➜ /tmp cnpm install express
npm ERR! fetch failed https://registry.npm.taobao.org/path-to-regexp/download/path-to-regexp-0.1.7.tgz
npm WARN retry will retry, error on last attempt: Error: fetch failed with status code 404
npm ERR! fetch failed https://registry.npm.taobao.org/send/download/send-0.13.1.tgz
npm WARN retry will retry, error on last attempt: Error: fetch failed with status code 404
npm ERR! fetch failed https://registry.npm.taobao.org/qs/download/qs-4.0.0.tgz