Update badge

Author: AlexV525

README.md

@@ -14,7 +14,7 @@ that can be found in the LICENSE file. -->
 [![GitHub forks](https://img.shields.io/github/forks/fluttercandies/flutter_wechat_assets_picker?logo=github&style=flat-square)](https://github.com/fluttercandies/flutter_wechat_assets_picker/network)
 
 [![Awesome Flutter](https://cdn.rawgit.com/sindresorhus/awesome/d7305f38d29fed78fa85652e3a63e154dd8e8829/media/badge.svg)](https://github.com/Solido/awesome-flutter)
-[![Flutter Candies QQ群](https://pub.idqqimg.com/wpa/images/group.png)](https://jq.qq.com/?_wv=1027&k=5bcc0gy)
+<a href="https://qm.qq.com/q/ZyJbSVjfSU"><img src="https://img.shields.io/badge/dynamic/yaml?url=https%3A%2F%2Fraw.githubusercontent.com%2Ffluttercandies%2F.github%2Frefs%2Fheads%2Fmain%2Fdata.yml&query=%24.qq_group_number&label=QQ%E7%BE%A4&logo=qq&style=flat&color=1DACE8" /></a>
 
 Language: English | [中文](README-ZH.md)