mac下进行cordova项目编译部署到ios设备，这个时候需要安装ios-deploy，会失败：
npm WARN lifecycle ios-deploy@1.8.6~preinstall: cannot run in wd %s %s (wd=%s) ios-deploy@1.8.6 ./src/scripts/check_reqs.js && xcodebuild /usr/local/lib/node_modules/.staging/ios-deploy-298c9491
npm ERR! Darwin 15.4.0
npm ERR! argv "/usr/local/bin/node" "/usr/local/bin/npm" "install" "-g" "ios-deploy"
npm ERR! node v4.4.2
npm ERR! npm v3.8.6
npm ERR! path /usr/local/lib/node_modules/ios-deploy/build/Release/ios-deploy
npm ERR! code ENOENT
npm ERR! errno -2
npm ERR! syscall chmod
npm ERR! enoent ENOENT: no such file or directory, chmod '/usr/local/lib/node_modules/ios-deploy/build/Release/ios-deploy'
npm ERR! enoent ENOENT: no such file or directory, chmod '/usr/local/lib/node_modules/ios-deploy/build/Release/ios-deploy'
npm ERR! enoent This is most likely not a problem with npm itself
npm ERR! enoent and is related to npm not being able to find a file.
npm ERR! enoent
npm ERR! Please include the following file with any support request:
npm ERR! /Users/x5/corProject/testApp/npm-debug.log
但是没法，需要安装这个才可以部署到ios设备
后来找了找，发现sudo npm install -g ios-deploy --unsafe-perm=true可以成功安装。
这个时候可以使用cordova run ios进行ios部署了