Update README.md

Update README.md

Author: Sl0v3C

README.md

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 　2. [用法](#用法)  
 　3. [注意](#注意)  
 
-<img width="200" height="400" src="/gif/example.gif">  
+<img width="202" height="340" src="/gif/example.gif">  
 
 # Android_AutoSignInTool
 Android sign in tool for 3rd party apps automatically or semi-automatically.