diff --git a/internal/nodes/node.go b/internal/nodes/node.go
index 5518d4a..30c0c05 100644
--- a/internal/nodes/node.go
+++ b/internal/nodes/node.go
@@ -297,7 +297,12 @@ func (this *Node) loop() error {
 	for _, task := range tasksResp.NodeTasks {
 		switch task.Type {
 		case "ipItemChanged":
-			iplibrary.IPListUpdateNotify <- true
+			// 防止阻塞
+			select {
+			case iplibrary.IPListUpdateNotify <- true:
+			default:
+
+			}
 
 			// 修改为已同步
 			_, err = rpcClient.NodeTaskRPC().ReportNodeTaskDone(nodeCtx, &pb.ReportNodeTaskDoneRequest{
@@ -334,11 +339,12 @@ func (this *Node) loop() error {
 			if err != nil {
 				return err
 			}
-
 		case "nodeVersionChanged":
-			goman.New(func() {
-				sharedUpgradeManager.Start()
-			})
+			if !sharedUpgradeManager.IsInstalling() {
+				goman.New(func() {
+					sharedUpgradeManager.Start()
+				})
+			}
 		case "scriptsChanged":
 			err = this.reloadCommonScripts()
 			if err != nil {
diff --git a/internal/nodes/upgrade_manager.go b/internal/nodes/upgrade_manager.go
index f13443f..24e52e1 100644
--- a/internal/nodes/upgrade_manager.go
+++ b/internal/nodes/upgrade_manager.go
@@ -69,6 +69,11 @@ func (this *UpgradeManager) Start() {
 	})
 }
 
+// IsInstalling 检查是否正在安装
+func (this *UpgradeManager) IsInstalling() bool {
+	return this.isInstalling
+}
+
 func (this *UpgradeManager) install() error {
 	// 检查是否有已下载但未安装成功的
 	if len(this.lastFile) > 0 {