diff --git a/UnityProject/Assets/Dependencies/JEngine/Core/Util/FpsMonitor.cs b/UnityProject/Assets/Dependencies/JEngine/Core/Util/FpsMonitor.cs
index e2b0b6ef..35608866 100644
--- a/UnityProject/Assets/Dependencies/JEngine/Core/Util/FpsMonitor.cs
+++ b/UnityProject/Assets/Dependencies/JEngine/Core/Util/FpsMonitor.cs
@@ -8,7 +8,7 @@ public static class FpsMonitor
         public static long TotalFrames => _totalFrames;
 
         private static int _frames;
-        private static int _backupFrames;
+        private static int _backupFrames = Application.targetFrameRate > 0 ? Application.targetFrameRate : 60;
         private static float _timer = 1;
         private static long _totalFrames;
 
@@ -21,9 +21,8 @@ private static void Update()
         {
             //增加帧率
             ++_frames;
-            ++_backupFrames;
             ++_totalFrames;
-            
+
             //计时器刷新
             _timer -= Time.deltaTime;