add wechat link
add joinus
@@ -37,7 +37,9 @@ PaddleClas is a toolset for image classification tasks prepared for the industry
* Scan the QR code below with your Wechat, you can access to official technical exchange group. Look forward to your participation.
-![](docs/images/joinus.png)
+<div align="center">
+<img src="./docs/images/joinus.png" width = "200" height = "200" />
+</div>
## Tutorials
