工程使用CocoaPods管理第三方库，在新的目录update版本的时候出现如下问题
问题1描述： diff: /../Podfile.lock: No such file or directory diff: /Manifest.lock: No such file or directory error: The sandbox is not in sync with the Podfile.lock. Run ‘pod install‘ or update your CocoaPods installation. 问
