升级到Xcode 6.3后,启动时,我现在得到错误:“Bonjour服务无法解决。”

升级到Xcode 6.3后,我现在得到一个错误提示面板: The Bonjour service could not be resolved. The server may be temporarily unavailable. Contact your system administrator. The Bonjour service could not be resolved. The server may be temporarily unavailable. Contact your system administrator. 我怎样才能解决这个问题?

删除或移出文件~/Library/Application Support/Xcode/XCSServiceManager_KnownServices.plist