diff --git a/pretor/core/individual/supervisory_node/supervisory_node.py b/pretor/core/individual/supervisory_node/supervisory_node.py
index c4d4645..ec42f29 100644
--- a/pretor/core/individual/supervisory_node/supervisory_node.py
+++ b/pretor/core/individual/supervisory_node/supervisory_node.py
@@ -111,7 +111,7 @@ class SupervisoryNode:
                 if isinstance(payload, PretorEvent):
                     payload.context["workflow_template"] = result.workflow_template
                     try:
-                        workflow_running_engine = ray_actor_hook("workflow_running_engine")
+                        workflow_running_engine = ray_actor_hook("workflow_running_engine").workflow_running_engine
                         await workflow_running_engine.put_event.remote(payload)
                     except Exception as e:
                         self.logger.error(f"SupervisoryNode: 无法将事件放入 WorkflowRunningEngine: {e}")