npm 安装 appium 时报错，求助大神们帮忙看下~感谢！

info AndroidDriver Java version is: 1.8.0_51

/usr/local/lib/node_modules/appium/node_modules/appium-selendroid-driver/node_modules/appium-selendroid-installer/node_modules/request-promise/lib/errors.js:11
        Error.captureStackTrace(this);
              ^
RequestError: Error: read ECONNRESET
    at new RequestError (/usr/local/lib/node_modules/appium/node_modules/appium-selendroid-driver/node_modules/appium-selendroid-installer/node_modules/request-promise/lib/errors.js:11:15)
    at Request.RP$callback [as _callback] (/usr/local/lib/node_modules/appium/node_modules/appium-selendroid-driver/node_modules/appium-selendroid-installer/node_modules/request-promise/lib/rp.js:56:32)
    at self.callback (/usr/local/lib/node_modules/appium/node_modules/appium-selendroid-driver/node_modules/appium-selendroid-installer/node_modules/request-promise/node_modules/request/request.js:200:22)
    at emitOne (events.js:96:13)
    at Request.emit (events.js:188:7)
    at Request.onRequestError (/usr/local/lib/node_modules/appium/node_modules/appium-selendroid-driver/node_modules/appium-selendroid-installer/node_modules/request-promise/node_modules/request/request.js:831:8)
    at emitOne (events.js:96:13)
    at ClientRequest.emit (events.js:188:7)
    at TLSSocket.socketErrorListener (_http_client.js:308:9)
    at emitOne (events.js:101:20)
    at TLSSocket.emit (events.js:188:7)
    at emitErrorNT (net.js:1272:8)
    at _combinedTickCallback (internal/process/next_tick.js:74:11)
    at process._tickCallback (internal/process/next_tick.js:98:9)
/usr/local/lib
└── (empty)

npm ERR! Darwin 14.1.1
npm ERR! argv "/usr/local/bin/node" "/usr/local/bin/npm" "--registry" "http://registry.cnpmjs.org" "install" "-g" "appium"
npm ERR! node v6.3.0
npm ERR! npm  v3.10.3
npm ERR! code ELIFECYCLE

npm ERR! appium-selendroid-driver@1.3.4 install: `node ./bin/install.js`
npm ERR! Exit status 1
npm ERR! 
npm ERR! Failed at the appium-selendroid-driver@1.3.4 install script 'node ./bin/install.js'.
npm ERR! Make sure you have the latest version of node.js and npm installed.
npm ERR! If you do, this is most likely a problem with the appium-selendroid-driver package,
npm ERR! not with npm itself.
npm ERR! Tell the author that this fails on your system:
npm ERR!     node ./bin/install.js
npm ERR! You can get information on how to open an issue for this project with:
npm ERR!     npm bugs appium-selendroid-driver
npm ERR! Or if that isn't available, you can get their info via:
npm ERR!     npm owner ls appium-selendroid-driver
npm ERR! There is likely additional logging output above.

npm ERR! Please include the following file with any support request:
npm ERR!     /Users/mu/npm-debug.log
npm ERR! code 1