最新版menu菜单设置展开菜单式，页面进入的瞬间会闪一下 ，但是旧版不会

[MaZhaolin]

• I have searched the issues of this repository and believe that this is not a duplicate.

Version

1.2.3

Environment

Mac OS X 10_13_6 Chrome/71.0.3578.98 Vue2.5

Reproduction link

Steps to reproduce

最新版的地址 https://codesandbox.io/s/r5mkvl21rq

1.1.6版本重现地址： https://codesandbox.io/s/32r03jqyvp

What is expected?

和旧版一致不闪动

What is actually happening?

进入页面时闪动

[tangjinzhou]

please update to 1.2.4

[github-actions]

This issue has been automatically locked since there has not been any recent activity after it was closed. Please open a new issue for related bugs.