XCode 13.1 Failed to generate coverage for target 'xx.app' at paths

The test log out put:

Failed to generate coverage for target 'xx.app' at paths ( "/Users/MyUser/DeriveData/xxDemo-aacxrfgumjzqjncgymjnenzofsub/Build/Products/Debug-iphonesimulator/xx.app/xx" ): Malformed coverage data

there are no other error message to indicat what's wrong of my setting.

XCode 13.1 Failed to generate coverage for target 'xx.app' at paths
 
 
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