diff --git a/SSPCTester.UI/Views/SettingsManualView.xaml b/SSPCTester.UI/Views/SettingsManualView.xaml
index e29e7a1..2b2e72b 100644
--- a/SSPCTester.UI/Views/SettingsManualView.xaml
+++ b/SSPCTester.UI/Views/SettingsManualView.xaml
@@ -10,7 +10,7 @@
         <Grid.RowDefinitions>
             <RowDefinition Height="34" />
             <RowDefinition Height="252" />
-            <RowDefinition Height="320" />
+            <RowDefinition Height="430" />
             <RowDefinition Height="90" />
             <RowDefinition Height="Auto" />
         </Grid.RowDefinitions>
@@ -171,13 +171,15 @@
             <Grid>
                 <Grid.RowDefinitions>
                     <RowDefinition Height="Auto" />
-                    <RowDefinition Height="32" />
+                    <RowDefinition Height="40" />
+                    <RowDefinition Height="28" />
                     <RowDefinition Height="24" />
                     <RowDefinition Height="*" />
+                    <RowDefinition Height="Auto" />
                 </Grid.RowDefinitions>
                 <TextBlock Grid.Row="0" Style="{StaticResource CardTitle}" Margin="0,0,0,6" Text="采集参数和通道角色" />
 
-                <Grid Grid.Row="1" Margin="0,0,0,3">
+                <Grid Grid.Row="1" Margin="0,0,0,8" VerticalAlignment="Center">
                     <Grid.ColumnDefinitions>
                         <ColumnDefinition Width="70" />
                         <ColumnDefinition Width="90" />
@@ -206,10 +208,30 @@
 
                 <TextBlock Grid.Row="2" Text="{Binding DaqValidationMessage}" Foreground="{StaticResource TextSecondaryBrush}" VerticalAlignment="Center" />
 
-                <ItemsControl Grid.Row="3" ItemsSource="{Binding DaqChannelEditors}">
+                <Grid Grid.Row="3" Margin="0,0,0,4">
+                    <Grid.ColumnDefinitions>
+                        <ColumnDefinition Width="52" />
+                        <ColumnDefinition Width="64" />
+                        <ColumnDefinition Width="170" />
+                        <ColumnDefinition Width="170" />
+                        <ColumnDefinition Width="120" />
+                        <ColumnDefinition Width="120" />
+                        <ColumnDefinition Width="110" />
+                        <ColumnDefinition Width="*" />
+                    </Grid.ColumnDefinitions>
+                    <TextBlock Text="通道" Foreground="{StaticResource TextMutedBrush}" FontSize="{StaticResource FsSmall}" VerticalAlignment="Center" />
+                    <TextBlock Grid.Column="1" Text="启用" Foreground="{StaticResource TextMutedBrush}" FontSize="{StaticResource FsSmall}" VerticalAlignment="Center" />
+                    <TextBlock Grid.Column="2" Text="角色" Foreground="{StaticResource TextMutedBrush}" FontSize="{StaticResource FsSmall}" VerticalAlignment="Center" />
+                    <TextBlock Grid.Column="3" Margin="8,0,0,0" Text="名称" Foreground="{StaticResource TextMutedBrush}" FontSize="{StaticResource FsSmall}" VerticalAlignment="Center" />
+                    <TextBlock Grid.Column="4" Margin="8,0,0,0" Text="Scale" Foreground="{StaticResource TextMutedBrush}" FontSize="{StaticResource FsSmall}" VerticalAlignment="Center" />
+                    <TextBlock Grid.Column="5" Margin="8,0,0,0" Text="Offset" Foreground="{StaticResource TextMutedBrush}" FontSize="{StaticResource FsSmall}" VerticalAlignment="Center" />
+                    <TextBlock Grid.Column="6" Margin="10,0,0,0" Text="标定" Foreground="{StaticResource TextMutedBrush}" FontSize="{StaticResource FsSmall}" VerticalAlignment="Center" />
+                </Grid>
+
+                <ItemsControl Grid.Row="4" ItemsSource="{Binding DaqChannelEditors}">
                     <ItemsControl.ItemTemplate>
                         <DataTemplate>
-                            <Grid Height="30" Margin="0">
+                            <Grid Height="34" Margin="0,0,0,2">
                                 <Grid.ColumnDefinitions>
                                     <ColumnDefinition Width="52" />
                                     <ColumnDefinition Width="64" />
@@ -232,6 +254,12 @@
                         </DataTemplate>
                     </ItemsControl.ItemTemplate>
                 </ItemsControl>
+
+                <TextBlock Grid.Row="5"
+                           Margin="0,10,0,0"
+                           Foreground="{StaticResource TextSecondaryBrush}"
+                           TextWrapping="Wrap"
+                           Text="Scale 和 Offset 用于把采集卡输入电压换算为工程值：工程值 = 采集卡电压 × Scale + Offset。若前端有分压或传感器，请按实际比例填写 Scale，并用 Offset 修正零点偏移；曲线测试使用的 OutputVoltage 通道必须勾选已标定。" />
             </Grid>
         </Border>