting-summations.chinese.md
@@ -52,4 +52,5 @@ euler76();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-77-prime-summations.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-77-prime-summations.chinese.md
index d4c6e38a48..0c489059b1 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-77-prime-summations.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-77-prime-summations.chinese.md
@@ -52,4 +52,5 @@ euler77();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-78-coin-partitions.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-78-coin-partitions.chinese.md
index c90abfab6e..88ef98b0c1 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-78-coin-partitions.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-78-coin-partitions.chinese.md
@@ -52,4 +52,5 @@ euler78();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-79-passcode-derivation.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-79-passcode-derivation.chinese.md
index 04d5fb3348..df98ccab5e 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-79-passcode-derivation.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-79-passcode-derivation.chinese.md
@@ -52,4 +52,5 @@ euler79();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-8-largest-product-in-a-series.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-8-largest-product-in-a-series.chinese.md
index 29ada90e5f..039926c5e2 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-8-largest-product-in-a-series.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-8-largest-product-in-a-series.chinese.md
@@ -55,4 +55,5 @@ largestProductinaSeries(13);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-80-square-root-digital-expansion.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-80-square-root-digital-expansion.chinese.md
index 2e8d7eb4b6..8642d566d2 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-80-square-root-digital-expansion.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-80-square-root-digital-expansion.chinese.md
@@ -52,4 +52,5 @@ euler80();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-81-path-sum-two-ways.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-81-path-sum-two-ways.chinese.md
index be09d754a0..6280493895 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-81-path-sum-two-ways.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-81-path-sum-two-ways.chinese.md
@@ -52,4 +52,5 @@ euler81();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-82-path-sum-three-ways.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-82-path-sum-three-ways.chinese.md
index 261083e45b..1a92ac3c32 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-82-path-sum-three-ways.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-82-path-sum-three-ways.chinese.md
@@ -52,4 +52,5 @@ euler82();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-83-path-sum-four-ways.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-83-path-sum-four-ways.chinese.md
index aa6ac1cf39..a588ae70e6 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-83-path-sum-four-ways.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-83-path-sum-four-ways.chinese.md
@@ -52,4 +52,5 @@ euler83();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-84-monopoly-odds.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-84-monopoly-odds.chinese.md
index 9fb530c384..56291f6522 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-84-monopoly-odds.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-84-monopoly-odds.chinese.md
@@ -52,4 +52,5 @@ euler84();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-85-counting-rectangles.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-85-counting-rectangles.chinese.md
index 62388c3828..d4945c7e74 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-85-counting-rectangles.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-85-counting-rectangles.chinese.md
@@ -52,4 +52,5 @@ euler85();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-86-cuboid-route.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-86-cuboid-route.chinese.md
index 4e722b57ba..aadee56623 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-86-cuboid-route.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-86-cuboid-route.chinese.md
@@ -52,4 +52,5 @@ euler86();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-87-prime-power-triples.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-87-prime-power-triples.chinese.md
index 5dca6a5403..28b24cd44f 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-87-prime-power-triples.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-87-prime-power-triples.chinese.md
@@ -52,4 +52,5 @@ euler87();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-88-product-sum-numbers.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-88-product-sum-numbers.chinese.md
index fd14ccfe80..8916367a3e 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-88-product-sum-numbers.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-88-product-sum-numbers.chinese.md
@@ -52,4 +52,5 @@ euler88();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-89-roman-numerals.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-89-roman-numerals.chinese.md
index bb76361586..c1cf07539c 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-89-roman-numerals.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-89-roman-numerals.chinese.md
@@ -52,4 +52,5 @@ euler89();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-9-special-pythagorean-triplet.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-9-special-pythagorean-triplet.chinese.md
index c10e6d068e..7046a4d352 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-9-special-pythagorean-triplet.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-9-special-pythagorean-triplet.chinese.md
@@ -57,4 +57,5 @@ specialPythagoreanTriplet(1000);
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-90-cube-digit-pairs.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-90-cube-digit-pairs.chinese.md
index b4408480db..8b57d02478 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-90-cube-digit-pairs.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-90-cube-digit-pairs.chinese.md
@@ -52,4 +52,5 @@ euler90();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-91-right-triangles-with-integer-coordinates.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-91-right-triangles-with-integer-coordinates.chinese.md
index 3224531ed0..a5f4d70dba 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-91-right-triangles-with-integer-coordinates.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-91-right-triangles-with-integer-coordinates.chinese.md
@@ -52,4 +52,5 @@ euler91();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-92-square-digit-chains.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-92-square-digit-chains.chinese.md
index 08c3505ee0..207e9767c3 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-92-square-digit-chains.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-92-square-digit-chains.chinese.md
@@ -52,4 +52,5 @@ euler92();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-93-arithmetic-expressions.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-93-arithmetic-expressions.chinese.md
index 73240fdb88..3cecc5543a 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-93-arithmetic-expressions.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-93-arithmetic-expressions.chinese.md
@@ -52,4 +52,5 @@ euler93();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-94-almost-equilateral-triangles.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-94-almost-equilateral-triangles.chinese.md
index d51feb2f41..61a963931f 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-94-almost-equilateral-triangles.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-94-almost-equilateral-triangles.chinese.md
@@ -52,4 +52,5 @@ euler94();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-95-amicable-chains.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-95-amicable-chains.chinese.md
index db202154fb..306e7bbb1e 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-95-amicable-chains.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-95-amicable-chains.chinese.md
@@ -52,4 +52,5 @@ euler95();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-96-su-doku.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-96-su-doku.chinese.md
index e1927190ab..2669642e96 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-96-su-doku.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-96-su-doku.chinese.md
@@ -52,4 +52,5 @@ euler96();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-97-large-non-mersenne-prime.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-97-large-non-mersenne-prime.chinese.md
index 2810f4b7f7..0acfb25f3d 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-97-large-non-mersenne-prime.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-97-large-non-mersenne-prime.chinese.md
@@ -52,4 +52,5 @@ euler97();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-98-anagramic-squares.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-98-anagramic-squares.chinese.md
index 3fb4c3b751..9e529cd20d 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-98-anagramic-squares.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-98-anagramic-squares.chinese.md
@@ -52,4 +52,5 @@ euler98();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-99-largest-exponential.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-99-largest-exponential.chinese.md
index 7e8455e78f..705ce148d4 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-99-largest-exponential.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-99-largest-exponential.chinese.md
@@ -52,4 +52,5 @@ euler99();
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/100-doors.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/100-doors.chinese.md
index 8a829693d9..eb4020f47d 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/100-doors.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/100-doors.chinese.md
@@ -61,4 +61,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/24-game.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/24-game.chinese.md
index caab943151..9897411d22 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/24-game.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/24-game.chinese.md
@@ -66,4 +66,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/9-billion-names-of-god-the-integer.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/9-billion-names-of-god-the-integer.chinese.md
index 71da234349..f6f81d6dfc 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/9-billion-names-of-god-the-integer.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/9-billion-names-of-god-the-integer.chinese.md
@@ -68,4 +68,5 @@ function numberOfNames (num) {
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/abc-problem.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/abc-problem.chinese.md
index d667b42fae..bf5d016d3e 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/abc-problem.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/abc-problem.chinese.md
@@ -71,4 +71,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/abundant-deficient-and-perfect-number-classifications.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/abundant-deficient-and-perfect-number-classifications.chinese.md
index 3d95b9ac73..f64ee3899f 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/abundant-deficient-and-perfect-number-classifications.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/abundant-deficient-and-perfect-number-classifications.chinese.md
@@ -63,4 +63,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/accumulator-factory.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/accumulator-factory.chinese.md
index c972fd252c..2d7e581923 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/accumulator-factory.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/accumulator-factory.chinese.md
@@ -63,4 +63,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/ackermann-function.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/ackermann-function.chinese.md
index 9c4da780dc..c8e9678e42 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/ackermann-function.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/ackermann-function.chinese.md
@@ -57,4 +57,5 @@ function ack (m, n) {
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/align-columns.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/align-columns.chinese.md
index d3426443e4..6cbaeaf5f9 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/align-columns.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/align-columns.chinese.md
@@ -86,4 +86,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/amicable-pairs.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/amicable-pairs.chinese.md
index 147828cbab..f3a9c8ed16 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/amicable-pairs.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/amicable-pairs.chinese.md
@@ -64,4 +64,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/averages-mode.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/averages-mode.chinese.md
index 1bce26c0c2..5e01389d00 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/averages-mode.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/averages-mode.chinese.md
@@ -62,4 +62,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/averages-pythagorean-means.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/averages-pythagorean-means.chinese.md
index 5b6b5f971c..f5b8a67c96 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/averages-pythagorean-means.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/averages-pythagorean-means.chinese.md
@@ -67,4 +67,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/averages-root-mean-square.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/averages-root-mean-square.chinese.md
index 8388749927..7d0e6270e7 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/averages-root-mean-square.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/averages-root-mean-square.chinese.md
@@ -59,4 +59,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/babbage-problem.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/babbage-problem.chinese.md
index 108aae85cc..8bb7498e86 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/babbage-problem.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/babbage-problem.chinese.md
@@ -60,4 +60,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/balanced-brackets.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/balanced-brackets.chinese.md
index b85b4b1616..2738545677 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/balanced-brackets.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/balanced-brackets.chinese.md
@@ -94,4 +94,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/circles-of-given-radius-through-two-points.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/circles-of-given-radius-through-two-points.chinese.md
index aa8a09ccfd..eceb1931a4 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/circles-of-given-radius-through-two-points.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/circles-of-given-radius-through-two-points.chinese.md
@@ -74,4 +74,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/closest-pair-problem.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/closest-pair-problem.chinese.md
index 7f9d67754a..baa3ee8011 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/closest-pair-problem.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/closest-pair-problem.chinese.md
@@ -124,4 +124,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/combinations.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/combinations.chinese.md
index 9f7630bdfb..3b679c560a 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/combinations.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/combinations.chinese.md
@@ -72,4 +72,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/comma-quibbling.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/comma-quibbling.chinese.md
index d76d133662..ae28ab8644 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/comma-quibbling.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/comma-quibbling.chinese.md
@@ -68,4 +68,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/compare-a-list-of-strings.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/compare-a-list-of-strings.chinese.md
index b3df89179c..78698b6dfc 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/compare-a-list-of-strings.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/compare-a-list-of-strings.chinese.md
@@ -85,4 +85,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/convert-seconds-to-compound-duration.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/convert-seconds-to-compound-duration.chinese.md
index c7b3891864..528723f7a9 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/convert-seconds-to-compound-duration.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/convert-seconds-to-compound-duration.chinese.md
@@ -64,4 +64,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/count-occurrences-of-a-substring.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/count-occurrences-of-a-substring.chinese.md
index 9f80b31533..9075bc83ad 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/count-occurrences-of-a-substring.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/count-occurrences-of-a-substring.chinese.md
@@ -64,4 +64,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/count-the-coins.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/count-the-coins.chinese.md
index ee988ea11b..6cf33c06d7 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/count-the-coins.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/count-the-coins.chinese.md
@@ -52,4 +52,5 @@ function countCoins () {
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/cramers-rule.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/cramers-rule.chinese.md
index 6ad9dc3a41..862cad7d02 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/cramers-rule.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/cramers-rule.chinese.md
@@ -62,4 +62,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/date-format.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/date-format.chinese.md
index 1cf79a99f2..d14b31262c 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/date-format.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/date-format.chinese.md
@@ -64,4 +64,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/date-manipulation.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/date-manipulation.chinese.md
index a4a8c031f4..ff747464a7 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/date-manipulation.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/date-manipulation.chinese.md
@@ -70,4 +70,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/day-of-the-week.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/day-of-the-week.chinese.md
index bbf5dcba6d..e73f0bc334 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/day-of-the-week.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/day-of-the-week.chinese.md
@@ -64,4 +64,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/deal-cards-for-freecell.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/deal-cards-for-freecell.chinese.md
index 7d0270c5d8..b9c0e4ba46 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/deal-cards-for-freecell.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/deal-cards-for-freecell.chinese.md
@@ -88,4 +88,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/deepcopy.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/deepcopy.chinese.md
index 5acaa98551..3f2a0ba9c8 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/deepcopy.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/deepcopy.chinese.md
@@ -66,4 +66,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/define-a-primitive-data-type.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/define-a-primitive-data-type.chinese.md
index f79cf7b686..61fc8ff493 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/define-a-primitive-data-type.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/define-a-primitive-data-type.chinese.md
@@ -76,4 +76,5 @@ function Num (n) {
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/department-numbers.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/department-numbers.chinese.md
index 4bf063d2a2..7daddc71d0 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/department-numbers.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/department-numbers.chinese.md
@@ -64,4 +64,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/discordian-date.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/discordian-date.chinese.md
index b9315fe037..a19848128c 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/discordian-date.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/discordian-date.chinese.md
@@ -64,4 +64,5 @@ function discordianDate (date) {
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/element-wise-operations.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/element-wise-operations.chinese.md
index 8b6fd94021..fc696f531f 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/element-wise-operations.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/element-wise-operations.chinese.md
@@ -63,4 +63,5 @@ function operation (op, arr1, arr2) {
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/emirp-primes.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/emirp-primes.chinese.md
index b93dd21005..02e52978b3 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/emirp-primes.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/emirp-primes.chinese.md
@@ -57,4 +57,5 @@ function emirps(n) {
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/entropy.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/entropy.chinese.md
index ee9d11545e..1ec6d97115 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/entropy.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/entropy.chinese.md
@@ -61,4 +61,5 @@ function entropy (s) {
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/equilibrium-index.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/equilibrium-index.chinese.md
index bf46c00241..fadf27be93 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/equilibrium-index.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/equilibrium-index.chinese.md
@@ -69,4 +69,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/ethiopian-multiplication.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/ethiopian-multiplication.chinese.md
index 74f72407b8..34fe14770d 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/ethiopian-multiplication.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/ethiopian-multiplication.chinese.md
@@ -59,4 +59,5 @@ function eth_mult (a, b) {
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/euler-method.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/euler-method.chinese.md
index bcee3701de..1d17222c20 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/euler-method.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/euler-method.chinese.md
@@ -57,4 +57,5 @@ function eulersMethod (x1, y1, x2, h) {
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/evaluate-binomial-coefficients.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/evaluate-binomial-coefficients.chinese.md
index 6d287b8c6b..b9c1da44f2 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/evaluate-binomial-coefficients.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/evaluate-binomial-coefficients.chinese.md
@@ -59,4 +59,5 @@ function binom (n, k) {
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/execute-a-markov-algorithm.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/execute-a-markov-algorithm.chinese.md
index 8560e64344..0698154914 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/execute-a-markov-algorithm.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/execute-a-markov-algorithm.chinese.md
@@ -115,4 +115,5 @@ function markov (rules,test) {
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/execute-brain.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/execute-brain.chinese.md
index 1ae5f77bcd..018f9d993d 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/execute-brain.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/execute-brain.chinese.md
@@ -130,4 +130,5 @@ let bye='++++++++++[>+>+++>++++>+++++++>++++++++>+++++++++>++++++++++>++++++++++
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/extensible-prime-generator.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/extensible-prime-generator.chinese.md
index 12512baf26..73e0f15e05 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/extensible-prime-generator.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/extensible-prime-generator.chinese.md
@@ -57,4 +57,5 @@ function primeGenerator (num, showPrimes) {
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/factorial.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/factorial.chinese.md
index 162d7a1078..e6176d0fa0 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/factorial.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/factorial.chinese.md
@@ -65,4 +65,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/factors-of-a-mersenne-number.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/factors-of-a-mersenne-number.chinese.md
index b62b8d1c87..95163d471d 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/factors-of-a-mersenne-number.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/factors-of-a-mersenne-number.chinese.md
@@ -57,4 +57,5 @@ function check_mersenne (p) {
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/factors-of-an-integer.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/factors-of-an-integer.chinese.md
index 32e67c72fc..f07ecbdd30 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/factors-of-an-integer.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/factors-of-an-integer.chinese.md
@@ -63,4 +63,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/farey-sequence.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/farey-sequence.chinese.md
index 041cb391c0..0b7c585431 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/farey-sequence.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/farey-sequence.chinese.md
@@ -57,4 +57,5 @@ function farey (n) {
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/fibonacci-n-step-number-sequences.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/fibonacci-n-step-number-sequences.chinese.md
index 8f4b147bc7..54bcaa9150 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/fibonacci-n-step-number-sequences.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/fibonacci-n-step-number-sequences.chinese.md
@@ -71,4 +71,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/fibonacci-sequence.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/fibonacci-sequence.chinese.md
index 1264b047d6..f1dd269d99 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/fibonacci-sequence.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/fibonacci-sequence.chinese.md
@@ -57,4 +57,5 @@ function fibonacci(n) {
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/fibonacci-word.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/fibonacci-word.chinese.md
index 0decdb7f96..4b5b107f8b 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/fibonacci-word.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/fibonacci-word.chinese.md
@@ -61,4 +61,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/fractran.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/fractran.chinese.md
index 8a4ae6d009..8380786cdc 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/fractran.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/fractran.chinese.md
@@ -69,4 +69,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/gamma-function.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/gamma-function.chinese.md
index dfdd0d8fdf..558e48eec5 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/gamma-function.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/gamma-function.chinese.md
@@ -69,4 +69,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/gaussian-elimination.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/gaussian-elimination.chinese.md
index 212fb0badd..079e204bed 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/gaussian-elimination.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/gaussian-elimination.chinese.md
@@ -69,4 +69,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/general-fizzbuzz.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/general-fizzbuzz.chinese.md
index c0635117e4..10f4473df1 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/general-fizzbuzz.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/general-fizzbuzz.chinese.md
@@ -73,4 +73,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/generate-lower-case-ascii-alphabet.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/generate-lower-case-ascii-alphabet.chinese.md
index b8ecabf99c..b02528c247 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/generate-lower-case-ascii-alphabet.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/generate-lower-case-ascii-alphabet.chinese.md
@@ -69,4 +69,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/gray-code.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/gray-code.chinese.md
index 3a5c1534cf..fa726c9849 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/gray-code.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/gray-code.chinese.md
@@ -63,4 +63,5 @@ function gray(enc, number) {
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/greatest-common-divisor.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/greatest-common-divisor.chinese.md
index 525fca8ef1..43b84c4849 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/greatest-common-divisor.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/greatest-common-divisor.chinese.md
@@ -63,4 +63,5 @@ function gcd(a, b) {
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/greatest-subsequential-sum.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/greatest-subsequential-sum.chinese.md
index 9350414ada..20f1d20733 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/greatest-subsequential-sum.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/greatest-subsequential-sum.chinese.md
@@ -71,4 +71,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/hailstone-sequence.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/hailstone-sequence.chinese.md
index 9648d8d6bd..151efb9c5d 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/hailstone-sequence.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/hailstone-sequence.chinese.md
@@ -63,4 +63,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/happy-numbers.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/happy-numbers.chinese.md
index 0353311b06..d6d8682920 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/happy-numbers.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/happy-numbers.chinese.md
@@ -73,4 +73,5 @@ function happy (number) {
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/harshad-or-niven-series.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/harshad-or-niven-series.chinese.md
index e63c16822d..6c62cde131 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/harshad-or-niven-series.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/harshad-or-niven-series.chinese.md
@@ -65,4 +65,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/hash-from-two-arrays.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/hash-from-two-arrays.chinese.md
index 9b629eb64a..eaec719ad4 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/hash-from-two-arrays.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/hash-from-two-arrays.chinese.md
@@ -70,4 +70,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/hash-join.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/hash-join.chinese.md
index 95de15d8b6..5ff487d0fb 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/hash-join.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/hash-join.chinese.md
@@ -72,4 +72,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/heronian-triangles.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/heronian-triangles.chinese.md
index 3829abbb4c..9caff56f0f 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/heronian-triangles.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/heronian-triangles.chinese.md
@@ -68,4 +68,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/hofstadter-figure-figure-sequences.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/hofstadter-figure-figure-sequences.chinese.md
index 2a227bdeaa..8515e23cc3 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/hofstadter-figure-figure-sequences.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/hofstadter-figure-figure-sequences.chinese.md
@@ -84,4 +84,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/hofstadter-q-sequence.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/hofstadter-q-sequence.chinese.md
index f39b5af746..b43a485637 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/hofstadter-q-sequence.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/hofstadter-q-sequence.chinese.md
@@ -68,4 +68,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/i-before-e-except-after-c.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/i-before-e-except-after-c.chinese.md
index cfde9134a5..defb896c54 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/i-before-e-except-after-c.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/i-before-e-except-after-c.chinese.md
@@ -63,4 +63,5 @@ function IBeforeExceptC (word) {
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/iban.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/iban.chinese.md
index f0684c3f1d..3cbd9f9f36 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/iban.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/iban.chinese.md
@@ -69,4 +69,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/identity-matrix.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/identity-matrix.chinese.md
index 7c19f16102..b8dc700a99 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/identity-matrix.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/identity-matrix.chinese.md
@@ -67,4 +67,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/iterated-digits-squaring.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/iterated-digits-squaring.chinese.md
index 5c45c12cfc..eace177335 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/iterated-digits-squaring.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/iterated-digits-squaring.chinese.md
@@ -64,4 +64,5 @@ function iteratedSquare (n) {
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/jaro-distance.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/jaro-distance.chinese.md
index 4f72b496fe..93eb8a6153 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/jaro-distance.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/jaro-distance.chinese.md
@@ -69,4 +69,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/jortsort.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/jortsort.chinese.md
index 14c161c3ff..5c4692a436 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/jortsort.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/jortsort.chinese.md
@@ -71,4 +71,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/josephus-problem.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/josephus-problem.chinese.md
index ea32455912..0e3b3b2b7e 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/josephus-problem.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/josephus-problem.chinese.md
@@ -61,4 +61,5 @@ function josephus (init, kill) {
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/s-expressions.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/s-expressions.chinese.md
index 1b8198c9ce..715f65fd01 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/s-expressions.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/s-expressions.chinese.md
@@ -64,4 +64,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/sailors-coconuts-and-a-monkey-problem.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/sailors-coconuts-and-a-monkey-problem.chinese.md
index bccb18fa08..8cdc316c1b 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/sailors-coconuts-and-a-monkey-problem.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/sailors-coconuts-and-a-monkey-problem.chinese.md
@@ -57,4 +57,5 @@ function splitCoconuts(intSailors) {
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/sedols.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/sedols.chinese.md
index 2cc3cb4be8..7134983c06 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/sedols.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/sedols.chinese.md
@@ -58,4 +58,5 @@ function sedol (input) {
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/taxicab-numbers.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/taxicab-numbers.chinese.md
index 017c7fb1bd..9fd4725db4 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/taxicab-numbers.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/taxicab-numbers.chinese.md
@@ -68,4 +68,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/tokenize-a-string-with-escaping.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/tokenize-a-string-with-escaping.chinese.md
index 493aff6ebb..e51e99587e 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/tokenize-a-string-with-escaping.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/tokenize-a-string-with-escaping.chinese.md
@@ -64,4 +64,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/top-rank-per-group.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/top-rank-per-group.chinese.md
index 2843afcb37..40fb339671 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/top-rank-per-group.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/top-rank-per-group.chinese.md
@@ -92,4 +92,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/topological-sort.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/topological-sort.chinese.md
index 7513ce46b5..797a8f15be 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/topological-sort.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/topological-sort.chinese.md
@@ -81,4 +81,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/towers-of-hanoi.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/towers-of-hanoi.chinese.md
index 6bf72c6660..583cef8230 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/towers-of-hanoi.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/towers-of-hanoi.chinese.md
@@ -66,4 +66,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/vector-cross-product.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/vector-cross-product.chinese.md
index 851e26be77..743211f4e2 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/vector-cross-product.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/vector-cross-product.chinese.md
@@ -61,4 +61,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/vector-dot-product.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/vector-dot-product.chinese.md
index 36082754a6..fe6461fa63 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/vector-dot-product.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/vector-dot-product.chinese.md
@@ -59,4 +59,5 @@ function dotProduct() {
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/word-wrap.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/word-wrap.chinese.md
index fe04723656..51b2ec6195 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/word-wrap.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/word-wrap.chinese.md
@@ -75,4 +75,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/y-combinator.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/y-combinator.chinese.md
index 101b237074..05ae1213ab 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/y-combinator.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/y-combinator.chinese.md
@@ -75,4 +75,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/zeckendorf-number-representation.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/zeckendorf-number-representation.chinese.md
index 7115700075..102c85bc63 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/zeckendorf-number-representation.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/zeckendorf-number-representation.chinese.md
@@ -59,4 +59,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/zhang-suen-thinning-algorithm.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/zhang-suen-thinning-algorithm.chinese.md
index 1780351b3d..492e6e591d 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/zhang-suen-thinning-algorithm.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/zhang-suen-thinning-algorithm.chinese.md
@@ -133,4 +133,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/zig-zag-matrix.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/zig-zag-matrix.chinese.md
index 6b77eff69f..fb778df008 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/zig-zag-matrix.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/zig-zag-matrix.chinese.md
@@ -73,4 +73,5 @@ console.info('after the test');
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/build-a-camper-leaderboard.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/build-a-camper-leaderboard.chinese.md
index d9f3394640..b505fc78ee 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/build-a-camper-leaderboard.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/build-a-camper-leaderboard.chinese.md
@@ -35,4 +35,5 @@ tests: []
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/build-a-light-bright-app.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/build-a-light-bright-app.chinese.md
index e293d0ab18..e59b07f9b0 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/build-a-light-bright-app.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/build-a-light-bright-app.chinese.md
@@ -35,4 +35,5 @@ tests: []
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/build-a-nightlife-coordination-app.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/build-a-nightlife-coordination-app.chinese.md
index 6ade3d4651..787bf151cb 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/build-a-nightlife-coordination-app.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/build-a-nightlife-coordination-app.chinese.md
@@ -35,4 +35,5 @@ tests: []
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/build-a-pinterest-clone.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/build-a-pinterest-clone.chinese.md
index add005f929..8d9daed2d7 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/build-a-pinterest-clone.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/build-a-pinterest-clone.chinese.md
@@ -34,4 +34,5 @@ tests: []
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/build-a-pong-game.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/build-a-pong-game.chinese.md
index a7b6f71d72..ae15dcfdc6 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/build-a-pong-game.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/build-a-pong-game.chinese.md
@@ -35,4 +35,5 @@ tests: []
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/build-a-recipe-box.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/build-a-recipe-box.chinese.md
index 25e1374e40..63c1f9bd22 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/build-a-recipe-box.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/build-a-recipe-box.chinese.md
@@ -35,4 +35,5 @@ tests: []
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/build-a-roguelike-dungeon-crawler-game.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/build-a-roguelike-dungeon-crawler-game.chinese.md
index 3fe44a35f2..5033e2716c 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/build-a-roguelike-dungeon-crawler-game.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/build-a-roguelike-dungeon-crawler-game.chinese.md
@@ -35,4 +35,5 @@ tests: []
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/build-a-simon-game.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/build-a-simon-game.chinese.md
index fc6d9e5834..d653f82251 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/build-a-simon-game.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/build-a-simon-game.chinese.md
@@ -35,4 +35,5 @@ tests: []
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/build-a-tic-tac-toe-game.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/build-a-tic-tac-toe-game.chinese.md
index 4a563ef852..e5b26c539c 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/build-a-tic-tac-toe-game.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/build-a-tic-tac-toe-game.chinese.md
@@ -35,4 +35,5 @@ tests: []
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/build-a-voting-app.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/build-a-voting-app.chinese.md
index c1a9878308..32dae79d83 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/build-a-voting-app.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/build-a-voting-app.chinese.md
@@ -35,4 +35,5 @@ tests: []
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/build-a-wikipedia-viewer.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/build-a-wikipedia-viewer.chinese.md
index a9bfba2d06..b893f1ae78 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/build-a-wikipedia-viewer.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/build-a-wikipedia-viewer.chinese.md
@@ -35,4 +35,5 @@ tests: []
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/build-an-image-search-abstraction-layer.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/build-an-image-search-abstraction-layer.chinese.md
index 1eae3ecc6c..07cb54ee46 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/build-an-image-search-abstraction-layer.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/build-an-image-search-abstraction-layer.chinese.md
@@ -35,4 +35,5 @@ tests: []
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/build-the-game-of-life.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/build-the-game-of-life.chinese.md
index 230d7adc4e..8ca10fefeb 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/build-the-game-of-life.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/build-the-game-of-life.chinese.md
@@ -35,4 +35,5 @@ tests: []
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/chart-the-stock-market.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/chart-the-stock-market.chinese.md
index 342ecb485e..1c71eced96 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/chart-the-stock-market.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/chart-the-stock-market.chinese.md
@@ -35,4 +35,5 @@ tests: []
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/manage-a-book-trading-club.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/manage-a-book-trading-club.chinese.md
index 6fd584c9f3..5d7ca7838c 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/manage-a-book-trading-club.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/manage-a-book-trading-club.chinese.md
@@ -34,4 +34,5 @@ tests: []
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/map-data-across-the-globe.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/map-data-across-the-globe.chinese.md
index 8fd98c1899..c6c3583194 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/map-data-across-the-globe.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/map-data-across-the-globe.chinese.md
@@ -35,4 +35,5 @@ tests: []
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/p2p-video-chat-application.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/p2p-video-chat-application.chinese.md
index 30b87b7b59..33f71aa4ef 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/p2p-video-chat-application.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/p2p-video-chat-application.chinese.md
@@ -35,4 +35,5 @@ tests: []
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/show-national-contiguity-with-a-force-directed-graph.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/show-national-contiguity-with-a-force-directed-graph.chinese.md
index cc550b6370..6e981100f4 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/show-national-contiguity-with-a-force-directed-graph.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/show-national-contiguity-with-a-force-directed-graph.chinese.md
@@ -35,4 +35,5 @@ tests: []
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/show-the-local-weather.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/show-the-local-weather.chinese.md
index ae8f3a5e38..c5fe0482ae 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/show-the-local-weather.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/show-the-local-weather.chinese.md
@@ -35,4 +35,5 @@ tests: []
 ```js
 // solution required
 ```
-</section>
+
+/section>
diff --git a/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/use-the-twitch-json-api.chinese.md b/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/use-the-twitch-json-api.chinese.md
index 52dcb45417..98bc5c2539 100644
--- a/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/use-the-twitch-json-api.chinese.md
+++ b/curriculum/challenges/chinese/10-coding-interview-prep/take-home-projects/use-the-twitch-json-api.chinese.md
@@ -35,4 +35,5 @@ tests: []
 ```js
 // solution required
 ```
-</section>
+
+/section>