npm install版本过高的问题
在学习尚硅谷-谷粒学院-在线教育项目时，采用Vue前端界面模板，使用npm install 进行依赖安装时，出现了以下问题。
npm ERR! code ERESOLVE
npm ERR! ERESOLVE unable to resolve dependency tree
npm ERR!
npm ERR! While resolving: vue-admin-template@3.8.0
npm ERR! Found: html-webpack-plugin@4.0.0-alpha
npm ERR! node_modules/html-webpack-plugin
npm ERR! dev html-webpack-plugin@"4.0.0-alpha" from the root project
npm ERR!
npm ERR! Could not resolve dependency:
npm ERR! peer html-webpack-plugin@"^3.0.0" from script-ext-html-webpack-plugin@2.0.1
npm ERR! node_modules/script-ext-html-webpack-plugin
npm ERR! dev script-ext-html-webpack-plugin@"2.0.1" from the root project
npm ERR!
npm ERR! Fix the upstream dependency conflict, or retry
npm ERR! this command with --force, or --legacy-peer-deps
npm ERR! to accept an incorrect (and potentially broken) dependency resolution.
npm ERR!
npm ERR! See C:\Users\zzlaoyi\AppData\Local\npm-cache\eresolve-report.txt for a full report.
npm ERR! A complete log of this run can be found in:
npm ERR! C:\Users\zzlaoyi\AppData\Local\npm-cache\_logs\2021-09-19T14_35_57_514Z-debug.log
经过问题排查，最终确定时npm 版本过高问题所导致，于是对npm 进行降级
npm install npm@***.***.*** -g
再次使用npm install 进行下载依赖
