Update README.md

README.md

@@ -8,7 +8,7 @@ Sky Walking | [中文](README_ZH.md)
 [![Build Status](https://travis-ci.org/OpenSkywalking/skywalking.svg?branch=master)](https://travis-ci.org/OpenSkywalking/skywalking)
 [![Coverage Status](https://coveralls.io/repos/github/OpenSkywalking/skywalking/badge.svg?branch=master&forceUpdate=2)](https://coveralls.io/github/OpenSkywalking/skywalking?branch=master)
 ![license](https://img.shields.io/aur/license/yaourt.svg)
-[![Join the chat at https://gitter.im/sky-walking/Lobby](https://badges.gitter.im/sky-walking/Lobby.svg)](https://gitter.im/sky-walking/Lobby?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
+[![Join the chat at https://gitter.im/sky-walking/Lobby](https://badges.gitter.im/openskywalking/Lobby.svg)](https://gitter.im/openskywalking/Lobby)
 [![OpenTracing-1.x Badge](https://img.shields.io/badge/OpenTracing--1.x-enabled-blue.svg)](http://opentracing.io)
 
 
@@ -59,7 +59,7 @@ This project adheres to the Contributor Covenant [code of conduct](CODE_OF_CONDU
 
 # Contact Us
 * Submit an issue
-* [Gitter](https://gitter.im/sky-walking/Lobby)
+* [Gitter](https://gitter.im/openskywalking/Lobby)
 * [Google Mailing List](https://groups.google.com/forum/#!forum/skywalking-distributed-tracing-and-apm)
 * QQ Group: 392443393