制作pod库 执行pod lib lint --verbose

/Library/Developer/Xcode/DerivedData/App-crlarngkazusurbhezcbakiytbfc/Build/Intermediates.noindex/App.build/Release-iphonesimulator/App.build/Objects-normal/x86_64/Binary/App normal x86_64

解决方法

在 podspec 文件中添加 
spec.pod_target_xcconfig = { 'VALID_ARCHS' => 'x86_64 armv7 arm64' }