diff --git a/Assets/Raindrop/UI/LoadingScreen/LoadingController.cs b/Assets/Raindrop/UI/LoadingScreen/LoadingController.cs
index 67f9e26..0cd4181 100644
--- a/Assets/Raindrop/UI/LoadingScreen/LoadingController.cs
+++ b/Assets/Raindrop/UI/LoadingScreen/LoadingController.cs
@@ -36,9 +36,10 @@ namespace Raindrop.UI.LoadingScreen
 
         private void RemoveLoginEvents()
         {
+            if (netcom == null)
+                return;
             netcom.ClientLoggingIn -= new EventHandler<OverrideEventArgs>(netcom_ClientLoggingIn);
             netcom.ClientLoginStatus -= new EventHandler<LoginProgressEventArgs>(netcom_ClientLoginStatus);
-
         }
 
         
diff --git a/Assets/Raindrop/UI/Map/Map_SceneHierachy/MapScenePresenter.cs b/Assets/Raindrop/UI/Map/Map_SceneHierachy/MapScenePresenter.cs
index 32edf67..c3c6780 100644
--- a/Assets/Raindrop/UI/Map/Map_SceneHierachy/MapScenePresenter.cs
+++ b/Assets/Raindrop/UI/Map/Map_SceneHierachy/MapScenePresenter.cs
@@ -104,6 +104,7 @@ namespace Raindrop.UI.map.Map_SceneHierachy
             Client.Grid.GridRegion -= new EventHandler<GridRegionEventArgs>(Grid_GridRegion);
             Client.Grid.GridLayer -= new EventHandler<GridLayerEventArgs>(Grid_GridLayer);
             
+            if (Instance == null) return;
             Instance.Netcom.ClientConnected -= NetcomOnClientConnected;
             Instance.Netcom.ClientDisconnected -= NetcomOnClientDisconnected;
         }