Webpack打包css报错

Webpack打包css报错，求大神指点！

报错内容：
× ｢wds｣: Invalid configuration object. Webpack has been initialised using a configuration object that does not match
the API schema.

• configuration.module.rules[0] has an unknown property ‘text’. These properties are valid:
  object { compiler?, enforce?, exclude?, include?, issuer?, loader?, loaders?, oneOf?, options?, parser?, query?, realResource?, resolve?, resource?, resourceQuery?, rules?, sideEffects?, test?, type?, use? }
  -> A rule
  npm ERR! code ELIFECYCLE
  npm ERR! errno 1
  npm ERR! [email protected] dev: webpack-dev-server --open --host 127.0.0.1 --port 8888
  npm ERR! Exit status 1
  npm ERR!
  npm ERR! Failed at the [email protected] dev script.
  npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

npm ERR! A complete log of this run can be found in:
npm ERR! C:\Users\user1\AppData\Roaming\npm-cache_logs\2020-06-15T01_44_21_056Z-debug.log

我是个小白，以上内容都是跟着视频学习打出来的，百度了很久都没有找到答案，求大神指点！！！！！！！！！！！！！！！