update babel 配置

build/webpack.base.conf.js

@@ -84,10 +84,8 @@ $GLOBAL.BaseConfig = {
             '@babel/preset-env',
             {
               "targets": {
-                "browsers": [
-                  "last 2 versions",
-                  "ie >= 11"
-                ],
+                "chrome": "58",
+                "ie": "11"
               },
               corejs: '3.6.5',
               useBuiltIns: 'usage'

package.json

@@ -43,7 +43,6 @@
     "babel-eslint": "^10.1.0",
     "babel-helper-vue-jsx-merge-props": "^2.0.3",
     "babel-loader": "^8.1.0",
-    "babel-polyfill": "^6.26.0",
     "clean-webpack-plugin": "^1.0.1",
     "copy-webpack-plugin": "^5.1.2",
     "css-loader": "^4.3.0",

src/main.js

@@ -10,7 +10,6 @@ import Modules from '@/modules'
 import createBefore from './components/beforeEnter'
 import _ from 'lodash'
 import VueMeta from 'vue-meta'
-import 'babel-polyfill'
 Vue.use(VueMeta)
 
 Vue.prototype.$_ = _