diff --git a/handler/device.go b/handler/device.go
index 5ea231f..83424bc 100644
--- a/handler/device.go
+++ b/handler/device.go
@@ -233,6 +233,7 @@ func subscribeAndHandleMessages(ws *websocket.Conn, device_id int) {
 	ctx := context.Background()
 	pubsub := worker.RedisClient.Subscribe(ctx, strconv.Itoa(device_id)+"_frames_msgs")
 	defer pubsub.Close()
+	defer ws.Close()
 	ch := pubsub.Channel()
 	var check_cnt int
 	for msg := range ch {
@@ -261,10 +262,9 @@ func subscribeAndHandleMessages(ws *websocket.Conn, device_id int) {
 			clientsMux.Lock()
 			clients[ws] = false
 			clientsMux.Unlock()
-			ws.Close()
+			fmt.Println("send message to client err:", err2)
 			worker.SetRedisWithExpire(strconv.Itoa(device_id)+"_is_play", "0", time.Minute*5)
 			break
 		}
-		time.Sleep(time.Millisecond * 200)
 	}
 }