Update README.md

Author: Wscats

README.md

@@ -26,8 +26,8 @@ _:rabbit:angular的学习资料 These are about angular learning materials, hopi
 
 ## 控制器
 
-| Controller |
-| --------- |
+| Controller ||
+| --------- | --------- |
 |[Angular控制器demo](https://wscats.github.io/angular-demo/view/student.html)|[Angular表达式](https://wscats.github.io/angular-demo/angular表达式.html)|
 |[Angular事件广播](https://wscats.github.io/angular-demo/angular事件广播.html)||