这是一个快速的：
npm install socket.io
npm http GET https://registry.npmjs.org/socket.io
npm http 304 https://registry.npmjs.org/socket.io
npm http GET https://registry.npmjs.org/-/socket.io-0.9.10.tgz
npm http 404 https://registry.npmjs.org/-/socket.io-0.9.10.tgz
npm ERR! fetch failed https://registry.npmjs.org/-/socket.io-0.9.10.tgz
npm ERR! Error: 404 Not Found
npm ERR! at null.<anonymous> (/usr/local/lib/node_modules/npm/lib/utils/fetch.js:47:16)
npm ERR! at EventEmitter.emit (events.js:115:20)
npm ERR! at WriteStream.flush (fs.js:1514:12)
npm ERR! at fs.close (/usr/local/lib/node_modules/npm/node_modules/graceful-fs/graceful-fs.js:92:5)
npm ERR! at Object.oncomplete (fs.js:297:15)
npm ERR! If you need help, you may report this log at:
npm ERR! <http://github.com/isaacs/npm/issues>
npm ERR! or email it to:
npm ERR! <npm-@googlegroups.com>
npm ERR! System Darwin 11.4.0
npm ERR! command "node" "/usr/local/bin/npm" "install" "socket.io"
npm ERR! cwd /Users/enrico/Documents/MMORPG
npm ERR! node -v v0.8.6
npm ERR! npm -v 1.1.48
npm ERR!
npm ERR! Additional logging details can be found in:
npm ERR! /Users/enrico/Documents/MMORPG/npm-debug.log
npm ERR! not ok code 0
这个 npm 安装有什么问题？服务器无法访问吗？任何解决方法？
提前致谢