diff --git a/web/admin/setup/init_cmd.py b/web/admin/setup/init_cmd.py
index fd75bc2fb..f9ed2bfe8 100644
--- a/web/admin/setup/init_cmd.py
+++ b/web/admin/setup/init_cmd.py
@@ -44,6 +44,8 @@ def init_cmd():
 
     if os.path.exists('/etc/init.d'):
         initd_bin = '/etc/init.d/mw'
+        if not os.access(initd_bin, os.W_OK):
+            return False
         shutil.copyfile(script_bin, initd_bin)
         mw.execShell('chmod +x ' + initd_bin)
         # 加入自启动