JMessage JChat启动 / 登录报错

Multiple commands produce '/Users/xxxx/Library/Developer/Xcode/DerivedData/JChat-egzekgmiplcrntfwxqyydejizfdl/Build/Products/Debug-iphonesimulator/JChat.app/Info.plist':

1) Target 'JChat' (project 'JChat') has copy command from '/Users/xxxx/WorkFiles/APP离线打包/jchat-ios-master/JChat/External/Masonry/Info.plist' to '/Users/xxxx/Library/Developer/Xcode/DerivedData/JChat-egzekgmiplcrntfwxqyydejizfdl/Build/Products/Debug-iphonesimulator/JChat.app/Info.plist'
2) Target 'JChat' (project 'JChat') has process command with output '/Users/xxx/Library/Developer/Xcode/DerivedData/JChat-egzekgmiplcrntfwxqyydejizfdl/Build/Products/Debug-iphonesimulator/JChat.app/Info.plist'

执行pod install之后启动报错