diff --git a/src/Cnblogs.Architecture.Ddd.Cqrs.AspNetCore/CommandEndpointHandler.cs b/src/Cnblogs.Architecture.Ddd.Cqrs.AspNetCore/CommandEndpointHandler.cs
index 20c5dad..0616ee6 100644
--- a/src/Cnblogs.Architecture.Ddd.Cqrs.AspNetCore/CommandEndpointHandler.cs
+++ b/src/Cnblogs.Architecture.Ddd.Cqrs.AspNetCore/CommandEndpointHandler.cs
@@ -34,6 +34,12 @@ public CommandEndpointHandler(IMediator mediator, IOptions<CqrsHttpOptions> opti
                 "Expected ICommand<>, but got null, check if your delegate in MapCommand(route, delegate) returned non-null command");
         }
 
+        if (command is not IBaseRequest)
+        {
+            // not command, return as-is
+            return command;
+        }
+
         var response = await _mediator.Send(command);
         if (response is null)
         {