记录一下Xcode报错
Multiple commands produce '/Users/mac/Library/Developer/Xcode/DerivedData/xxx-gfcldudapckntpayprimsmwlgfhf/Build/Products/Debug-iphoneos/xxx.app/Frameworks/FBSDKCoreKit.framework'
究其原因是target->build setting->build phases->[CP] Embed Pods Frameworks这里面多了一行对应的framework 删除即可正常运行