Update README.md

README.md

@@ -2,7 +2,7 @@
 
 #### Go 支付相关SDK
 
-![](https://img02.sogoucdn.com/app/a/100520146/0E446154E959553AC7FD7D86E912A822)
+![](https://img02.sogoucdn.com/app/a/100520146/2D860B130504E7780A8F94CFACC023DD)
 
 ### 微信支付 example