export NVM_NODEJS_ORG_MIRROR=http://npm.taobao.org/mirrors/node
nvm临时换镜像
NVM_NODEJS_ORG_MIRROR=https://npm.taobao.org/mirrors/node nvm install 8.9.4
export NVM_NODEJS_ORG_MIRROR=http://npm.taobao.org/mirrors/node
nvm临时换镜像
NVM_NODEJS_ORG_MIRROR=https://npm.taobao.org/mirrors/node nvm install 8.9.4