fix

Author: MrChengmo

README.md

@@ -175,5 +175,8 @@ python -m paddlerec.run -m paddlerec.models.rank.dnn
 
 亦可通过以下方式与我们沟通交流：
 
+- QQ群号码：`861717190`
+- 微信小助手微信号：`paddlerec2020`
+
 <p align="center"><img width="200" height="200" margin="500" src="./doc/imgs/QQ_group.png"/>&#8194;&#8194;&#8194;&#8194;&#8194<img width="200" height="200"  src="doc/imgs/weixin_supporter.png"/></p>
 <p align="center">PaddleRec交流QQ群&#8194;&#8194;&#8194;&#8194;&#8194;&#8194;&#8194;&#8194;&#8194;&#8194;&#8194;&#8194;&#8194;&#8194;&#8194;PaddleRec微信小助手</p>