1.cnpm安裝 cnpm i babel-polyfill --save cnpm i es6-promise --save 2.main.js引入 import ‘babel-polyfill‘ import Es6Promise from ‘es6-promise‘ Es6Promise.polyfill() 3.webpack.base.conf.js module.exports = { entry: { "babel-polyfill":"babel-polyfill", app: ‘./src/main.js‘ } 如果還有問題,先根據報錯信息網上搜索一下處理方案