diff --git a/README.md b/README.md
index 21d7c77c5..dc645d217 100755
--- a/README.md
+++ b/README.md
@@ -7,6 +7,7 @@
 [![](https://codecov.io/gh/ossrs/srs/branch/4.0release/graph/badge.svg)](https://codecov.io/gh/ossrs/srs/branch/4.0release)
 [![](https://gitee.com/winlinvip/srs-wiki/raw/master/images/wechat-badge4.svg)](../../wikis/Contact#wechat)
 [![](https://gitee.com/winlinvip/srs-wiki/raw/master/images/srs-faq.svg)](https://github.com/ossrs/srs/issues/2716)
+[![](https://gitee.com/winlinvip/srs-wiki/raw/master/images/mulan-incubating.svg)](http://mulanos.cn)
 
 SRS/4.0，[Leo][release4]，是一个简单高效的实时视频服务器，支持RTMP/WebRTC/HLS/HTTP-FLV/SRT。