完整的报错信息：
[webpack-cli] Invalid configuration object. Webpack has been initialized using a configuration object that does not match the API schema.
- configuration has an unknown property 'Plugins'. These properties are valid:
object {
amd?, bail?, cache?, context?, dependencies?, devServer?, devtool?, entry?, experiments?, externals?, externalsPresets?, externalsType?, ignoreWarnings?, infrastructureLogging?, loader?, mode?, module?, name?, node?, optimization?, output?, parallelism?, performance?, plugins?, profile?, recordsInputPath?, recordsOutputPath?, recordsPath?, resolve?, resolveLoader?, snapshot?, stats?, target?, watch?, watchOptions? }
-> Options object as provided by the user.
For typos: please correct them.
For loader options: webpack >= v2.0.0 no longer allows custom properties in configuration.
Loaders should be updated to allow passing options via loader options in module.rules.
plugins: [
new webpack.LoaderOptionsPlugin({
// test: /\.xxx$/, // may apply this only for some modules
options: {
Plugins: …
我以为我括号哪里敲错了。找到官方文档复制粘贴，一看。plugin写成大写了mmp。
