diff --git a/README.md b/README.md
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+++ b/README.md
@@ -1 +1,34 @@
 # FlutterSample
+
+
+## Usage
+
+1. Switch to the corresponding branch  
+2. Switch directory to flutter module 
+
+```
+cd sub/my_flutter/
+```
+
+3. run
+
+```
+flutter run
+```
+
+## Branch
+
+**feature/ui-refresh-one:**  
+Direct layout
+
+![](./ext_res/ui-refresh-one.png)
+
+**feature/ui-refresh-two:**  
+Two widget combinations：Expanded Widget + Column Widget
+
+![](./ext_res/ui-refresh-two.png)
+
+**feature/ui-refresh-three:**  
+Column Widget + mainAxisAlignment attr
+
+![](./ext_res/ui-refresh-three.png)