diff --git a/Windows/CS/Framework4.0/Camera/Camera/LedDetector.cs b/Windows/CS/Framework4.0/Camera/Camera/LedDetector.cs
index e95ab64..89ccde0 100644
--- a/Windows/CS/Framework4.0/Camera/Camera/LedDetector.cs
+++ b/Windows/CS/Framework4.0/Camera/Camera/LedDetector.cs
@@ -79,6 +79,11 @@ public class LedDetector
             double avgH = CvInvoke.Mean(H).V0;
             double avgS = CvInvoke.Mean(S).V0;
             double avgV = CvInvoke.Mean(V).V0;
+            double minV = 0;
+            double maxV = 0;       // ±ØÐ붨Òå
+            Point minLoc = new Point(); // ±ØÐ붨Òå
+            Point maxLoc = new Point(); // ±ØÐ붨Òå
+            CvInvoke.MinMaxLoc(V, ref minV, ref maxV, ref minLoc, ref maxLoc);
 
             H.Dispose();
             S.Dispose();
diff --git a/Windows/CS/Framework4.0/Camera/Camera/Setting.cs b/Windows/CS/Framework4.0/Camera/Camera/Setting.cs
index f9044a0..f6583c6 100644
--- a/Windows/CS/Framework4.0/Camera/Camera/Setting.cs
+++ b/Windows/CS/Framework4.0/Camera/Camera/Setting.cs
@@ -142,6 +142,7 @@ namespace Camera
         private int[] _handleOffsetsX = { 0, 1, 2, 2, 1, 0, 0 };
         private int[] _handleOffsetsY = { 0, 0, 0, 1, 2, 2, 2, 1 };
         private int _lastSelectedZoneIndex = -1;
+        private bool _isLoadingSettings = false;
         private bool _isUpdatingDataGridView = false;
         public Setting()
         {
@@ -218,9 +219,11 @@ namespace Camera
 
             if (_camera != null)
             {
+                System.Diagnostics.Debug.WriteLine("Setting加载阈值: BrightLimit=" + _camera.GetBrightLimit() + ", SatLimit=" + _camera.GetSatLimit());
                 _camera.ImageCaptured += Camera_ImageCaptured;
                 _detectionZoneColor = _camera.GetDetectionZoneColor();
                 _ledZoneColors = _camera.GetLedZoneColors();
+                _isLoadingSettings = true;
                 toolStripNumericUpDown5.Value = _camera.GetBrightLimit();
                 toolStripNumericUpDown6.Value = _camera.GetSatLimit();
                 toolStripNumericUpDown7.Value = _camera.GetRedMin();
@@ -229,6 +232,7 @@ namespace Camera
                 toolStripNumericUpDown10.Value = _camera.GetGreenMax();
                 toolStripNumericUpDown11.Value = _camera.GetBlueMin();
                 toolStripNumericUpDown12.Value = _camera.GetBlueMax();
+                _isLoadingSettings = false;
             }
             picBoxCamera.BackColor = Color.Gray;
             splitContainer1.FixedPanel = System.Windows.Forms.FixedPanel.Panel2;
@@ -1695,7 +1699,7 @@ namespace Camera
         // 亮度阈值事件
         private void ToolStripNumericUpDown5_ValueChanged(object sender, EventArgs e)
         {
-            if (_camera == null) return;
+            if (_camera == null || _isLoadingSettings) return;
             int brightLimit = (int)toolStripNumericUpDown5.Value;
             int satLimit = (int)toolStripNumericUpDown6.Value;
             _camera.SetLedDetectorParams(brightLimit, satLimit);
@@ -1704,7 +1708,7 @@ namespace Camera
         // 饱和度阈值事件
         private void ToolStripNumericUpDown6_ValueChanged(object sender, EventArgs e)
         {
-            if (_camera == null) return;
+            if (_camera == null || _isLoadingSettings) return;
             int brightLimit = (int)toolStripNumericUpDown5.Value;
             int satLimit = (int)toolStripNumericUpDown6.Value;
             _camera.SetLedDetectorParams(brightLimit, satLimit);
@@ -1759,6 +1763,7 @@ namespace Camera
 
         private void UpdateColorThresholds()
         {
+            if (_camera == null || _isLoadingSettings) return;
             int redMin = (int)toolStripNumericUpDown7.Value;
             int redMax = (int)toolStripNumericUpDown8.Value;
             int greenMin = (int)toolStripNumericUpDown9.Value;