E:\NcpSy-oage\ncpsy>npm install element-plus --save
npm ERR! code ERESOLVE
npm ERR! ERESOLVE unable to resolve dependency tree
npm ERR!
npm ERR! While resolving: ncpsy@0.1.0
npm ERR! Found: vue@2.6.12
npm ERR! node_modules/vue
npm ERR! vue@"^2.6.11" from the root project
npm ERR!
npm ERR! Could not resolve dependency:
npm ERR! peer vue@"^3.0.9" from element-plus@1.0.2-beta.44
npm ERR! node_modules/element-plus
npm ERR! element-plus@"*" 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 D:\node.js\node_cache\eresolve-report.txt for a full report.
npm ERR! A complete log of this run can be found in:
npm ERR! D:\node.js\node_cache\_logs\2021-05-24T09_29_47_555Z-debug.log