我有一个应用程序在Xcode 9上的CircleCI上运行React Native 0.57.7时运行良好，但是我们需要将Xcode版本提高到10.1.0。
但是，当我切换它时，Ci停止工作，即使启用了旧版系统（-UseNewBuildSystem=NO或-UseModernBuildSystem=0传递给Fastlane的build_ios_app），我也会收到“ Myapp.app/main.jsbundle不存在”错误。
? + echo 'error: File /Users/distiller/project/ios/build/Build/Intermediates.noindex/ArchiveIntermediates/Myapp/BuildProductsPath/Release-iphoneos/Myapp.app/main.jsbundle does not exist. This must be a bug with'
? error: File /Users/distiller/project/ios/build/Build/Intermediates.noindex/ArchiveIntermediates/Myapp/BuildProductsPath/Release-iphoneos/Myapp.app/main.jsbundle does not exist. This must be a bug with
? + echo 'React Native, please report it here: https://github.com/facebook/react-native/issues'
? React Native, please report it here: https://github.com/facebook/react-native/issues