F:\Program Files\nodejs\
F:\Program Files\nodejs\node_global
npm config ls
npm config set prefix "F:\Program Files\nodejs\node_global"
npm config set cache "F:\Program Files\nodejs\node_cache"
npm install -g cnpm --registry=https://registry.npm.taobao.org
cnpm -v
npm config get registry
npm config set registry=https://registry.npm.taobao.org
npm install -g cnpm --registry=https://registry.npm.taobao.org