diff --git a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-javascript/use-recursion-to-create-a-countdown.md b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-javascript/use-recursion-to-create-a-countdown.chinese.md
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diff --git a/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-projects/sudoku-solver.english.md b/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-projects/sudoku-solver.chinese.md
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diff --git a/curriculum/challenges/chinese/09-information-security/information-security-projects/port-scanner.english.md b/curriculum/challenges/chinese/09-information-security/information-security-projects/port-scanner.chinese.md
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diff --git a/curriculum/challenges/chinese/09-information-security/information-security-projects/secure-real-time-multiplayer-game.english.md b/curriculum/challenges/chinese/09-information-security/information-security-projects/secure-real-time-multiplayer-game.chinese.md
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diff --git a/curriculum/challenges/chinese/09-information-security/information-security-projects/sha-1-password-cracker.english.md b/curriculum/challenges/chinese/09-information-security/information-security-projects/sha-1-password-cracker.chinese.md
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