diff --git a/Windows/CS/Framework4.0/Toprie/Toprie/Setting.cs b/Windows/CS/Framework4.0/Toprie/Toprie/Setting.cs
index b108697..3a943b2 100644
--- a/Windows/CS/Framework4.0/Toprie/Toprie/Setting.cs
+++ b/Windows/CS/Framework4.0/Toprie/Toprie/Setting.cs
@@ -3024,13 +3024,15 @@ namespace JoyD.Windows.CS
                     // 用透明色清空叠加层图像
                     CreateRectangleOverlayImage();
                     
+                    // 重置区域计数器
+                    _regionCounter = 0;
+                    
                     // 从CSV文件中读取所有测温区位置大小和颜色信息
                     using (StreamReader reader = new StreamReader(openFileDialog.FileName, Encoding.UTF8))
                     {
                         // 跳过标题行
                         string headerLine = reader.ReadLine();
                         
-                        int index = 0;
                         string line;
                         // 逐行读取数据
                         while ((line = reader.ReadLine()) != null)
@@ -3090,6 +3092,12 @@ namespace JoyD.Windows.CS
                     // 更新按钮可见性
                     UpdateButtonsVisibility(0);
                     
+                    // 更新_regionCounter为当前最大索引值+1，避免后续绘制新区域时索引冲突
+                    if (_drawnRectangles.Count > 0)
+                    {
+                        _regionCounter = _drawnRectangles.Max(r => r.Index) + 1;
+                    }
+                    
                     // 加载成功后提示用户
                     MessageBox.Show("测温区信息加载成功，共加载 " + _drawnRectangles.Count + " 个测温区", "成功", MessageBoxButtons.OK, MessageBoxIcon.Information);
                 }