• E:\es\vue-element-admin-master\node_modules@vue\cli-service\bin\vue-cli-service.js
  Error: Cannot find module 'body-parser'
  Require stack:
• E:\es\vue-element-admin-master\mock\mock-server.js
• E:\es\vue-element-admin-master\vue.config.js
• E:\es\vue-element-admin-master\node_modules@vue\cli-service\node_modules@vue\cli-shared-utils\lib\module.js
• E:\es\vue-element-admin-master\node_modules@vue\cli-service\node_modules@vue\cli-shared-utils\index.js
• E:\es\vue-element-admin-master\node_modules@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. (E:\es\vue-element-admin-master\mock\mock-server.js:2:20)
  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 Module.require (internal/modules/cjs/loader.js:1044:19)
  npm ERR! code ELIFECYCLE
  npm ERR! errno 1
  npm ERR! vue-element-admin@4.4.0 dev: vue-cli-service serve
  npm ERR! Exit status 1
  npm ERR!
  npm ERR! Failed at the vue-element-admin@4.4.0 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:\Program Files\nodejs\node_cache_logs\2021-10-27T06_59_17_393Z-debug.log