Throwing an exception using multiple ICapSubscribe services about cap HOT 3 CLOSED

How can I reproduce this exception?

from cap.

i used :
public class CabSubsService : ICabSubsService, ICapSubscribe
public class CabSubsService2 : ICabSubsService2, ICapSubscribe

in startup.cs
services.AddTransient<ICabSubsService, CabSubsService>();
services.AddTransient<ICabSubsService2, CabSubsService2>();

i ran app，throw an error：
ArgumentException: An item with the same key has already been added. Key: DotNetCore.CAP.ICapSubscribe

from cap.

Thanks for your feedback, this is a bug.
I have fixed it on version 2.0.0-preview-20091963

from cap.