【fix】优化打包

Author: songyumeng

build/webpack.config.base.js

@@ -34,7 +34,7 @@ module.exports = {
  mode: 'production',
  //页面入口文件配置
  entry: moduleVersion === "es5" ? [
- `${__dirname}/../node_modules/core-js/actual/symbol/async-iterator.js`, `${__dirname}/../node_modules/core-js/actual/object/assign.js`, `${__dirname}/polyfill.js`
+ `${__dirname}/../node_modules/core-js/actual/symbol/async-iterator.js`, `${__dirname}/../node_modules/core-js/actual/object/assign.js`
  ] : [],
 
  output: function (libName, productName) {