diff --git a/README.md b/README.md
index 0698823..8bb2462 100644
--- a/README.md
+++ b/README.md
@@ -16,9 +16,7 @@ go wvp 是 Go 语言实现的开源 GB28181 解决方案，基于 GB28181-2022 
 
 + [在线演示平台 :)](http://gowvp.golang.space:15123/)
 
-
-|![](./docs/demo/home.webp)|![](./docs/demo/play.webp)|
-|-|-|
+![](./docs/demo/play.gif)
 
 ## 应用场景：
 + 支持浏览器无插件播放摄像头视频。
diff --git a/docs/demo/home.webp b/docs/demo/home.webp
index 90f3724..3dce60f 100644
Binary files a/docs/demo/home.webp and b/docs/demo/home.webp differ
diff --git a/docs/demo/play.gif b/docs/demo/play.gif
new file mode 100644
index 0000000..5d31da5
Binary files /dev/null and b/docs/demo/play.gif differ
diff --git a/docs/demo/play.webp b/docs/demo/play.webp
deleted file mode 100644
index 68b0738..0000000
Binary files a/docs/demo/play.webp and /dev/null differ
diff --git a/pkg/gbs/server.go b/pkg/gbs/server.go
index deeda40..0347646 100644
--- a/pkg/gbs/server.go
+++ b/pkg/gbs/server.go
@@ -94,9 +94,6 @@ func (s *Server) startTickerCheck() {
 			}
 
 			if sub := now.Sub(value.LastKeepaliveAt); sub >= 3*60*time.Second || value.conn == nil {
-				fmt.Println(now)
-				fmt.Println(sub)
-				fmt.Println(value.LastKeepaliveAt)
 				s.gb.logout(key, func(d *gb28181.Device) {
 					d.IsOnline = false
 				})