An unhandled exception occurred while processing the request.
InvalidOperationException: Cannot create a DbSet for 'IdentityUserClaim<string>' because this type is not included in the model for the context.
Microsoft.EntityFrameworkCore.Internal.InternalDbSet<TEntity>.get_EntityType()
解決方法,Context繼承identitycontext,不要自己實現集合,讓他自動創建
