diff --git a/README.md b/README.md
index 21819cc..8e2f273 100644
--- a/README.md
+++ b/README.md
@@ -30,7 +30,7 @@ CIM采用业内主流开源技术构建，易于扩展和使用，并完美支
 
 
 <div align="center">
-   <img src="http://staticres.oss-cn-hangzhou.aliyuncs.com/hoxin/call_video_incoming.jpg" width="24%"  />
+   <img src="http://staticres.oss-cn-hangzhou.aliyuncs.com/hoxin/group_video_calling.jpg" width="24%"  />
    <img src="http://staticres.oss-cn-hangzhou.aliyuncs.com/hoxin/single_chatting_light.jpg" width="24%"  />
    <img src="http://staticres.oss-cn-hangzhou.aliyuncs.com/hoxin/single_chatting_dark.jpg" width="24%"  />
    <img src="http://staticres.oss-cn-hangzhou.aliyuncs.com/hoxin/moment_timeline_light.jpg" width="24%"  />