diff --git a/main.py b/main.py
index 2bf97a0..7936ca8 100644
--- a/main.py
+++ b/main.py
@@ -25,6 +25,7 @@ async def start_system():
     }
 
     ray.init(ignore_reinit_error=True,
+             namespace="pretor",
              dashboard_host="0.0.0.0",
              dashboard_port=8265,
              runtime_env={"env_vars": env_vars})
diff --git a/pretor/utils/ray_hook.py b/pretor/utils/ray_hook.py
index e836e00..90cdac9 100644
--- a/pretor/utils/ray_hook.py
+++ b/pretor/utils/ray_hook.py
@@ -35,7 +35,7 @@ class ActorList:
 @lru_cache(maxsize=128)
 def _get_cached_actor_handle(actor_name: str):
     """缓存接口"""
-    return ray.get_actor(actor_name)
+    return ray.get_actor(actor_name, namespace="pretor")
 
 def clear_actor_cache():
     """清理接口"""