单例对象销毁时的检查，修正由此错误的销毁单例对象的bug

UnityProject/Assets/GameScripts/HotFix/GameBase/SingletonBehaviour.cs

@@ -35,9 +35,12 @@ namespace GameBase
         }
 
         protected virtual void OnDestroy()
+        {
+            if (this == _instance)
             {
                 Release();
             }
+        }
 
         /// <summary>
         /// 判断对象是否有效
@@ -96,7 +99,7 @@ namespace GameBase
                         }
                     }
 
-                    if(_instance == null)
+                    if (_instance == null)
                     {
                         Log.Error($"Can't create SingletonBehaviour<{typeof(T)}>");
                     }