npm install 报错

npm ERR! code ETIMEDOUT
npm ERR! errno ETIMEDOUT
npm ERR! network request to https://registry.npm.taobao.org/@types%2fhistory failed, reason: connect ETIMEDOUT 93.184.216.34:8080
npm ERR! network This is a problem related to network connectivity.
npm ERR! network In most cases you are behind a proxy or have bad network settings.
npm ERR! network
npm ERR! network If you are behind a proxy, please make sure that the
npm ERR! network 'proxy' config is set properly. See: 'npm help config'

解决方法

设置代理
npm config set https-proxy null
查看代理
npm config get proxy
npm config get https-proxy