diff --git a/handler/tool.go b/handler/tool.go
index ffa136e..868555f 100644
--- a/handler/tool.go
+++ b/handler/tool.go
@@ -11,6 +11,7 @@ import (
 	"io"
 	"log"
 	"net/http"
+	"runtime"
 	"strconv"
 	"time"
 )
@@ -230,4 +231,7 @@ func subscribeAndHandleMessagesV3(ws *websocket.Conn, deviceId int) {
 		worker.SetRedisWithExpire(strconv.Itoa(deviceId)+"_is_play", "1", time.Minute*5)
 		log.Printf("device_id: %d has set is_play to 0", deviceId)
 	}
+
+	//垃圾回收
+	runtime.GC()
 }