diff --git a/hotkey-alt-enter-introduce.md b/hotkey-alt-enter-introduce.md
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+++ b/hotkey-alt-enter-introduce.md
@@ -17,10 +17,20 @@
 
 > * 在 **接口实现类** 中添加一个方法后，让该 **接口类** 也跟着生成
 
+![智能辅助](images/hotkey-alt-enter-introduce-3.gif)
+
+> * 对当前光标所在类，生成单元测试类
+
+![智能辅助](images/hotkey-alt-enter-introduce-4.gif)
+
+> * 对当前光标所在类，创建子类，常用在对接口生成接口实现类
+
+![智能辅助](images/hotkey-alt-enter-introduce-5.gif)
+
+> * 移除未使用的变量、对象等元素
+
+
 - 待整理：
-	- 对当前光标所在类，生成单元测试类
-	- 对当前光标所在类，创建子类
-	- 移除未使用的变量、对象等元素
 	- 对属性创建 set、get 方法
 	- 添加 doc
 	- 把自己造的单词加入词库中
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