diff --git a/kernel/model/conf.go b/kernel/model/conf.go
index cd2145592..b66b8333f 100644
--- a/kernel/model/conf.go
+++ b/kernel/model/conf.go
@@ -379,6 +379,7 @@ func Close(force bool, execInstallPkg int) (exitCode int) {
 	//	return true
 	//})
 
+	waitSecondForExecInstallPkg := false
 	if !skipNewVerInstallPkg() {
 		newVerInstallPkgPath := getNewVerInstallPkgPath()
 		if "" != newVerInstallPkgPath {
@@ -387,6 +388,7 @@ func Close(force bool, execInstallPkg int) (exitCode int) {
 				logging.LogInfof("the new version install pkg is ready [%s], waiting for the user's next instruction", newVerInstallPkgPath)
 				return
 			} else if 2 == execInstallPkg { // 执行新版本安装
+				waitSecondForExecInstallPkg = true
 				go execNewVerInstallPkg(newVerInstallPkgPath)
 			}
 		}
@@ -398,6 +400,9 @@ func Close(force bool, execInstallPkg int) (exitCode int) {
 
 	go func() {
 		time.Sleep(500 * time.Millisecond)
+		if waitSecondForExecInstallPkg {
+			time.Sleep(1 * time.Second)
+		}
 		logging.LogInfof("exited kernel")
 		util.WebSocketServer.Close()
 		os.Exit(util.ExitCodeOk)
diff --git a/kernel/model/updater.go b/kernel/model/updater.go
index 26b3c9e91..37eb39e16 100644
--- a/kernel/model/updater.go
+++ b/kernel/model/updater.go
@@ -46,12 +46,11 @@ func execNewVerInstallPkg(newVerInstallPkgPath string) {
 		cmd = exec.Command("sh", "-c", newVerInstallPkgPath)
 	}
 	util.CmdAttr(cmd)
-	data, cmdErr := cmd.CombinedOutput()
+	cmdErr := cmd.Start()
 	if nil != cmdErr {
 		logging.LogErrorf("exec install new version failed: %s", cmdErr)
 		return
 	}
-	logging.LogInfof("installed new version output [%s]", data)
 }
 
 func getNewVerInstallPkgPath() string {