执行npm run dev的时候报如下错误

> dev
> npm run development


> development
> cross-env NODE_ENV=development node_modules/webpack/bin/webpack.js --progress --config=node_modules/laravel-mix/setup/webpack.c                                                                                                                                     onfig.js

ϵͳ▒Ҳ▒▒▒ָ▒▒▒▒·▒▒▒▒
node:events:498
      throw er; // Unhandled 'error' event
      ^

Error: spawn node_modules\webpack\bin\webpack.js ENOENT
    at notFoundError (E:\code\laraveladmin\node_modules\_cross-spawn@7.0.3@cross-spawn\lib\enoent.js:6:26)
    at verifyENOENT (E:\code\laraveladmin\node_modules\_cross-spawn@7.0.3@cross-spawn\lib\enoent.js:40:16)
    at ChildProcess.cp.emit (E:\code\laraveladmin\node_modules\_cross-spawn@7.0.3@cross-spawn\lib\enoent.js:27:25)
    at Process.ChildProcess._handle.onexit (node:internal/child_process:291:12)
Emitted 'error' event on ChildProcess instance at:
    at ChildProcess.cp.emit (E:\code\laraveladmin\node_modules\_cross-spawn@7.0.3@cross-spawn\lib\enoent.js:30:37)
    at Process.ChildProcess._handle.onexit (node:internal/child_process:291:12) {
  code: 'ENOENT',
  errno: 'ENOENT',
  syscall: 'spawn node_modules\\webpack\\bin\\webpack.js',
  path: 'node_modules\\webpack\\bin\\webpack.js',
  spawnargs: [
    '--progress',
    '--config=node_modules/laravel-mix/setup/webpack.config.js'
  ]
}

解决方法是安装webpack：

npm install webpack

 再执行npm run dev就可以了