运行npm i element-ui -S时报错

npm ERR! code ERESOLVE
npm ERR! ERESOLVE unable to resolve dependency tree
npm ERR!
npm ERR! While resolving: yeb@0.1.0
npm ERR! Found: vue@3.2.31
npm ERR! node_modules/vue
npm ERR! vue@“^3.2.13” 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@“^2.15.6” 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:\nodejs\node_cache\eresolve-report.txt for a full report.

npm ERR! A complete log of this run can be found in:
npm ERR! D:\nodejs\node_cache_logs\2022-02-17T16_33_27_734Z-debug-0.log

解决

换成npm i --legacy-peer-deps element-ui -S就不会了

详见 npm i --legacy-peer-deps命令是什么？为什么可以解决下载时候产生的依赖冲突呢？