:-1: Multiple commands produce '/Users/apple/Library/Developer/Xcode/DerivedData/Pic-frfhvoheijeiybfkgglgxywajidn/Build/Products/Debug-iphoneos/Pic.app/data.json':
1) Target 'Pic' (project 'Pic') has copy command from '/Users/apple/Downloads/PictureScanView-master/Pic/GIF/DataJson/data.json' to '/Users/apple/Library/Developer/Xcode/DerivedData/Pic-frfhvoheijeiybfkgglgxywajidn/Build/Products/Debug-iphoneos/Pic.app/data.json'
2) Target 'Pic' (project 'Pic') has copy command from '/Users/apple/Downloads/PictureScanView-master/Pic/Resource/data.json' to '/Users/apple/Library/Developer/Xcode/DerivedData/Pic-frfhvoheijeiybfkgglgxywajidn/Build/Products/Debug-iphoneos/Pic.app/data.json'
下载了一个demo 在手机上运行 提示 这个错误 在build phases中删掉对应文件 编译一下 就成功了