求你们帮我看看，我用这个就报错

[parlay96]

`popper.js:41 Uncaught TypeError: Cannot set property 'Popper' of undefined
at popper.js:41
at Module. (popper.js:30)
at Module../node_modules/element-ui/src/utils/popper.js (main.js:81753)
at webpack_require (bootstrap:769)
at fn (bootstrap:129)
at Module../node_modules/element-ui/src/utils/vue-popper.js (vue-popper.js:6)
at webpack_require (bootstrap:769)
at fn (bootstrap:129)
at Module../node_modules/babel-loader/lib/index.js!./node_modules/vue-loader/lib/index.js?!./src/vue-element-bigdata-table/filter-panel.vue?vue&type=script&lang=js& (main.js:6975)
at webpack_require (bootstrap:769)