diff --git a/Windows/CS/Framework4.0/Toprie/Toprie/Setting.cs b/Windows/CS/Framework4.0/Toprie/Toprie/Setting.cs
index 207ded8..183ed4e 100644
--- a/Windows/CS/Framework4.0/Toprie/Toprie/Setting.cs
+++ b/Windows/CS/Framework4.0/Toprie/Toprie/Setting.cs
@@ -1224,6 +1224,8 @@ namespace JoyD.Windows.CS
         {            
             try
             {                
+                Color colorToRemove = Color.Empty;
+                
                 // 检查是否有选中的行
                 if (dataGridViewTempDiff.SelectedRows.Count > 0)
                 {                    
@@ -1233,6 +1235,9 @@ namespace JoyD.Windows.CS
                     // 从数据集合中删除该行数据
                     if (selectedRowIndex >= 0 && selectedRowIndex < tempDiffData.Count)
                     {                        
+                        // 获取要删除的图例对应的颜色
+                        colorToRemove = (Color)tempDiffData[selectedRowIndex]["color"];
+                        
                         tempDiffData.RemoveAt(selectedRowIndex);
                         // 从DataGridView中删除该行
                         dataGridViewTempDiff.Rows.RemoveAt(selectedRowIndex);
@@ -1247,11 +1252,21 @@ namespace JoyD.Windows.CS
                     // 从数据集合中删除该行数据
                     if (currentRowIndex >= 0 && currentRowIndex < tempDiffData.Count)
                     {                        
+                        // 获取要删除的图例对应的颜色
+                        colorToRemove = (Color)tempDiffData[currentRowIndex]["color"];
+                        
                         tempDiffData.RemoveAt(currentRowIndex);
                         // 从DataGridView中删除该行
                         dataGridViewTempDiff.Rows.RemoveAt(currentRowIndex);
                     }
                 }
+                
+                // 将温差层中对应颜色的像素改为透明色
+                if (colorToRemove != Color.Empty && _tempDiffOverlayImage != null)
+                {
+                    UpdateTempDiffOverlayPixelsColor(colorToRemove, Color.Transparent);
+                    picBoxTemp.Invalidate(); // 刷新显示
+                }
             }            
             catch (Exception ex)
             {