- [ ] 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 1.4.12 ### Environment macOS:10.15.3 ,Chrome: 80.0.3987.132,vue: 2.6.11 ### Reproduction link [https://github.com/JollyGo/vue-learn](https://github.com/JollyGo/vue-learn) ### Steps to reproduce ``` # git clone https://github.com/JollyGo/vue-learn # yarn # yarn run serve ``` ### What is expected? 能够正常显示目录 ### What is actually happening? 无显示,在Console中出现 TypeError: Cannot read property 'propsData' of undefined ,报错文件位置在.node_modules/ant-design-vue/es/vc-menu/SubPopupMenu.js --- 当使用Vue.use 加载Menu当时候就正常使用,在main.js中加载或者在SubMenu.vue中使用都可以正常使用 <!-- generated by issue-helper. DO NOT REMOVE -->