diff --git a/class/core/system_api.py b/class/core/system_api.py
index 01a4773dc..4c15d512e 100755
--- a/class/core/system_api.py
+++ b/class/core/system_api.py
@@ -676,7 +676,7 @@ class system_api:
                 mw.execShell('unzip -o ' + toPath + '/mw.zip' + ' -d ./')
                 mw.execShell('unzip -o mw.zip -d ./')
                 mw.execShell('rm -f mw.zip')
-                mw.execShell('service mw restart')
+                self.restartMw()
                 return mw.returnJson(True, '安装更新成功!')
 
             return mw.returnJson(False, '已经是最新,无需更新!')