cordova build

返回以下错误：

module.js:340
    throw err;
          ^
Error: Cannot find module 'Q'
    at Function.Module._resolveFilename (module.js:338:15)
    at Function.Module._load (module.js:280:25)
    at Module.require (module.js:364:17)
    at require (module.js:380:17)
    at Object.<anonymous> (/Volumes/CaseSensitive/ios_projects/_Tests/testGruntCordova/testGruntCordova/platforms/ios/cordova/lib/check_reqs.js:25:13)
    at Module._compile (module.js:456:26)
    at Object.Module._extensions..js (module.js:474:10)
    at Module.load (module.js:356:32)
    at Function.Module._load (module.js:312:12)
    at Module.require (module.js:364:17)
ERROR building one of the platforms: Error: /Volumes/CaseSensitive/ios_projects/_Tests/testGruntCordova/testGruntCordova/platforms/ios/cordova/build: Command Failed with exit code 8
You may not have the required environment or OS to build this project
Error: /Volumes/CaseSensitive/ios_projects/_Tests/testGruntCordova/testGruntCordova/platforms/ios/cordova/build: Command Failed with exit code 8
    at ChildProcess.whenDone (/usr/local/lib/node_modules/cordova/node_modules/cordova-lib/src/cordova/superspawn.js:131:23)
    at ChildProcess.EventEmitter.emit (events.js:98:17)
    at maybeClose (child_process.js:753:16)
    at Process.ChildProcess._handle.onexit (child_process.js:820:5)

我已经尝试删除并添加平台ios但没有任何变化.

我试图运行：

sudo npm install -g cordova / sudo npm install cordova
sudo npm install -g Q / sudo npm install Q

但没有变化.

有帮助吗？
非常感谢你