why the ipa file did not generated when build the flutter app-CodePudding

When I am using this command to build the ios ipa file:

➜  ios git:(master) ✗ ~/fvm/versions/2.5.0/bin/flutter build ipa                       
Changing current working directory to: /Users/xiaoqiangjiang/source/reddwarf/frontend/flutter-netease-music
Archiving com.reddwarf.musicapp...
Automatically signing iOS for device deployment using specified development team in Xcode project: 6JP4P88ZJB
Running pod install...                                             960ms
Running Xcode build...                                                  
 └─Compiling, linking and signing...                         4.7s
Xcode archive done.                                         40.8s
Built /Users/xiaoqiangjiang/source/reddwarf/frontend/flutter-netease-music/build/ios/archive/Runner.xcarchive.