diff --git a/Windows/CS/Framework4.0/Toprie/Toprie/README.md b/Windows/CS/Framework4.0/Toprie/Toprie/README.md
index e8c2d33..bbfce11 100644
--- a/Windows/CS/Framework4.0/Toprie/Toprie/README.md
+++ b/Windows/CS/Framework4.0/Toprie/Toprie/README.md
@@ -149,5 +149,5 @@
 3. 图像合并机制 ：在Paint事件中先绘制叠加层，再绘制临时矩形。
 4. 保存的矩形框位置和大小信息应该是相对于图像的，而不是相对于控件的。
 5. 当btnDrawRegion按下后，处于绘制状态， btnSelectColor才显示出来
-6. 当就绪状态时，鼠标移到区域内，该区域内填充半透明色，当有多个重叠时，只填充索引最大的区域
+6. 当就绪状态时，鼠标移到区域内，该区域内填充半透明色，当有多个重叠时，填充索引号最大的区域
 7. 当鼠标在半透明区域内单击时，该区域填充半透明色，且显示八个句柄，表示选中该区域。
\ No newline at end of file
diff --git a/Windows/CS/Framework4.0/Toprie/Toprie/Setting.Designer.cs b/Windows/CS/Framework4.0/Toprie/Toprie/Setting.Designer.cs
index 01195ae..d51c25f 100644
--- a/Windows/CS/Framework4.0/Toprie/Toprie/Setting.Designer.cs
+++ b/Windows/CS/Framework4.0/Toprie/Toprie/Setting.Designer.cs
@@ -142,6 +142,7 @@
             this.ClientSize = new System.Drawing.Size(649, 450);
             this.Controls.Add(this.splitContainer);
             this.Name = "Setting";
+            this.StartPosition = System.Windows.Forms.FormStartPosition.Manual;
             this.Text = "检测配置";
             this.splitContainer.Panel1.ResumeLayout(false);
             this.splitContainer.Panel2.ResumeLayout(false);
diff --git a/Windows/CS/Framework4.0/Toprie/Toprie/Setting.cs b/Windows/CS/Framework4.0/Toprie/Toprie/Setting.cs
index 8e19dcf..7098e8c 100644
--- a/Windows/CS/Framework4.0/Toprie/Toprie/Setting.cs
+++ b/Windows/CS/Framework4.0/Toprie/Toprie/Setting.cs
@@ -189,14 +189,15 @@ namespace JoyD.Windows.CS
                 // 将鼠标坐标转换为图像坐标
                 Point imagePoint = ControlPointToImagePoint(e.Location);
                 
-                // 检查鼠标是否在某个区域内
+                // 检查鼠标是否在某个区域内，选择索引号最大的区域
                 int newHoveredRegionIndex = -1;
+                int maxIndex = -1;
                 foreach (RegionInfo region in _drawnRectangles)
                 {
-                    if (region.ImageRectangle.Contains(imagePoint))
+                    if (region.ImageRectangle.Contains(imagePoint) && region.Index > maxIndex)
                     {
+                        maxIndex = region.Index;
                         newHoveredRegionIndex = region.Index;
-                        break;
                     }
                 }