下是终端显示，请问，我应该怎么解决？

 npm --registry http://registry.cnpmjs.org install -g appium
/usr/local/bin/appium -> /usr/local/lib/node_modules/appium/build/lib/main.js

> appium-chromedriver@2.11.0 install /usr/local/lib/node_modules/appium/node_modules/appium-chromedriver
> node install-npm.js

info Chromedriver Install Installing Chromedriver version '2.28' for platform 'mac' and architecture '64'
info Chromedriver Install Opening temp file to write chromedriver_mac64 to...
info Chromedriver Install Downloading https://chromedriver.storage.googleapis.com/2.28/chromedriver_mac64.zip...
RequestError: Error: connect ETIMEDOUT 64.233.162.83:443
    at new RequestError (/usr/local/lib/node_modules/appium/node_modules/request-promise/lib/errors.js:11:15)
    at Request.RP$callback [as _callback] (/usr/local/lib/node_modules/appium/node_modules/request-promise/lib/rp.js:60:32)
    at self.callback (/usr/local/lib/node_modules/appium/node_modules/request/request.js:188:22)
    at emitOne (events.js:77:13)
    at Request.emit (events.js:169:7)
    at Request.onRequestError (/usr/local/lib/node_modules/appium/node_modules/request/request.js:884:8)
    at emitOne (events.js:77:13)
    at ClientRequest.emit (events.js:169:7)
    at TLSSocket.socketErrorListener (_http_client.js:267:9)
    at emitOne (events.js:77:13)
    at TLSSocket.emit (events.js:169:7)
    at emitErrorNT (net.js:1253:8)
    at nextTickCallbackWith2Args (node.js:442:9)
    at process._tickCallback (node.js:356:17)
/usr/local/lib
└── (empty)

npm ERR! Darwin 15.6.0
npm ERR! argv "/usr/local/bin/node" "/usr/local/bin/npm" "--registry" "http://registry.cnpmjs.org" "install" "-g" "appium"
npm ERR! node v4.4.5
npm ERR! npm  v4.2.0
npm ERR! code ELIFECYCLE
npm ERR! errno 1

npm ERR! appium-chromedriver@2.11.0 install: `node install-npm.js`
npm ERR! Exit status 1
npm ERR! 
npm ERR! Failed at the appium-chromedriver@2.11.0 install script 'node install-npm.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-chromedriver package,
npm ERR! not with npm itself.
npm ERR! Tell the author that this fails on your system:
npm ERR!     node install-npm.js
npm ERR! You can get information on how to open an issue for this project with:
npm ERR!     npm bugs appium-chromedriver
npm ERR! Or if that isn't available, you can get their info via:
npm ERR!     npm owner ls appium-chromedriver
npm ERR! There is likely additional logging output above.

npm ERR! Please include the following file with any support request:
npm ERR!     /Users/zhengjiaohong/.npm/_logs/2017-05-10T09_54_27_758Z-debug.log