diff --git a/4-Classification/1-Introduction/translations/README.zh-cn.md b/4-Classification/1-Introduction/translations/README.zh-cn.md
index d85c266cad6587218f84b3e9b39894a18745991d..1dbc3598d3283b1ac6d94edc79606ce5be817745 100644
--- a/4-Classification/1-Introduction/translations/README.zh-cn.md
+++ b/4-Classification/1-Introduction/translations/README.zh-cn.md
@@ -282,13 +282,11 @@ Scikit-learn项目提供多种对数据进行分类的算法，你需要根据
 
 ## [课后练习](https://jolly-sea-0a877260f.azurestaticapps.net/quiz/20/)
 
-## Review & Self Study
+## 回顾 & 自学
 
 探索一下 SMOTE的API文档。思考一下它最适合于什么样的情况、它能够解决什么样的问题。
 
-## Assignment 
+## 课后作业 
 
 [探索一下分类方法](../assignment.md)
-{"mode":"full","isActive":false}
-
-
+{"mode":"full","isActive":false}
\ No newline at end of file