npm安装nrm源管理工具

#npm install -g nrm [email protected] --save

#nrm ls

源名称  ---------  链接

  npm ---------- https://registry.npmjs.org/
  yarn --------- https://registry.yarnpkg.com/
  tencent ------ https://mirrors.cloud.tencent.com/npm/
  cnpm --------- https://r.cnpmjs.org/
  taobao ------- https://registry.npmmirror.com/
  npmMirror ---- https://skimdb.npmjs.com/registry/

#nrm add <源名称> <链接>

#nrm use <源名称>