error：
note: Building targets in dependency order
error: Multiple commands produce '/Users/cool_mac/Library/Developer/Xcode/DerivedData/xxx-cgedporlbggxyigfaezqoltztgvk/Build/Products/Debug-iphoneos/xxx.app/Info.plist'
note: Target 'xxx' (project 'xxx') has copy command from '/Users/cool_mac/Documents/WrokProjects/xxx/proj.ios_mac/ios/Info.plist' to '/Users/cool_mac/Library/Developer/Xcode/DerivedData/xxx-cgedporlbggxyigfaezqoltztgvk/Build/Products/Debug-iphoneos/xxx.app/Info.plist'
note: Target 'xxx' (project 'xxx') has process command with output '/Users/cool_mac/Library/Developer/Xcode/DerivedData/xxx-cgedporlbggxyigfaezqoltztgvk/Build/Products/Debug-iphoneos/xxx.app/Info.plist'
解决方法：
项目->TARGETS-->Build Phases--->Copy Bundle Resources 下面info.plist 文件删除掉
如：下图
