报错信息

 Multiple commands produce '/Users/liuyufeng/Library/Developer/Xcode/DerivedData/WILLB-fnfjthywutcbimdvhvurpxbfbyom/Build/Products/Debug-iphoneos/WILLB.app':
1) Target 'WILLB' has create directory command with output '/Users/liuyufeng/Library/Developer/Xcode/DerivedData/WILLB-fnfjthywutcbimdvhvurpxbfbyom/Build/Products/Debug-iphoneos/WILLB.app'
2) That command depends on command in Target 'WILLB': script phase “[CP] Copy Pods Resources”

方法一

方法二

本人亲测两种方法都可以，项目可以正常运行、打包。

如果两种方法都不行，就去找找pods里面的SDK是否有多的plist文件，删掉，百度上一堆都是这种方法。