duplicate symbol _OBJC_CLASS_$_AutoTableViewViewController in:app
/Users/apple/Library/Developer/Xcode/DerivedData/masonry自動佈局-cragjuqaxcsyhcckrysbcptlqprh/Build/Intermediates/masonry自動佈局.build/Debug-iphonesimulator/masonry自動佈局.build/Objects-normal/i386/ForCreateVerticalViewController.oiphone
/Users/apple/Library/Developer/Xcode/DerivedData/masonry自動佈局-cragjuqaxcsyhcckrysbcptlqprh/Build/Intermediates/masonry自動佈局.build/Debug-iphonesimulator/masonry自動佈局.build/Objects-normal/i386/AutoTableViewViewController.o佈局
duplicate symbol _OBJC_METACLASS_$_AutoTableViewViewController in:ui
/Users/apple/Library/Developer/Xcode/DerivedData/masonry自動佈局-cragjuqaxcsyhcckrysbcptlqprh/Build/Intermediates/masonry自動佈局.build/Debug-iphonesimulator/masonry自動佈局.build/Objects-normal/i386/ForCreateVerticalViewController.ospa
/Users/apple/Library/Developer/Xcode/DerivedData/masonry自動佈局-cragjuqaxcsyhcckrysbcptlqprh/Build/Intermediates/masonry自動佈局.build/Debug-iphonesimulator/masonry自動佈局.build/Objects-normal/i386/AutoTableViewViewController.ocode
ld: 2 duplicate symbols for architecture i386orm
這個 問題是 我把 AutoTableViewViewController 頭文件 寫成了 .m 而不是 .hip