Multiple commands produce ‘/Users/lipu/Library/Developer/Xcode/DerivedData/Runner-gzpgltoopwsvntfyfvixjalxeutn/Build/Products/Release-iphoneos/Runner.app/Frameworks/libavformat.framework’ 打开xcode进行以下流程可试试是否能解决直接在embed frameworks将多余的命令删除就可运行成功了。