1、执行 npm adduse，输入账号、密码后失败
提示如下：
是由于使用的淘宝源的原因
解决方法：
nrm ls
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/
yeahka ------- http://registry.npm.lepass.cn/
nrm use npm后重试即可
