Update README.md

Author: nepeplwu

README.md

@@ -2,6 +2,7 @@
 
 [![Build Status](https://travis-ci.org/PaddlePaddle/PaddleSeg.svg?branch=master)](https://travis-ci.org/PaddlePaddle/PaddleSeg)
 [![License](https://img.shields.io/badge/license-Apache%202-blue.svg)](LICENSE)
+[![Version](https://img.shields.io/github/release/PaddlePaddle/PaddleSeg.svg)](https://github.com/PaddlePaddle/PaddleSeg/releases)
 
 ## 简介
 
@@ -100,7 +101,7 @@ PaddleSeg在AI Studio平台上提供了在线体验的教程，欢迎体验：
 ##  交流与反馈
 * 欢迎您通过Github Issues来提交问题、报告与建议
 * 微信公众号：飞桨PaddlePaddle
-* QQ群: 432676488 
+* QQ群: 796771754 
 
 <p align="center"><img width="200" height="200"  src="https://user-images.githubusercontent.com/45189361/64117959-1969de80-cdc9-11e9-84f7-e1c2849a004c.jpeg"/>&#8194;&#8194;&#8194;&#8194;&#8194;<img width="200" height="200" margin="500" src="./docs/imgs/qq_group2.png"/></p>
 <p align="center">  &#8194;&#8194;&#8194;微信公众号&#8194;&#8194;&#8194;&#8194;&#8194;&#8194;&#8194;&#8194;&#8194;&#8194;&#8194;&#8194;&#8194;&#8194;&#8194;&#8194;官方技术交流QQ群</p>