npm ERR! code ERESOLVE
npm ERR! ERESOLVE unable to resolve dependency tree
npm ERR!
npm ERR! While resolving: vol.vue3@0.1.0
npm ERR! Found: vue@3.2.20
npm ERR! node_modules/vue
npm ERR!   vue@"^3.0.0" from the root project
npm ERR!
npm ERR! Could not resolve dependency:
npm ERR! peer vue@"^2.5.17" from element-ui@2.15.6
npm ERR! node_modules/element-ui
npm ERR!   element-ui@"*" 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\Administrator\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\Administrator\AppData\Local\npm-cache\_logs\2021-10-11T06_27_44_908Z-debug.log

在安装组件的时候出现以上问题，npm版本问题报错
解决方法：
在命令后面加上
    --legacy-peer-deps
如图，成功安装：