From 848c0680422f5387fef8c76e307d810a61b6dae2 Mon Sep 17 00:00:00 2001
From: zqm <zqm@example.com>
Date: Thu, 30 Oct 2025 14:48:59 +0800
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---
 Windows/CS/Framework4.0/Toprie/Toprie/Camera.cs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Windows/CS/Framework4.0/Toprie/Toprie/Camera.cs b/Windows/CS/Framework4.0/Toprie/Toprie/Camera.cs
index c008239..651bc52 100644
--- a/Windows/CS/Framework4.0/Toprie/Toprie/Camera.cs
+++ b/Windows/CS/Framework4.0/Toprie/Toprie/Camera.cs
@@ -697,8 +697,8 @@ namespace JoyD.Windows.CS.Toprie
                 {   
                     using (Graphics g = Graphics.FromImage(_imageBuffer))
                     {   
-                        // 清除缓冲区背景为黑色
-                        g.Clear(Color.Black);
+                        // 清除缓冲区背景为透明色，确保热图能够正常显示
+                        g.Clear(Color.Transparent);
                         
                         // 步骤1：先将LastImage绘制到全局缓冲
                         if (lastImage != null)