diff --git a/web/admin/setup/init_cmd.py b/web/admin/setup/init_cmd.py
index cad992acb..fc659b485 100644
--- a/web/admin/setup/init_cmd.py
+++ b/web/admin/setup/init_cmd.py
@@ -39,16 +39,19 @@ def init_cmd():
     # initd
     if os.path.exists('/etc/rc.d/init.d'):
         initd_bin = '/etc/rc.d/init.d/mw'
-        mw.writeFile(initd_bin, cmd_content)
-        mw.execShell('chmod +x ' + initd_bin)
+        if not os.path.exists(initd_bin):
+            mw.writeFile(initd_bin, cmd_content)
+            mw.execShell('chmod +x ' + initd_bin)
         # 加入自启动
         mw.execShell('which chkconfig && chkconfig --add mw')
 
 
     if os.path.exists('/etc/init.d'):
         initd_bin = '/etc/init.d/mw'
-        mw.writeFile(initd_bin, cmd_content)
-        mw.execShell('chmod +x ' + initd_bin)
+
+        if not os.path.exists(initd_bin):
+            mw.writeFile(initd_bin, cmd_content)
+            mw.execShell('chmod +x ' + initd_bin)
         # 加入自启动
         mw.execShell('which update-rc.d && update-rc.d -f mw defaults')