IDEA中输入npm run serve ，出现该错误
Uncaught runtime errors:
ERROR
Cannot read properties of undefined (reading 'prototype') TypeError: Cannot read properties of undefined (reading 'prototype') at eval (webpack-internal:///./node_modules/element-ui/lib/utils/types.js:41:115) at ./node_modules/element-ui/lib/utils/types.js (http://localhost:8080/js/chunk-vendors.js:900:1) at __webpack_require__ (http://localhost:8080/js/app.js:348:33) at fn (http://localhost:8080/js/app.js:621:21) at eval (webpack-internal:///./node_modules/element-ui/lib/utils/util.js:18:14) at ./node_modules/element-ui/lib/utils/util.js (http://localhost:8080/js/chunk-vendors.js:911:1) at __webpack_require__ (http://localhost:8080/js/app.js:348:33) at fn (http://localhost:8080/js/app.js:621:21) at eval (webpack-internal:///./node_modules/element-ui/lib/locale/format.js:43:13) at ./node_modules/element-ui/lib/locale/format.js (http://localhost:8080/js/chunk-vendors.js:556:1)
这个报错显示的是element-ui没有正确加载