diff --git a/Windows/CS/Framework4.0/Toprie/Toprie/Setting.cs b/Windows/CS/Framework4.0/Toprie/Toprie/Setting.cs
index 9f82bb8..d78af59 100644
--- a/Windows/CS/Framework4.0/Toprie/Toprie/Setting.cs
+++ b/Windows/CS/Framework4.0/Toprie/Toprie/Setting.cs
@@ -474,6 +474,30 @@ namespace JoyD.Windows.CS
                     btnBrushSize10.Visible = true;
                     btnBrushSize15.Visible = true;
                     
+                    // 获取选中行的索引
+                    int selectedRowIndex = -1;
+                    if (dataGridViewTempDiff.SelectedRows.Count > 0)
+                    {
+                        selectedRowIndex = dataGridViewTempDiff.SelectedRows[0].Index;
+                    }
+                    else if (dataGridViewTempDiff.SelectedCells.Count > 0)
+                    {
+                        selectedRowIndex = dataGridViewTempDiff.SelectedCells[0].RowIndex;
+                    }
+                    
+                    // 如果选中行索引有效，更新画笔按钮颜色
+                    if (selectedRowIndex >= 0 && selectedRowIndex < tempDiffData.Count)
+                    {
+                        Color selectedColor = (Color)tempDiffData[selectedRowIndex]["color"];
+                        
+                        // 更新所有画笔按钮的颜色
+                        btnBrushSize1.Image = CreateBrushSizeImage(1, selectedColor);
+                        btnBrushSize3.Image = CreateBrushSizeImage(3, selectedColor);
+                        btnBrushSize5.Image = CreateBrushSizeImage(5, selectedColor);
+                        btnBrushSize10.Image = CreateBrushSizeImage(10, selectedColor);
+                        btnBrushSize15.Image = CreateBrushSizeImage(15, selectedColor);
+                    }
+                    
                     // 确保当前选中的画笔大小按钮处于选中状态
                     UpdateBrushSizeButtonSelection(_currentBrushSize);
                     
@@ -741,13 +765,26 @@ namespace JoyD.Windows.CS
                         // 选中第一行
                         dataGridViewTempDiff.Rows[0].Selected = true;
                         // 手动触发SelectionChanged事件处理逻辑
-                        // 这里不直接调用事件，而是直接更新画笔按钮可见性
+                        // 这里不直接调用事件，而是直接更新画笔按钮可见性和颜色
                         btnBrushSize1.Visible = true;
                         btnBrushSize3.Visible = true;
                         btnBrushSize5.Visible = true;
                         btnBrushSize10.Visible = true;
                         btnBrushSize15.Visible = true;
                         
+                        // 更新画笔按钮颜色为第一行温差图例的颜色
+                        if (tempDiffData.Count > 0)
+                        {
+                            Color selectedColor = (Color)tempDiffData[0]["color"];
+                            
+                            // 更新所有画笔按钮的颜色
+                            btnBrushSize1.Image = CreateBrushSizeImage(1, selectedColor);
+                            btnBrushSize3.Image = CreateBrushSizeImage(3, selectedColor);
+                            btnBrushSize5.Image = CreateBrushSizeImage(5, selectedColor);
+                            btnBrushSize10.Image = CreateBrushSizeImage(10, selectedColor);
+                            btnBrushSize15.Image = CreateBrushSizeImage(15, selectedColor);
+                        }
+                        
                         // 确保当前选中的画笔大小按钮处于选中状态
                         UpdateBrushSizeButtonSelection(_currentBrushSize);