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README.md

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 <h2 align="center">什么是PaddleRec?</h2>
 
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 - 源于飞桨生态的搜索推荐模型 **一站式开箱即用工具** 
 - 适合初学者，开发者，研究者的推荐系统全流程解决方案
@@ -152,4 +152,4 @@ python -m paddlerec.run -m paddlerec.models.rank.dnn
 亦可通过以下方式与我们沟通交流：
 
 <p align="center"><img width="200" height="200"  src="doc/imgs/wechet.png"/>&#8194;&#8194;&#8194;&#8194;&#8194;<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">  &#8194;&#8194;&#8194;&#8194;&#8194;&#8194;微信公众号&#8194;&#8194;&#8194;&#8194;&#8194;&#8194;&#8194;&#8194;&#8194;&#8194;&#8194;&#8194;&#8194;&#8194;&#8194;PaddleRec交流QQ群&#8194;&#8194;&#8194;&#8194;&#8194;&#8194;&#8194;&#8194;&#8194;&#8194;&#8194;&#8194;PaddleRec微信小助手</p>
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+<p align="center">  &#8194;&#8194;&#8194;&#8194;&#8194;&#8194;微信公众号&#8194;&#8194;&#8194;&#8194;&#8194;&#8194;&#8194;&#8194;&#8194;&#8194;&#8194;&#8194;&#8194;&#8194;PaddleRec交流QQ群&#8194;&#8194;&#8194;&#8194;&#8194;&#8194;&#8194;&#8194;&#8194;&#8194;&#8194;&#8194;PaddleRec微信小助手</p>
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