相关疑难解决方法(0)

我正在尝试使用以下命令更新npm(节点包管理器):npm install npm @ latest -g但是我在命令提示符中收到以下错误:

有人知道这是什么意思吗？

npm ERR! Windows_NT 6.1.7601
npm ERR! argv "C:\\Program Files\\nodejs\\node.exe" "C:\\Program Files\\nodejs\\
node_modules\\npm\\bin\\npm-cli.js" "install" "npm@latest" "-g"

npm ERR! node v6.9.5
npm ERR! npm  v3.10.10
npm ERR! code ECONNREFUSED
npm ERR! errno ECONNREFUSED
npm ERR! syscall connect

npm ERR! Error: connect ECONNREFUSED xxx.xxx.xx.xxx:xxx
npm ERR!     at Object.exports._errnoException (util.js:1022:11)
npm ERR! If you are behind a proxy, please make sure that the
npm ERR! 'proxy' config is set properly.  See: 'npm help config'

任何帮助,将不胜感激.

谢谢你nickJS