Update README.md

Author: leiqing1

README.md

@@ -311,5 +311,5 @@ python setup.py install
 - 欢迎加入PaddleSlim 微信技术交流群
 
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-  <img src="https://user-images.githubusercontent.com/54695910/194990576-8c287d06-9543-4677-a496-5918a22c835d.png"  width = "225" height = "225" />
+  <img src="https://user-images.githubusercontent.com/54695910/197434181-e21f9ea1-a3bd-482f-b622-c19bb152ff75.png"  width = "225" height = "225" />
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