- [ ] I have searched the [issues](https://github.com/vueComponent/ant-design-vue/issues) of this repository and believe that this is not a duplicate. ### Version 2.1.4 ### Environment windows10, edge 91.0.864.41, vue 3.0.5 ### Reproduction link [http://baidu.com](http://baidu.com) ### Steps to reproduce mouse move in menu component ### What is expected? have no warning console ### What is actually happening? when mouse leave or enter menu components, console log file "runtime-core.esm-bundler.js:2794" warning <!-- generated by issue-helper. DO NOT REMOVE -->