diff --git a/CSI-L028瞬态热线法导热系数测试仪器电气清单.xlsx b/CSI-L028瞬态热线法导热系数测试仪器电气清单.xlsx
index 553dc65..56507ff 100644
Binary files a/CSI-L028瞬态热线法导热系数测试仪器电气清单.xlsx and b/CSI-L028瞬态热线法导热系数测试仪器电气清单.xlsx differ
diff --git a/Models/AppConfig.cs b/Models/AppConfig.cs
index 366ba2c..cb66994 100644
--- a/Models/AppConfig.cs
+++ b/Models/AppConfig.cs
@@ -69,7 +69,7 @@ public class TestParameters
 
 
     public double FitStartTime { get; set; } = 0.01;   // 默认0.35秒，避开早期扰动
-    public double FitEndTime { get; set; } = 0.1;
+    public double FitEndTime { get; set; } = 0.3;
 
 
 
diff --git a/ViewModels/D7896ViewModel.cs b/ViewModels/D7896ViewModel.cs
index 202a816..32761c0 100644
--- a/ViewModels/D7896ViewModel.cs
+++ b/ViewModels/D7896ViewModel.cs
@@ -706,11 +706,20 @@ public partial class D7896ViewModel : ObservableObject
             TemperatureCurveModel.Axes.Add(new LinearAxis { Position = AxisPosition.Left, Title = "温升 (℃)" });
         }
 
-        // 加热段曲线（红色）
+        // 根据当前测量索引计算色相 (0 ~ 1)
+        double hue = ((CurrentMeasurementIndex - 1) % 10) / 10.0;   // 0, 0.1, 0.2 ... 0.9
+                                                                    // 加热曲线颜色：饱和度0.9，亮度0.8
+        var heatColor = OxyColor.FromHsv(hue, 0.9, 0.8);
+        // 冷却曲线颜色：色相偏移0.5（互补色），饱和度0.6，亮度0.8（较淡）
+        double coolHue = hue + 0.5;
+        if (coolHue >= 1.0) coolHue -= 1.0;
+        var coolColor = OxyColor.FromHsv(coolHue, 0.6, 0.8);
+
+        // 加热段曲线（红色系实线）
         var heatingSeries = new LineSeries
         {
-            Title = $"第{CurrentMeasurementIndex}次测量 - 加热段",
-            Color = OxyColors.Red,
+            Title = $"第{CurrentMeasurementIndex}次 - 加热",
+            Color = heatColor,
             StrokeThickness = 1.5
         };
         for (int i = 0; i < time.Length && time[i] <= 1.0; i++)
@@ -719,13 +728,13 @@ public partial class D7896ViewModel : ObservableObject
         }
         TemperatureCurveModel.Series.Add(heatingSeries);
 
-        // 冷却曲线（蓝色虚线）
+        // 冷却曲线（互补色，虚线）
         if (coolingPoints != null && coolingPoints.Count > 0)
         {
             var coolingSeries = new LineSeries
             {
-                Title = $"第{CurrentMeasurementIndex}次测量 - 冷却段",
-                Color = OxyColors.Blue,
+                Title = $"第{CurrentMeasurementIndex}次 - 冷却",
+                Color = coolColor,
                 StrokeThickness = 1.5,
                 LineStyle = LineStyle.Dash
             };
diff --git a/Views/D7896View.xaml b/Views/D7896View.xaml
index 8cadc34..9406c78 100644
--- a/Views/D7896View.xaml
+++ b/Views/D7896View.xaml
@@ -208,7 +208,7 @@
             <Border Grid.Row="3" Background="White" CornerRadius="6" Padding="8" Margin="0,5" Effect="{StaticResource CardShadow}">
                 <StackPanel>
                     <TextBlock Text="{Binding CurveTitle}" FontWeight="Bold" FontSize="13" Margin="0,0,0,5" Foreground="#1E4F7A"/>
-                    <oxy:PlotView Model="{Binding TemperatureCurveModel}" Height="220"/>
+                    <oxy:PlotView Model="{Binding TemperatureCurveModel}" Height="350"/>
                 </StackPanel>
             </Border>
 
@@ -290,8 +290,8 @@
                         <TextBox Text="{Binding AverageThermalConductivity, StringFormat=F5}" Width="100" IsReadOnly="True"/>
                         <TextBlock Text="W/m·K" Margin="6,0,30,0"/>
                         <TextBlock Text="平均热扩散率:" Width="120" FontWeight="SemiBold"/>
-                        <TextBox Text="{Binding AverageThermalDiffusivity, StringFormat=F5}" Width="100" IsReadOnly="True"/>
-                        <TextBlock Text="×10⁻⁶ m²/s" Margin="6,0,30,0"/>
+                        <TextBox Text="{Binding AverageThermalDiffusivity, StringFormat=F10}" Width="100" IsReadOnly="True"/>
+                        <TextBlock Text="m²/s" Margin="6,0,30,0"/>
                         <TextBlock Text="平均体积热容:" Width="100" FontWeight="SemiBold"/>
                         <TextBox Text="{Binding AverageVolumetricHeatCapacity, StringFormat=F2}" Width="100" IsReadOnly="True"/>
                         <TextBlock Text="kJ/m³·K" Margin="6,0,0,0"/>