背景： 

在通过npm install 安装项目所需依赖时，出现了如下报错

npm ERR! code ERESOLVE
npm ERR! ERESOLVE could not resolve
npm ERR! 
npm ERR! While resolving: vue-antd-jeecg@2.2.0
npm ERR! Found: webpack@4.46.0
npm ERR! node_modules/webpack
npm ERR!   webpack@"^4.0.0" from @vue/cli-plugin-babel@3.12.1
npm ERR!   node_modules/@vue/cli-plugin-babel
npm ERR!     dev @vue/cli-plugin-babel@"^3.3.0" from the root project
npm ERR!   webpack@"^4.0.0" from @vue/cli-plugin-eslint@3.12.1
npm ERR!   node_modules/@vue/cli-plugin-eslint
npm ERR!     dev @vue/cli-plugin-eslint@"^3.3.0" from the root project
npm ERR!   4 more (@vue/cli-service, compression-webpack-plugin, ...)
npm ERR! 
npm ERR! Could not resolve dependency:
npm ERR! vue-loader@"^15.7.0" from the root project
npm ERR! 
npm ERR! Conflicting peer dependency: webpack@5.74.0
npm ERR! node_modules/webpac