Flutter xCode 打包报 IPA processing failed

点Show Logs进去查看日志，打开 IDEDistribution.standard.log



然后 先cd 到 该路径中

cd /Users/luozugen/Library/Developer/Xcode/Archives/2019-10-17/Portal 2019-10-17, 11.06 AM.xcarchive/Products/Applications/Utrack.app/Frameworks/Flutter.framework

执行: lipo -remove x86_64 Flutter -o Flutter

然后回到xcode点击cancel, 重新点击 archive 打包

解决方法来自: https://github.com/flutter/flutter/issues/42917#issuecomment-558547544