webpack3 UglifyJs 错误

当使用webpack3时，调用自带的压缩代码工具时：

plugins: [ 
    new webpack.optimize.UglifyJsPlugin()
]

这时候会报错：

RROR in cdb4136785933c914dd0.js from UglifyJs
TypeError: Cannot read property 'reset' of undefined

解决方式：

npm install uglifyjs-webpack-plugin@beta --save-dev

https://segmentfault.com/q/1010000010119450