我试图执行命令sudo npm install -g ios-deploy，因为我需要它来部署我的应用程序with ionic 2
复制我的bash：
MBP-de-Benjamin:ion-scanner-v2 Benjamin$ sudo npm install -g ios-deploy
npm WARN lifecycle ios-deploy@1.9.1~preinstall: cannot run in wd %s %s (wd=%s) ios-deploy@1.9.1 ./src/scripts/check_reqs.js && xcodebuild /usr/local/lib/node_modules/.staging/ios-deploy-298c9491
npm ERR! Darwin 16.4.0
npm ERR! argv "/usr/local/bin/node" "/usr/local/bin/npm" "install" "-g" "ios-deploy"
npm ERR! node v7.9.0
npm ERR! npm v4.2.0
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/Benjamin/.npm/_logs/2017-04-27T10_17_49_240Z-debug.log
MBP-de-Benjamin:ion-scanner-v2 Benjamin$