mocha 参数 --require babel-register 打包时报错 Error: Chunk.entry was removed. Use hasRuntime() , 执行如下命令 npm uninstall extract-text-webpack-plugin npm install extract-text-webpack-plugin@2.0.0-beta.4 如果还是不行，进入node_modules/webpack 目录执行如下命令 npm install extract-text-webpack-plugin@2.0.0-beta.4 -save-dev