From 7ebf3e4c7aea4e1a1e56ad259386888a88bb2916 Mon Sep 17 00:00:00 2001
From: Daniel <845765@qq.com>
Date: Sat, 27 Sep 2025 20:09:46 +0800
Subject: [PATCH] :art: Clean code

Signed-off-by: Daniel <845765@qq.com>
---
 kernel/model/conf.go | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/kernel/model/conf.go b/kernel/model/conf.go
index 1c13074dd..76a215ef0 100644
--- a/kernel/model/conf.go
+++ b/kernel/model/conf.go
@@ -693,7 +693,9 @@ func Close(force, setCurrentWorkspace bool, execInstallPkg int) (exitCode int) {
 	go func() {
 		time.Sleep(500 * time.Millisecond)
 		logging.LogInfof("exited kernel")
-		util.WebSocketServer.Close()
+		if nil != util.WebSocketServer {
+			util.WebSocketServer.Close()
+		}
 		util.HttpServing = false
 		os.Exit(logging.ExitCodeOk)
 	}()