Bug report（问题描述）

在本地npm run build:prod报错，但是在jenkins上用npm run build:prod又正常且本地npm run dev没问题

Steps to reproduce（问题复现步骤）

npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! vue-admin-template@4.2.1 build:prod: NODE_ENV=production vue-cli-service build
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the vue-admin-template@4.2.1 build:prod 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\L\AppData\Roaming\npm-cache_logs\2020-07-29T05_32_14_714Z-debug.log

Screenshot or Gif（截图或动态图）

Link to minimal reproduction（最小可在线还原demo）

Other relevant information（格外信息）

• Your OS: windows
• Node.js version: v8.12.0
• vue-element-admin version: 4.2.1
  -webpack version: v4.22.0
  -npm version: 6.4.1