diff --git a/Windows/CS/Framework4.0/Toprie/Toprie/Camera.cs b/Windows/CS/Framework4.0/Toprie/Toprie/Camera.cs
index 38d5e73..e397d42 100644
--- a/Windows/CS/Framework4.0/Toprie/Toprie/Camera.cs
+++ b/Windows/CS/Framework4.0/Toprie/Toprie/Camera.cs
@@ -108,41 +108,53 @@ namespace JoyD.Windows.CS.Toprie
         {   
             try
             {   
-                Console.WriteLine($"UpdateMaskDisplay called, _isImageUpdatePaused: {_isImageUpdatePaused}, maskImageBox: {maskImageBox}, maskImageBox.Size: {maskImageBox.Width}x{maskImageBox.Height}");
+                Console.WriteLine($"UpdateMaskDisplay called, _isImageUpdatePaused: {_isImageUpdatePaused}");
                 
                 if (_isImageUpdatePaused)
                 {   
-                    // 确保maskImageBox大小有效
-                    int width = Math.Max(100, maskImageBox.Width);
-                    int height = Math.Max(100, maskImageBox.Height);
+                    // 使用固定大小512*384，与图像层的src图像大小一致
+                    const int bitmapWidth = 512;
+                    const int bitmapHeight = 384;
                     
-                    Console.WriteLine($"Creating bitmap with size: {width}x{height}");
+                    Console.WriteLine($"Creating bitmap with fixed size: {bitmapWidth}x{bitmapHeight} using double buffering");
                     
-                    // 创建一个位图
-                    Bitmap bitmap = new Bitmap(width, height);
+                    // 创建一个支持双缓冲的位图
+                    Bitmap bitmap = new Bitmap(bitmapWidth, bitmapHeight);
+                    
+                    // 使用双缓冲技术绘制
                     using (Graphics g = Graphics.FromImage(bitmap))
                     {   
-                        // 设置高质量绘制
-                        g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
-                        g.TextRenderingHint = System.Drawing.Text.TextRenderingHint.ClearTypeGridFit;
-                        
-                        // 设置半透明背景
-                        using (Brush brush = new SolidBrush(Color.FromArgb(150, Color.Black)))
+                        // 创建缓冲区Graphics对象以实现双缓冲
+                        BufferedGraphicsContext bufferedGraphicsContext = BufferedGraphicsManager.Current;
+                        using (BufferedGraphics bufferedGraphics = bufferedGraphicsContext.Allocate(g, new Rectangle(0, 0, bitmapWidth, bitmapHeight)))
                         {   
-                            g.FillRectangle(brush, 0, 0, bitmap.Width, bitmap.Height);
+                            Graphics bufferGraphics = bufferedGraphics.Graphics;
+                            
+                            // 设置高质量绘制
+                            bufferGraphics.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
+                            bufferGraphics.TextRenderingHint = System.Drawing.Text.TextRenderingHint.ClearTypeGridFit;
+                            
+                            // 设置半透明背景
+                            using (Brush brush = new SolidBrush(Color.FromArgb(150, Color.Black)))
+                            {   
+                                bufferGraphics.FillRectangle(brush, 0, 0, bitmapWidth, bitmapHeight);
+                            }
+                            
+                            // 设置文本样式
+                            Font font = new Font("微软雅黑", 48, FontStyle.Bold);
+                            Brush textBrush = new SolidBrush(Color.White);
+                            StringFormat format = new StringFormat();
+                            format.Alignment = StringAlignment.Center;
+                            format.LineAlignment = StringAlignment.Center;
+                            
+                            // 绘制"暂停"文字
+                            Console.WriteLine("Drawing '暂停' text");
+                            bufferGraphics.DrawString("暂停", font, textBrush, 
+                                new Rectangle(0, 0, bitmapWidth, bitmapHeight), format);
+                            
+                            // 将缓冲区内容绘制到目标位图
+                            bufferedGraphics.Render(g);
                         }
-                        
-                        // 设置文本样式
-                        Font font = new Font("微软雅黑", 48, FontStyle.Bold);
-                        Brush textBrush = new SolidBrush(Color.White);
-                        StringFormat format = new StringFormat();
-                        format.Alignment = StringAlignment.Center;
-                        format.LineAlignment = StringAlignment.Center;
-                        
-                        // 绘制"暂停"文字
-                        Console.WriteLine("Drawing '暂停' text");
-                        g.DrawString("暂停", font, textBrush, 
-                            new Rectangle(0, 0, bitmap.Width, bitmap.Height), format);
                     }
                     
                     // 在UI线程上更新maskImageBox
@@ -151,6 +163,11 @@ namespace JoyD.Windows.CS.Toprie
                     {   
                         maskImageBox.Invoke(new Action(() => 
                         {   
+                            // 先释放之前的图像资源
+                            if (maskImageBox.Image != null)
+                            {   
+                                maskImageBox.Image.Dispose();
+                            }
                             maskImageBox.Image = bitmap;
                             maskImageBox.Visible = true;
                             Console.WriteLine("maskImageBox updated via Invoke");
@@ -158,6 +175,11 @@ namespace JoyD.Windows.CS.Toprie
                     }
                     else
                     {   
+                        // 先释放之前的图像资源
+                        if (maskImageBox.Image != null)
+                        {   
+                            maskImageBox.Image.Dispose();
+                        }
                         maskImageBox.Image = bitmap;
                         maskImageBox.Visible = true;
                         Console.WriteLine("maskImageBox updated directly");
@@ -171,13 +193,21 @@ namespace JoyD.Windows.CS.Toprie
                     {   
                         maskImageBox.Invoke(new Action(() => 
                         {   
-                            maskImageBox.Image = null;
+                            if (maskImageBox.Image != null)
+                            {   
+                                maskImageBox.Image.Dispose();
+                                maskImageBox.Image = null;
+                            }
                             Console.WriteLine("maskImageBox cleared via Invoke");
                         }));
                     }
                     else
                     {   
-                        maskImageBox.Image = null;
+                        if (maskImageBox.Image != null)
+                        {   
+                            maskImageBox.Image.Dispose();
+                            maskImageBox.Image = null;
+                        }
                         Console.WriteLine("maskImageBox cleared directly");
                     }
                 }