npm run dev啓動報錯：Error: Cannot find module 'semver'

PS C:\Users\wangting\Desktop\Wisdom_admin\wisdom_admin> npm run dev

> [email protected] dev C:\Users\wangting\Desktop\Wisdom_admin\wisdom_admin
> vue-cli-service serve

internal/modules/cjs/loader.js:985
  throw err;
  ^

Error: Cannot find module 'semver'
Require stack:
- C:\Users\wangting\Desktop\Wisdom_admin\wisdom_admin\node_modules\_@[email protected]@@vue\cli-service\bin\vue-cli-service.js
    at Function.Module._resolveFilename (internal/modules/cjs/loader.js:982:15)
    at Function.Module._load (internal/modules/cjs/loader.js:864:27)
    at Module.require (internal/modules/cjs/loader.js:1044:19)
    at require (internal/modules/cjs/helpers.js:77:18)
    at Object.<anonymous> (C:\Users\wangting\Desktop\Wisdom_admin\wisdom_admin\node_modules\_@[email protected]@@vue\cli-service\bin\vue-cli-service.js:3:16)
    at Module._compile (internal/modules/cjs/loader.js:1158:30)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:1178:10)
    at Module.load (internal/modules/cjs/loader.js:1002:32)
    at Function.Module._load (internal/modules/cjs/loader.js:901:14)
    at Function.executeUserEntryPoint [as runMain] (internal/modules/run_main.js:74:12) {
  code: 'MODULE_NOT_FOUND',
  requireStack: [
    'C:\\Users\\wangting\\Desktop\\Wisdom_admin\\wisdom_admin\\node_modules\\_@[email protected]@@vue\\cli-service\\bin\\vue-cli-service.js'
  ]
}
npm ERR! code ELIFECYCLE
npm ERR! errno 1        
npm ERR! [email protected] dev: `vue-cli-service serve`
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\wangting\AppData\Roaming\npm-cache\_logs\2021-08-06T06_20_38_961Z-debug.log
PS C:\Users\wangting\Desktop\Wisdom_admin\wisdom_admin> 

遇到這樣的報錯
需要進行

刪除一下node_modules

然後打開vscode編輯器，打開終端，進入到項目目錄底下，安裝依賴

cnpm install

依賴安裝完成之後

再次啓動就行了

再次啓動

npm run dev

會發現正常運行了