update readme (#848)

* update readme

* update readme

* update readme

README.md

@@ -1,12 +1,11 @@
 # WeChat SDK for Go
 
-![Go](https://github.com/silenceper/wechat/workflows/Go/badge.svg?branch=release-2.0)
-[![Go Report Card](https://goreportcard.com/badge/github.com/silenceper/wechat)](https://goreportcard.com/report/github.com/silenceper/wechat)
+![Go](https://github.com/silenceper/wechat/actions/workflows/go.yml/badge.svg?branch=v2)
+[![Go Report Card](https://goreportcard.com/badge/github.com/silenceper/wechat/v2)](https://goreportcard.com/report/github.com/silenceper/wechat/v2)
 [![pkg](https://img.shields.io/badge/dev-reference-007d9c?logo=go&logoColor=white&style=flat)](https://pkg.go.dev/github.com/silenceper/wechat/v2?tab=doc)
-![version](https://img.shields.io/badge/version-v2-green)
+![GitHub release (latest SemVer)](https://img.shields.io/github/v/release/silenceper/wechat?sort=semver)
 
 使用Golang开发的微信SDK，简单、易用。
-> 注意：当前版本为v2版本，v1版本已废弃
 
 ## 文档 && 例子
 
@@ -75,7 +74,13 @@ server.Send()
 - 提交issue，描述需要贡献的内容
 - 完成更改后，提交PR
 
-## 公众号
+
+## 感谢以下贡献者
+
+<a href="https://opencollective.com/gowechat"><img src="https://opencollective.com/gowechat/contributors.svg?width=890" /></a>
+
+
+## 作者公众号
 
 ![img](https://silenceper.oss-cn-beijing.aliyuncs.com/qrcode/search_study_program.png)