diff --git a/Assets/Scripts/Controller/DeviceController.cs b/Assets/Scripts/Controller/DeviceController.cs
index 5b7b7195..6071ad20 100644
--- a/Assets/Scripts/Controller/DeviceController.cs
+++ b/Assets/Scripts/Controller/DeviceController.cs
@@ -29,6 +29,10 @@ public class DeviceController : MonoSingleton<DeviceController>
 
     private void OnQuit(OnModuleQuit quit)
     {
+        foreach (var item in deviceDict)
+        {
+            item.Value.item.Close();
+        }
         deviceDict.Clear();
     }
 
diff --git a/Assets/Scripts/Item/DeviceItem.cs b/Assets/Scripts/Item/DeviceItem.cs
index c1f33bc8..ef5d8d0a 100644
--- a/Assets/Scripts/Item/DeviceItem.cs
+++ b/Assets/Scripts/Item/DeviceItem.cs
@@ -18,7 +18,8 @@ public class DeviceItem : MonoBehaviour
             var effect = gameObject.GetOrAddComponent<HighlightEffect>();
             gameObject.GetOrAddComponent<HighlightTrigger>();
             effect.outlineColor = Color.green;
-            StringEventSystem.Global.Register<string[]>(Global.HighLightTrigger, OnHighLightTriggerEvent).UnRegisterWhenGameObjectDestroyed(gameObject);
+            Debug.LogError("Regitser £º " + gameObject.name);
+            StringEventSystem.Global.Register<string[]>(Global.HighLightTrigger, OnHighLightTriggerEvent);
         }
         if (device.MeshCollider)
         {
@@ -40,6 +41,14 @@ public class DeviceItem : MonoBehaviour
         }
     }
 
+    public void Close()
+    {
+        device = null;
+        tipItem = null;
+        Debug.LogError(gameObject.name);
+        StringEventSystem.Global.UnRegister<string[]>(Global.HighLightTrigger, OnHighLightTriggerEvent);
+    }
+
     private void OnHighLightTriggerEvent(string[] obj)
     {
         if (obj.Length > 0)