打包时报这个错误怎么解决呢？感谢

Invalid configuration object. Webpack has been initialised using a configuration object that does not match the API schema.

 - configuration.module.rules[1] has an unknown property 'user'. These properties are valid:

   object { compiler?, enforce?, exclude?, include?, issuer?, loader?, loaders?, oneOf?, options?, parser?, query?, resolve?, resource?, resourceQuery?, rules?, sideEffects?, test?, type?, use? }