配置如下：

webpack.base.config.js

const path = require('path');
const os = require('os');
const webpack = require('webpack');
const ExtractTextPlugin = require('extract-text-webpack-plugin');
const HappyPack = require('happypack');
var happyThreadPool = HappyPack.ThreadPool({ size: os.cpus().length });
function resolve (dir) {
    return path.join(__dirname, dir);
}
module.exports = {
    entry: {
        main: '@/main',
        'vender-base': '@/vendors/vendors.base.js',
        'vender-exten': '@/vendors/vendors.exten.js'
    },
    output: {
        path: path.resolve(__dirname, '../dist/dist')
    },
    module: {
        rules: [
            {
                test: /\.vue$/,
                loader: 'vue-loader',
                options: {
                    loaders: {
                        css: 'vue-style-loader!css-loader',
                        less: 'vue-style-loader!css-loader!less-loader'
                    },
                    postLoaders: {
                        html: 'babel-loader'
                    }
                }
            },
            {
                test: /iview\/.*?js$/,
                loader: 'happypack/loader?id=happybabel',
                exclude: /node_modules/
            },
            {
                test: /\.js$/,
                loader: 'happypack/loader?id=happybabel',
                exclude: /node_modules/
            },
            {
                test: /\.js[x]?$/,
                include: [resolve('src')],
                exclude: /node_modules/,
                loader: 'happypack/loader?id=happybabel'
            },
            {
                test: /\.css$/,
                use: ExtractTextPlugin.extract({
                    use: ['css-loader?minimize', 'autoprefixer-loader'],
                    fallback: 'style-loader'
                })
            },
            {
                test: /\.less$/,
                use: ExtractTextPlugin.extract({
                    use: ['css-loader?minimize','autoprefixer-loader', 'less-loader'],
                    fallback: 'style-loader'
                }),
            },
            {
                test: /\.(gif|jpg|png|woff|svg|eot|ttf)\??.*$/,
                loader: 'url-loader?limit=1024'
            },
            {
                test: /\.(html|tpl)$/,
                loader: 'html-loader'
            }
        ]
    },
    plugins: [
        new HappyPack({
            id: 'happybabel',
            loaders: ['babel-loader'],
            threadPool: happyThreadPool,
            verbose: true
        })
    ],
    resolve: {
        extensions: ['.js', '.vue'],
        alias: {
            'vue': 'vue/dist/vue.esm.js',
            '@': resolve('../src'),
        }
    }
};

webpack.prod.config.js

const webpack = require('webpack');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const ExtractTextPlugin = require('extract-text-webpack-plugin');
const CopyWebpackPlugin = require('copy-webpack-plugin');
const cleanWebpackPlugin = require('clean-webpack-plugin');
const UglifyJsParallelPlugin = require('webpack-uglify-parallel');
const merge = require('webpack-merge');
const webpackBaseConfig = require('./webpack.base.config.js');
const os = require('os');
const fs = require('fs');
const path = require('path');
const package = require('../package.json');

fs.open('./build/env.js', 'w', function(err, fd) {
    const buf = 'export default "production";';
    fs.write(fd, buf, 0, buf.length, 0, function(err, written, buffer) {});
});

module.exports = merge(webpackBaseConfig, {
    output: {
        publicPath: './',  // 修改 https://iv...admin 这部分为你的服务器域名 
        filename: '[name].[hash].js',
        chunkFilename: '[name].[hash].chunk.js'
    },
    plugins: [
        new cleanWebpackPlugin(['dist/*'], {
            root: path.resolve(__dirname, '../')
        }),
        new ExtractTextPlugin({
            filename: '[name].[hash].css',
            allChunks: true
        }),
        new webpack.optimize.CommonsChunkPlugin({
            // name: 'vendors',
            // filename: 'vendors.[hash].js'
            name: ['vender-exten', 'vender-base'],
            minChunks: Infinity
        }),
        new webpack.DefinePlugin({
            'process.env': {
                NODE_ENV: '"production"'
            }
        }),
        new webpack.optimize.UglifyJsPlugin({
            compress: {
                warnings: false
            }
        }),
        new HtmlWebpackPlugin({
            title: 'Watch Dog' + package.version,
            favicon: './ico.png',
            filename: '../index.html',
            template: '!!ejs-loader!./src/template/index.ejs',
            inject: false
        })
    ]
});

debug.log

0 info it worked if it ends with ok
1 verbose cli [ 'D:\\softs\\nodejs\\node.exe',
1 verbose cli   'D:\\softs\\nodejs\\node_modules\\npm\\bin\\npm-cli.js',
1 verbose cli   'run',
1 verbose cli   'build' ]
2 info using npm@5.6.0
3 info using node@v8.11.1
4 verbose run-script [ 'prebuild', 'build', 'postbuild' ]
5 info lifecycle watch-dog@1.0.0~prebuild: watch-dog@1.0.0
6 info lifecycle watch-dog@1.0.0~build: watch-dog@1.0.0
7 verbose lifecycle watch-dog@1.0.0~build: unsafe-perm in lifecycle true
8 verbose lifecycle watch-dog@1.0.0~build: PATH: D:\softs\nvm\v8.11.1\node_modules\npm\node_modules\npm-lifecycle\node-gyp-bin;E:\dev\vue\watchDog-framework-web\node_modules\.bin;D:\softs\Python\Python35\Scripts\;D:\softs\Python\Python35\;C:\ProgramData\Oracle\Java\javapath;C:\Program Files (x86)\Common Files\Intel\Shared Files\cpp\bin\Intel64;C:\windows\system32;C:\windows;C:\windows\System32\Wbem;C:\windows\System32\WindowsPowerShell\v1.0\;C:\MinGW\bin;E:\lua5.3;C:\Program Files (x86)\Microsoft SQL Server\100\Tools\Binn\;C:\Program Files\Microsoft SQL Server\100\Tools\Binn\;C:\Program Files\Microsoft SQL Server\100\DTS\Binn\;D:\softs\Git\cmd;D:\softs\TortoiseGit\bin;D:\softs\apache-maven-3.5.2\bin;D:\softs\nvm;D:\softs\nodejs;D:\softs\MongoDB\Server\3.6\bin;C:\Users\Administrator\AppData\Local\Yarn\bin;D:\softs\Redis\;C:\Users\Administrator\AppData\Local\Microsoft\WindowsApps;D:\softs\Microsoft VS Code\bin;D:\softs\nvm;D:\softs\nodejs
9 verbose lifecycle watch-dog@1.0.0~build: CWD: E:\dev\vue\watchDog-framework-web
10 silly lifecycle watch-dog@1.0.0~build: Args: [ '/d /s /c',
10 silly lifecycle   'webpack --progress --hide-modules --config build/webpack.prod.config.js' ]
11 silly lifecycle watch-dog@1.0.0~build: Returned: code: 2  signal: null
12 info lifecycle watch-dog@1.0.0~build: Failed to exec build script
13 verbose stack Error: watch-dog@1.0.0 build: `webpack --progress --hide-modules --config build/webpack.prod.config.js`
13 verbose stack Exit status 2
13 verbose stack     at EventEmitter.<anonymous> (D:\softs\nvm\v8.11.1\node_modules\npm\node_modules\npm-lifecycle\index.js:285:16)
13 verbose stack     at emitTwo (events.js:126:13)
13 verbose stack     at EventEmitter.emit (events.js:214:7)
13 verbose stack     at ChildProcess.<anonymous> (D:\softs\nvm\v8.11.1\node_modules\npm\node_modules\npm-lifecycle\lib\spawn.js:55:14)
13 verbose stack     at emitTwo (events.js:126:13)
13 verbose stack     at ChildProcess.emit (events.js:214:7)
13 verbose stack     at maybeClose (internal/child_process.js:925:16)
13 verbose stack     at Process.ChildProcess._handle.onexit (internal/child_process.js:209:5)
14 verbose pkgid watch-dog@1.0.0
15 verbose cwd E:\dev\vue\watchDog-framework-web
16 verbose Windows_NT 10.0.14393
17 verbose argv "D:\\softs\\nodejs\\node.exe" "D:\\softs\\nodejs\\node_modules\\npm\\bin\\npm-cli.js" "run" "build"
18 verbose node v8.11.1
19 verbose npm  v5.6.0
20 error code ELIFECYCLE
21 error errno 2
22 error watch-dog@1.0.0 build: `webpack --progress --hide-modules --config build/webpack.prod.config.js`
22 error Exit status 2
23 error Failed at the watch-dog@1.0.0 build script.
23 error This is probably not a problem with npm. There is likely additional logging output above.
24 verbose exit [ 2, true ]

控制台错误：

ERROR in 1.2a66533fcf6762182963.chunk.js from UglifyJs
Unexpected token: name (dt) [1.2a66533fcf6762182963.chunk.js:3397,6]

ERROR in 3.2a66533fcf6762182963.chunk.js from UglifyJs
Unexpected token: name (dt) [3.2a66533fcf6762182963.chunk.js:3397,6]
Child html-webpack-plugin for "..\index.html":
     1 asset
Child extract-text-webpack-plugin node_modules/extract-text-webpack-plugin/dist node_modules/css-loader/index.js?minimize!node_modules/autoprefixer-loader/index.js!node_modules/iview/dist/styles/iview.css:
                                    Asset     Size  Chunks                    Chunk Names
     2c2ae068be3b089e0a5b59abb1831550.eot   121 kB          [emitted]
     24712f6c47821394fba7942fbb52c3b2.ttf   189 kB          [emitted]
    05acfdb568b3df49ad31355b19495d4a.woff  67.9 kB          [emitted]
     621bd386841f74e0053cb8e67f8a0604.svg   334 kB          [emitted]  [big]
npm ERR! code ELIFECYCLE
npm ERR! errno 2
npm ERR! watch-dog@1.0.0 build: `webpack --progress --hide-modules --config build/webpack.prod.config.js`
npm ERR! Exit status 2
npm ERR!
npm ERR! Failed at the watch-dog@1.0.0 build script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

npm ERR! A complete log of this run can be found in:
npm ERR!     C:\Users\Administrator\AppData\Roaming\npm-cache\_logs\2018-04-26T05_14_33_877Z-debug.log

求解决