查询当前镜像源
npm get registry
设置镜像源
npm config set registry https://registry.npmmirror.com/
electron镜像
npm config set ELECTRON_MIRROR "https://npmmirror.org/mirrors/electron/"
看和删除electron镜像
npm config get ELECTRON_MIRROR
npm config delete ELECTRON_MIRROR
查看当前代理
npm config get proxy
npm config get https-proxy
设置代理
npm config set proxy http://server:port
npm config set https-proxy http://server:port
删除代理
npm config set proxy null
npm config set https-proxy null