diff --git a/Windows/CS/Framework4.0/Toprie/Toprie/Setting.cs b/Windows/CS/Framework4.0/Toprie/Toprie/Setting.cs
index 4dd361b..7c033b8 100644
--- a/Windows/CS/Framework4.0/Toprie/Toprie/Setting.cs
+++ b/Windows/CS/Framework4.0/Toprie/Toprie/Setting.cs
@@ -2898,9 +2898,11 @@ namespace JoyD.Windows.CS
                             adjustedBrushSize = Math.Min(adjustedBrushSize, 50); // 最大50像素
                         }
                         
-                        // 绘制擦除区域（方形）
-                        // 直接使用imagePoint作为方形的左上角，以确保与光标块对齐
-                        g.FillRectangle(Brushes.Transparent, imagePoint.X, imagePoint.Y, adjustedBrushSize, adjustedBrushSize);
+                        // 计算方形位置，使其居中
+                        int halfSize = adjustedBrushSize / 2;
+                        
+                        // 绘制擦除区域（方形），与光标块保持一致的居中对齐方式
+                        g.FillRectangle(Brushes.Transparent, imagePoint.X - halfSize, imagePoint.Y - halfSize, adjustedBrushSize, adjustedBrushSize);
                         
                         // 恢复CompositingMode为默认值
                         g.CompositingMode = System.Drawing.Drawing2D.CompositingMode.SourceOver;
@@ -2943,11 +2945,13 @@ namespace JoyD.Windows.CS
                             adjustedBrushSize = Math.Min(adjustedBrushSize, 50); // 最大50像素
                         }
                         
-                        // 绘制区域（方形）
-                        // 直接使用imagePoint作为方形的左上角，以确保与光标块对齐
+                        // 计算方形位置，使其居中
+                        int halfSize = adjustedBrushSize / 2;
+                        
+                        // 绘制区域（方形），与光标块保持一致的居中对齐方式
                         using (SolidBrush brush = new SolidBrush(selectedColor))
                         {
-                            g.FillRectangle(brush, imagePoint.X, imagePoint.Y, adjustedBrushSize, adjustedBrushSize);
+                            g.FillRectangle(brush, imagePoint.X - halfSize, imagePoint.Y - halfSize, adjustedBrushSize, adjustedBrushSize);
                         }
                     }
                 }