diff --git a/main.go b/main.go
index 65883a7..8b66b0a 100644
--- a/main.go
+++ b/main.go
@@ -138,6 +138,13 @@ func StartNode(cfg *ConfigServer) {
 	// 设置共享的参数
 	DequeueHandler.WithShared(nh)
 
+	go func() {
+		for DequeueHandler != nil {
+			DequeueHandler.Notify(DequeueHandler.NULL)
+			time.Sleep(time.Second * 5)
+		}
+	}()
+
 	if err := nh.StartReplica(initialMembers, false, NewSMQueue, rc); err != nil {
 		fmt.Fprintf(os.Stderr, "failed to add cluster, %v\n", err)
 		os.Exit(1)