今天安装 npm install grunt-rev --save-dev 的时候出现错误，然后安装别的 包 也不能正常安装了。 下面是错误信息。 求解决方案。
npm ERR! Windows_NT 6.1.7601 npm ERR! argv "E:\node\\node.exe" "E:\node\node_modules\npm\bin\npm-cli.js" "install" npm ERR! node v0.12.0 npm ERR! npm v2.5.1 npm ERR! code ECONNRESET
npm ERR! network tunneling socket could not be established, cause=connect ECONNREFUSED npm ERR! network This is most likely not a problem with npm itself npm ERR! network and is related to network connectivity. npm ERR! network In most cases you are behind a proxy or have bad network settings. npm ERR! network npm ERR! network If you are behind a proxy, please make sure that the npm ERR! network 'proxy' config is set properly. See: 'npm help config'
npm ERR! Please include the following file with any support request: npm ERR! E:\study\angular-phonecat\npm-debug.log