style:监管问题修改

 'use strict'
 const path = require('path')
+const defaultSettings = require('./src/settings.js')
+
 function resolve (dir) {
     return path.join(__dirname, dir)
 }
-const name = process.env.TITLE
+
 const port = process.env.port || process.env.npm_config_port || 8888 // dev port
+
 // All configuration item explanations can be find in https://cli.vuejs.org/config/
 module.exports = {
     /**
@@ -45,7 +48,7 @@ module.exports = {
         }
     },
     css: {
-        extract: false, // 是否使用css分离插件 ExtractTextPlugin
+        extract: true, // 是否使用css分离插件 ExtractTextPlugin
         sourceMap: false, // 开启 CSS source maps?
         loaderOptions: {
             sass: {
@@ -56,21 +59,22 @@ module.exports = {
     },
     // configureWebpack通过操作对象的形式，来修改默认的webpack配置
     configureWebpack: {
-        name: name,
-        externals: [{
-            './cptable': 'var cptable'
-        }],
+        optimization: {
+            usedExports: true,
+            minimize: true
+        },
+        entry: {
+            app: './src/main.js'
+        },
         resolve: {
             alias: {
                 '@': resolve('src')
             }
         },
-        devtool: '#eval-source-map'  //测试
+        devtool: process.env.NODE_ENV === 'development' ? '#eval-source-map' : false
     },
     // chainWebpack通过链式编程的形式，来修改默认的webpack配置
     chainWebpack (config) {
-        config.entry.app = ['babel-polyfill', './src/main.js'];
-        // it can improve the speed of the first screen, it is recommended to turn on preload
         // it can improve the speed of the first screen, it is recommended to turn on preload
         config.plugin('preload').tap(() => [
             {
@@ -81,7 +85,6 @@ module.exports = {
                 include: 'initial'
             }
         ])
-
         // when there are many pages, it will cause too many meaningscss requests
         config.plugins.delete('prefetch')
         config.module