update contact

about/contact.md

@@ -5,8 +5,7 @@
   - [Chat on reddit](https://www.reddit.com/r/xmake/)
   - [Chat on telegram](https://t.me/tbooxorg)
   - [Chat on gitter](https://gitter.im/xmake-io/xmake?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
-  - [Chat on discord/en](https://discord.gg/XXRp26A4Gr)
-  - [Chat on discord/zh](https://discord.gg/aY7RVeKdG7)
+  - [Chat on discord](https://discord.gg/xmake)
   - Chat on QQ Group: 343118190(Technical Support), 662147501
 * Source Code：[Github](https://github.com/xmake-io/xmake), [Gitee](https://gitee.com/tboox/xmake)
 * Wechat Public: tboox-os

zh-cn/about/contact.md

@@ -5,7 +5,7 @@
   - [Reddit论坛](https://www.reddit.com/r/xmake/)
   - [Telegram群组](https://t.me/tbooxorg)
   - [Gitter聊天室](https://gitter.im/xmake-io/xmake?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
-  - [Discord聊天室](https://discord.gg/aY7RVeKdG7)
+  - [Discord聊天室](https://discord.gg/xmake)
   - QQ群：343118190(技术支持), 662147501
 * 源码：[Github](https://github.com/xmake-io/xmake), [Gitee](https://gitee.com/tboox/xmake)
 * 微信公众号：tboox-os