Update README.md

Author: ben620

README.md

@@ -30,7 +30,7 @@ TscanCode is devoted to help programmers to find out code defects at the very be
 For other changes please refer to [change log](CHANGELOG.md).
 
 QQ group1(已满):  
-![TscanCode交流群群二维码](https://user-images.githubusercontent.com/2759146/165882694-5318874d-fb3d-4974-8b14-02c6beed6ffb.png)
+![TscanCode交流群群二维码](https://user-images.githubusercontent.com/2759146/165882694-5318874d-fb3d-4974-8b14-02c6beed6ffb.png)  
 QQ group2:  
 ![QQ图片20231225162750](https://github.com/Tencent/TscanCode/assets/2759146/a252c632-1462-49c1-80c7-e44c3d1880b9)