Webpack webpackChunkName魔术注释不起作用

entry: [
    'react-hot-loader/patch',
    './app/index.js'
  ],
  output: {
    path: path.resolve(__dirname, 'dist'),
    filename: '[name].bundle.js',
    chunkFilename: '[name].bundle.js',
    publicPath: '/'
  },

 {
  "presets": [
    ["env", {"modules": false}],
    "react"
  ],
  "plugins": ["transform-class-properties", "transform-object-rest-spread", "react-hot-loader/babel", "syntax-dynamic-import", "dynamic-import-webpack"],
  "env": {
    "test": {
      "presets": [
        "env",
        "react"
      ],
      "plugins": ["transform-class-properties", "transform-object-rest-spread", "dynamic-import-webpack"]
    }
  },
  "comments": true
}

const Login = Loadable({
  loader: () => import(/* webpackChunkName: 'LoginContainer' */ './containers/LoginContainer'),
  loading: LoadingAnimation,
});