diff --git a/guide/chinese/javascript/tutorials/finding-a-remainder-in-javascript/index.md b/guide/chinese/javascript/tutorials/finding-a-remainder-in-javascript/index.md
index 9b2bdae81e..67bd82f064 100644
--- a/guide/chinese/javascript/tutorials/finding-a-remainder-in-javascript/index.md
+++ b/guide/chinese/javascript/tutorials/finding-a-remainder-in-javascript/index.md
@@ -6,10 +6,11 @@ _余数运算符_ `%`给出了两个数的除法的余数。
 
 ## 例
 ```
-5 % 2 = 1 because 
- Math.floor(5 / 2) = 2 (Quotient) 
+5 % 2 = 1
+原因：
+ Math.floor(5 / 2) = 2 (商数) 
  2 * 2 = 4 
- 5 - 4 = 1 (Remainder) 
+ 5 - 4 = 1 (余数) 
 ```
 
 ## 用法
@@ -20,4 +21,4 @@ _余数运算符_ `%`给出了两个数的除法的余数。
  48 % 2 = 0 (48 is Even) 
 ```
 
-**注意**不要将它与_模数_ `%`混淆，否则与负数不兼容。
\ No newline at end of file
+**注意**不要将它与_模数_ `%`混淆，否则与负数不兼容。