I cannot change cancelorder button route

I'm using nopcore ver4.20. But i can't change cancelorder button route.

My code route code is below;

routeBuilder.MapRoute("Plugin.MyOrders.OrderOperations.CancelOrder",
                    "Admin/Order/Edit/{orderId}",
                    new { controller = "OrderOperationAdminController", action = "CancelOrder", area = "admin" });

In plugin is other methods and routes running. I don't have problem other methods.

Please, can you help me?

Thank you...

is there anyone who can answer? :(