增加微信交流群二维码，方便不使用QQ的用户沟通问题。

README.md

@@ -30,7 +30,7 @@ QQ群：70494974
 [![](https://img.shields.io/badge/点击访问官方网站-coreshop.cn-brightgreen)](https://www.coreshop.cn/)  [![](https://img.shields.io/badge/点击加QQ群-70494974-red)](https://jq.qq.com/?_wv=1027&k=y83TiQC7)
 
 <p align="center">
-    <img alt="wechat" src="http://files.cdn.coreshop.cn/wechat.png" width="400" style="margin-bottom: 10px;">
+    <img alt="wechat" src="https://gitee.com/jianweie/images/raw/master/coreshop/images/wechat.png" width="400" style="margin-bottom: 10px;">
 </p>