iOS 编译报错 Multiple commands produce

在更新了新版本的Xcode之后，把File → Workspace Settings 里面的 Build System 改成了 New Build system 之后，开始报错了。

报错信息：

Multiple commands produce '/Users/aidong/Library/Developer/Xcode/DerivedData/iSport-gpisftmtduwpzaazaakikypxvvpb/Build/Products/Debug-iphoneos/iSport.app/LICENSE':

1. Target 'iSport' (project 'iSport') has copy command from '/Users/aidong/Desktop/Ai_dong_4/iSport/extensions/JCBrightness/LICENSE' to '/Users/aidong/Library/Developer/Xcode/DerivedData/iSport-gpisftmtduwpzaazaakikypxvvpb/Build/Products/Debug-iphoneos/iSport.app/LICENSE'
2. Target 'iSport' (project 'iSport') has copy command from '/Users/aidong/Desktop/Ai_dong_4/iSport/extensions/MJRefresh/LICENSE' to '/Users/aidong/Library/Developer/Xcode/DerivedData/iSport-gpisftmtduwpzaazaakikypxvvpb/Build/Products/Debug-iphoneos/iSport.app/LICENSE'

解决：把报错的那两个 LICENSE 删掉，如图

报错1.jpg

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