diff --git a/Tests/Mango.Sandbox/Mango.Sandbox.EndPoints/DevAdminSignalRHubSandbox.cs b/Tests/Mango.Sandbox/Mango.Sandbox.EndPoints/DevAdminSignalRHubSandbox.cs
index 86d39df6..0da78bb7 100644
--- a/Tests/Mango.Sandbox/Mango.Sandbox.EndPoints/DevAdminSignalRHubSandbox.cs
+++ b/Tests/Mango.Sandbox/Mango.Sandbox.EndPoints/DevAdminSignalRHubSandbox.cs
@@ -26,7 +26,7 @@ public class DevAdminSignalRHubSandbox : AcWebSignalRHubWithSessionBase<SignalRT
         : base(configuration, new Logger<DevAdminSignalRHubSandbox>(logWriters.ToArray()))
     {
         SerializerOptions = new AcBinarySerializerOptions();
-        DynamicMethodCallModels.Add(new AcDynamicMethodCallModel<SignalRAttribute>(testSignalREndpoint));
+        DynamicMethodRegistry.Register(testSignalREndpoint);
     }
 
     //protected override Task SendMessageToClient(IAcSignalRHubItemServer sendTo, int messageTag, ISignalRMessage message, int? requestId = null)