diff --git a/Assets/02.Scripts/BlueWater/Utility/Singletone.cs b/Assets/02.Scripts/BlueWater/Utility/Singletone.cs
index 7d954fa40..097bfd470 100644
--- a/Assets/02.Scripts/BlueWater/Utility/Singletone.cs
+++ b/Assets/02.Scripts/BlueWater/Utility/Singletone.cs
@@ -142,4 +142,11 @@ public abstract class Singleton : MonoBehaviour
     #region  Properties
     public static bool Quitting { get; private set; }
     #endregion
+    
+    #region  Methods
+    protected virtual void OnApplicationQuit()
+    {
+        Quitting = true;
+    }
+    #endregion
 }
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