LiZhuoyuan
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Update README.md

@@ -90,6 +90,7 @@ Adapted to screen height: `ScreenUtil().setHeight(200)`, @@ -90,6 +90,7 @@ Adapted to screen height: `ScreenUtil().setHeight(200)`,
90 If your dart sdk>=2.6, you can use extension functions: 90 If your dart sdk>=2.6, you can use extension functions:
91 91
92 example: 92 example:
  93 +
93 instead of : 94 instead of :
94 ``` 95 ```
95 Container( 96 Container(