我仅在Xcode6.1中收到以下链接器错误，Xcode6.01工作正常:Undefinedsymbolsforarchitecturex86_64:"__TWvdvC7Bamberg18TourViewController2mmT_",referencedfrom:__TFC7Bamberg18TourViewControllerm2mmT_intours.old:symbol(s)notfoundforarchitecturex86_64clang:error:linkercommandfailedwithexitcode1(use-vtoseeinvocation)现在我知道标准建