diff --git a/internal/biz/router.go b/internal/biz/router.go
index 1ad473e..906f9f0 100644
--- a/internal/biz/router.go
+++ b/internal/biz/router.go
@@ -214,6 +214,11 @@ func sendWithTimeout(c *websocket.Conn, data entitys.Response, timeout time.Dura
 
 	done := make(chan error, 1)
 	go func() {
+		defer func() {
+			if r := recover(); r != nil {
+				done <- fmt.Errorf("panic in MsgSend: %v", r)
+			}
+		}()
 		done <- entitys.MsgSend(c, data)
 	}()
 
diff --git a/internal/entitys/response.go b/internal/entitys/response.go
index 0031d5e..d5ba6dc 100644
--- a/internal/entitys/response.go
+++ b/internal/entitys/response.go
@@ -47,6 +47,8 @@ func MsgSet(msgType ResponseType, msg string, done bool) []byte {
 }
 
 func MsgSend(c *websocket.Conn, msg Response) error {
+	// 检查上下文是否已取消
+
 	jsonByte, _ := json.Marshal(msg)
 
 	return c.WriteMessage(websocket.TextMessage, jsonByte)