[Flutter] FlutterMacOS.framework: unsealed contents present in the root directory of an...

I want to notarize my macos app built by flutter. I receive a notarization error: the signature is invalid. When I check the sign locally, the log said unsealed contents present in the root directory of an embedded framework in FlutterMacOS.framework.

I ran the following command to the signature:

codesign -vvv --deep --strict Products/Applications/flutter_application_1.app/Contents/MacOS/flutter_application_1


The log:

...
--prepared:/Users/nicholascui/Library/Developer/Xcode/Archives/2024-09-27/Runner 2024-9-27, 13.37.xcarchive/Products/Applications/flutter_application_1.app/Contents/Frameworks/FlutterMacOS.framework/Versions/Current/.
Products/Applications/flutter_application_1.app/Contents/MacOS/flutter_application_1: unsealed contents present in the root directory of an embedded framework
In subcomponent: /Users/nicholascui/Library/Developer/Xcode/Archives/2024-09-27/Runner 2024-9-27, 13.37.xcarchive/Products/Applications/flutter_application_1.app/Contents/Frameworks/FlutterMacOS.framework

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