④群

README.md

@@ -9,7 +9,7 @@
 [![QQ①群2021514](https://img.shields.io/badge/QQ①群-2021514-brightgreen)](https://qm.qq.com/cgi-bin/qm/qr?k=LGf0OPQqvLGdJIZST3VTcypdVWhdfAOG&jump_from=webapi)
 [![QQ②群324606263](https://img.shields.io/badge/QQ②群-324606263-brightgreen)](https://qm.qq.com/cgi-bin/qm/qr?k=IMas2cH-TNsYxUcY8lRbsXqPnA2sGHYQ&jump_from=webapi)
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-
+[![QQ④群780133058](https://img.shields.io/badge/QQ③群-780133058-brightgreen)](https://qm.qq.com/cgi-bin/qm/qr?k=Gj47w9kg7TlV5ceD5Bqew_M_O0PIjh_l&jump_from=webapi)
 
 JetLinks 基于Java8,Spring Boot 2.x,WebFlux,Netty,Vert.x,Reactor等开发, 
 是一个开箱即用,可二次开发的企业级物联网基础平台。平台实现了物联网相关的众多基础功能,
@@ -28,9 +28,6 @@ JetLinks 基于Java8,Spring Boot 2.x,WebFlux,Netty,Vert.x,Reactor等开发,
 
 地理位置:统一管理地理位置信息,支持区域搜索. 
 
-官方QQ: ①群 [2021514](https://qm.qq.com/cgi-bin/qm/qr?k=LGf0OPQqvLGdJIZST3VTcypdVWhdfAOG&jump_from=webapi)
-, ②群 [324606263](https://qm.qq.com/cgi-bin/qm/qr?k=IMas2cH-TNsYxUcY8lRbsXqPnA2sGHYQ&jump_from=webapi)
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 ## 技术栈
 
 1. [Spring Boot 2.3.x](https://spring.io/projects/spring-boot)