diff --git a/src/components/SensorChart.xaml b/src/components/SensorChart.xaml
index 3f0dd86..bd07de2 100644
--- a/src/components/SensorChart.xaml
+++ b/src/components/SensorChart.xaml
@@ -3,212 +3,215 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
              xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
-             mc:Ignorable="d" d:DesignWidth="200" Height="482">
-    <Border Background="White" BorderBrush="#CCCCCC" BorderThickness="1">
-        <Grid Margin="0,0,0,-1">
-            <Grid.RowDefinitions>
-                <RowDefinition Height="30"/>
-                <RowDefinition Height="*"/>
-            </Grid.RowDefinitions>
+             mc:Ignorable="d" d:DesignWidth="200" >
+        <Border Background="White" BorderBrush="#CCCCCC" BorderThickness="1">
+            <Grid Margin="0,0,0,-1">
+                <Grid.RowDefinitions>
+                    <RowDefinition Height="30"/>
+                    <RowDefinition Height="*"/>
+                </Grid.RowDefinitions>
 
-            <!-- 标题栏 -->
-            <TextBlock Grid.Row="0" 
-                      Text="{Binding SensorName, RelativeSource={RelativeSource AncestorType=UserControl}}" 
-                      HorizontalAlignment="Center" 
-                      VerticalAlignment="Center" 
-                      FontWeight="Bold" 
-                      Background="{Binding HeaderBackground, RelativeSource={RelativeSource AncestorType=UserControl}}"/>
+                <!-- 标题栏 -->
+                <TextBlock Grid.Row="0" 
+                          Text="{Binding SensorName, RelativeSource={RelativeSource AncestorType=UserControl}}" 
+                          HorizontalAlignment="Center" 
+                          VerticalAlignment="Center" 
+                          FontWeight="Bold" 
+                          Background="{Binding HeaderBackground, RelativeSource={RelativeSource AncestorType=UserControl}}"/>
 
-            <!-- 图表区域 -->
-            <Canvas Grid.Row="1" Background="White" Margin="20,20,20,3" Name="ChartCanvas">
-                <!-- 柱状图容器边框 - 左边界线 -->
-                <Line X1="40" Y1="20" X2="40" Y2="420" Stroke="Black" StrokeThickness="1"/>
-                <!-- 右边界线 -->
-                <Line X1="120" Y1="20" X2="120" Y2="420" Stroke="Black" StrokeThickness="1"/>
-                <!-- 顶部边界线 -->
-                <Line X1="40" Y1="20" X2="120" Y2="20" Stroke="Black" StrokeThickness="1"/>
-                <!-- 底部边界线 -->
-                <Line X1="40" Y1="420" X2="120" Y2="420" Stroke="Black" StrokeThickness="1"/>
+                <!-- 图表区域 -->
+            <Viewbox Grid.Row="1" Stretch="Uniform">
 
-                <!-- 大刻度线和标签 - 从40到-40，每5个单位一个刻度 -->
-                <!-- 40 -->
-                <Line X1="120" Y1="20" X2="130" Y2="20" Stroke="Black" StrokeThickness="1"/>
-                <TextBlock Canvas.Left="135" Canvas.Top="15" Text="40" FontSize="10"/>
+                <Canvas Width="160" Height="440"  Grid.Row="1" Background="White" Margin="20,20,20,3" Name="ChartCanvas">
+                    <!-- 柱状图容器边框 - 左边界线 -->
+                    <Line X1="40" Y1="20" X2="40" Y2="420" Stroke="Black" StrokeThickness="1"/>
+                    <!-- 右边界线 -->
+                    <Line X1="120" Y1="20" X2="120" Y2="420" Stroke="Black" StrokeThickness="1"/>
+                    <!-- 顶部边界线 -->
+                    <Line X1="40" Y1="20" X2="120" Y2="20" Stroke="Black" StrokeThickness="1"/>
+                    <!-- 底部边界线 -->
+                    <Line X1="40" Y1="420" X2="120" Y2="420" Stroke="Black" StrokeThickness="1"/>
 
-                <!-- 35 -->
-                <Line X1="40" Y1="45" X2="130" Y2="45" Stroke="Black" StrokeThickness="1"/>
-                <TextBlock Canvas.Left="135" Canvas.Top="40" Text="35" FontSize="10"/>
+                    <!-- 大刻度线和标签 - 从40到-40，每5个单位一个刻度 -->
+                    <!-- 40 -->
+                    <Line X1="120" Y1="20" X2="130" Y2="20" Stroke="Black" StrokeThickness="1"/>
+                    <TextBlock Canvas.Left="135" Canvas.Top="15" Text="40" FontSize="10"/>
 
-                <!-- 30 -->
-                <Line X1="40" Y1="70" X2="130" Y2="70" Stroke="Black" StrokeThickness="1"/>
-                <TextBlock Canvas.Left="135" Canvas.Top="65" Text="30" FontSize="10"/>
+                    <!-- 35 -->
+                    <Line X1="40" Y1="45" X2="130" Y2="45" Stroke="Black" StrokeThickness="1"/>
+                    <TextBlock Canvas.Left="135" Canvas.Top="40" Text="35" FontSize="10"/>
 
-                <!-- 25 -->
-                <Line X1="40" Y1="95" X2="130" Y2="95" Stroke="Black" StrokeThickness="1"/>
-                <TextBlock Canvas.Left="135" Canvas.Top="90" Text="25" FontSize="10"/>
+                    <!-- 30 -->
+                    <Line X1="40" Y1="70" X2="130" Y2="70" Stroke="Black" StrokeThickness="1"/>
+                    <TextBlock Canvas.Left="135" Canvas.Top="65" Text="30" FontSize="10"/>
 
-                <!-- 20 -->
-                <Line X1="40" Y1="120" X2="130" Y2="120" Stroke="Black" StrokeThickness="1"/>
-                <TextBlock Canvas.Left="135" Canvas.Top="115" Text="20" FontSize="10"/>
+                    <!-- 25 -->
+                    <Line X1="40" Y1="95" X2="130" Y2="95" Stroke="Black" StrokeThickness="1"/>
+                    <TextBlock Canvas.Left="135" Canvas.Top="90" Text="25" FontSize="10"/>
 
-                <!-- 15 -->
-                <Line X1="40" Y1="145" X2="130" Y2="145" Stroke="Black" StrokeThickness="1"/>
-                <TextBlock Canvas.Left="135" Canvas.Top="140" Text="15" FontSize="10"/>
+                    <!-- 20 -->
+                    <Line X1="40" Y1="120" X2="130" Y2="120" Stroke="Black" StrokeThickness="1"/>
+                    <TextBlock Canvas.Left="135" Canvas.Top="115" Text="20" FontSize="10"/>
 
-                <!-- 10 -->
-                <Line X1="40" Y1="170" X2="130" Y2="170" Stroke="Black" StrokeThickness="1"/>
-                <TextBlock Canvas.Left="135" Canvas.Top="165" Text="10" FontSize="10"/>
+                    <!-- 15 -->
+                    <Line X1="40" Y1="145" X2="130" Y2="145" Stroke="Black" StrokeThickness="1"/>
+                    <TextBlock Canvas.Left="135" Canvas.Top="140" Text="15" FontSize="10"/>
 
-                <!-- 5 -->
-                <Line X1="40" Y1="195" X2="130" Y2="195" Stroke="Black" StrokeThickness="1"/>
-                <TextBlock Canvas.Left="135" Canvas.Top="190" Text="5" FontSize="10"/>
+                    <!-- 10 -->
+                    <Line X1="40" Y1="170" X2="130" Y2="170" Stroke="Black" StrokeThickness="1"/>
+                    <TextBlock Canvas.Left="135" Canvas.Top="165" Text="10" FontSize="10"/>
 
-                <!-- 0 -->
-                <Line X1="40" Y1="220" X2="130" Y2="220" Stroke="Black" StrokeThickness="1"/>
-                <TextBlock Canvas.Left="135" Canvas.Top="215" Text="0" FontSize="10"/>
+                    <!-- 5 -->
+                    <Line X1="40" Y1="195" X2="130" Y2="195" Stroke="Black" StrokeThickness="1"/>
+                    <TextBlock Canvas.Left="135" Canvas.Top="190" Text="5" FontSize="10"/>
 
-                <!-- -5 -->
-                <Line X1="40" Y1="245" X2="130" Y2="245" Stroke="Black" StrokeThickness="1"/>
-                <TextBlock Canvas.Left="135" Canvas.Top="240" Text="-5" FontSize="10"/>
+                    <!-- 0 -->
+                    <Line X1="40" Y1="220" X2="130" Y2="220" Stroke="Black" StrokeThickness="1"/>
+                    <TextBlock Canvas.Left="135" Canvas.Top="215" Text="0" FontSize="10"/>
 
-                <!-- -10 -->
-                <Line X1="40" Y1="270" X2="130" Y2="270" Stroke="Black" StrokeThickness="1"/>
-                <TextBlock Canvas.Left="135" Canvas.Top="265" Text="-10" FontSize="10"/>
+                    <!-- -5 -->
+                    <Line X1="40" Y1="245" X2="130" Y2="245" Stroke="Black" StrokeThickness="1"/>
+                    <TextBlock Canvas.Left="135" Canvas.Top="240" Text="-5" FontSize="10"/>
 
-                <!-- -15 -->
-                <Line X1="40" Y1="295" X2="130" Y2="295" Stroke="Black" StrokeThickness="1"/>
-                <TextBlock Canvas.Left="135" Canvas.Top="290" Text="-15" FontSize="10"/>
+                    <!-- -10 -->
+                    <Line X1="40" Y1="270" X2="130" Y2="270" Stroke="Black" StrokeThickness="1"/>
+                    <TextBlock Canvas.Left="135" Canvas.Top="265" Text="-10" FontSize="10"/>
 
-                <!-- -20 -->
-                <Line X1="40" Y1="320" X2="130" Y2="320" Stroke="Black" StrokeThickness="1"/>
-                <TextBlock Canvas.Left="135" Canvas.Top="315" Text="-20" FontSize="10"/>
+                    <!-- -15 -->
+                    <Line X1="40" Y1="295" X2="130" Y2="295" Stroke="Black" StrokeThickness="1"/>
+                    <TextBlock Canvas.Left="135" Canvas.Top="290" Text="-15" FontSize="10"/>
 
-                <!-- -25 -->
-                <Line X1="40" Y1="345" X2="130" Y2="345" Stroke="Black" StrokeThickness="1"/>
-                <TextBlock Canvas.Left="135" Canvas.Top="340" Text="-25" FontSize="10"/>
+                    <!-- -20 -->
+                    <Line X1="40" Y1="320" X2="130" Y2="320" Stroke="Black" StrokeThickness="1"/>
+                    <TextBlock Canvas.Left="135" Canvas.Top="315" Text="-20" FontSize="10"/>
 
-                <!-- -30 -->
-                <Line X1="40" Y1="370" X2="130" Y2="370" Stroke="Black" StrokeThickness="1"/>
-                <TextBlock Canvas.Left="135" Canvas.Top="365" Text="-30" FontSize="10"/>
+                    <!-- -25 -->
+                    <Line X1="40" Y1="345" X2="130" Y2="345" Stroke="Black" StrokeThickness="1"/>
+                    <TextBlock Canvas.Left="135" Canvas.Top="340" Text="-25" FontSize="10"/>
 
-                <!-- -35 -->
-                <Line X1="40" Y1="395" X2="130" Y2="395" Stroke="Black" StrokeThickness="1"/>
-                <TextBlock Canvas.Left="135" Canvas.Top="390" Text="-35" FontSize="10"/>
+                    <!-- -30 -->
+                    <Line X1="40" Y1="370" X2="130" Y2="370" Stroke="Black" StrokeThickness="1"/>
+                    <TextBlock Canvas.Left="135" Canvas.Top="365" Text="-30" FontSize="10"/>
 
-                <!-- -40 -->
-                <Line X1="120" Y1="420" X2="130" Y2="420" Stroke="Black" StrokeThickness="1"/>
-                <TextBlock Canvas.Left="135" Canvas.Top="415" Text="-40" FontSize="10"/>
+                    <!-- -35 -->
+                    <Line X1="40" Y1="395" X2="130" Y2="395" Stroke="Black" StrokeThickness="1"/>
+                    <TextBlock Canvas.Left="135" Canvas.Top="390" Text="-35" FontSize="10"/>
 
-                <!-- 小刻度线 - 每个大刻度之间3个小刻度 -->
-                <!-- 40到35之间的小刻度 -->
-                <Line X1="40" Y1="26.25" X2="125" Y2="26.25" Stroke="Black" StrokeThickness="0.5"/>
-                <Line X1="40" Y1="32.5" X2="125" Y2="32.5" Stroke="Black" StrokeThickness="0.5"/>
-                <Line X1="40" Y1="38.75" X2="125" Y2="38.75" Stroke="Black" StrokeThickness="0.5"/>
+                    <!-- -40 -->
+                    <Line X1="120" Y1="420" X2="130" Y2="420" Stroke="Black" StrokeThickness="1"/>
+                    <TextBlock Canvas.Left="135" Canvas.Top="415" Text="-40" FontSize="10"/>
 
-                <!-- 35到30之间的小刻度 -->
-                <Line X1="40" Y1="51.25" X2="125" Y2="51.25" Stroke="Black" StrokeThickness="0.5"/>
-                <Line X1="40" Y1="57.5" X2="125" Y2="57.5" Stroke="Black" StrokeThickness="0.5"/>
-                <Line X1="40" Y1="63.75" X2="125" Y2="63.75" Stroke="Black" StrokeThickness="0.5"/>
+                    <!-- 小刻度线 - 每个大刻度之间3个小刻度 -->
+                    <!-- 40到35之间的小刻度 -->
+                    <Line X1="40" Y1="26.25" X2="125" Y2="26.25" Stroke="Black" StrokeThickness="0.5"/>
+                    <Line X1="40" Y1="32.5" X2="125" Y2="32.5" Stroke="Black" StrokeThickness="0.5"/>
+                    <Line X1="40" Y1="38.75" X2="125" Y2="38.75" Stroke="Black" StrokeThickness="0.5"/>
 
-                <!-- 30到25之间的小刻度 -->
-                <Line X1="40" Y1="76.25" X2="125" Y2="76.25" Stroke="Black" StrokeThickness="0.5"/>
-                <Line X1="40" Y1="82.5" X2="125" Y2="82.5" Stroke="Black" StrokeThickness="0.5"/>
-                <Line X1="40" Y1="88.75" X2="125" Y2="88.75" Stroke="Black" StrokeThickness="0.5"/>
+                    <!-- 35到30之间的小刻度 -->
+                    <Line X1="40" Y1="51.25" X2="125" Y2="51.25" Stroke="Black" StrokeThickness="0.5"/>
+                    <Line X1="40" Y1="57.5" X2="125" Y2="57.5" Stroke="Black" StrokeThickness="0.5"/>
+                    <Line X1="40" Y1="63.75" X2="125" Y2="63.75" Stroke="Black" StrokeThickness="0.5"/>
 
-                <!-- 25到20之间的小刻度 -->
-                <Line X1="40" Y1="101.25" X2="125" Y2="101.25" Stroke="Black" StrokeThickness="0.5"/>
-                <Line X1="40" Y1="107.5" X2="125" Y2="107.5" Stroke="Black" StrokeThickness="0.5"/>
-                <Line X1="40" Y1="113.75" X2="125" Y2="113.75" Stroke="Black" StrokeThickness="0.5"/>
+                    <!-- 30到25之间的小刻度 -->
+                    <Line X1="40" Y1="76.25" X2="125" Y2="76.25" Stroke="Black" StrokeThickness="0.5"/>
+                    <Line X1="40" Y1="82.5" X2="125" Y2="82.5" Stroke="Black" StrokeThickness="0.5"/>
+                    <Line X1="40" Y1="88.75" X2="125" Y2="88.75" Stroke="Black" StrokeThickness="0.5"/>
 
-                <!-- 20到15之间的小刻度 -->
-                <Line X1="40" Y1="126.25" X2="125" Y2="126.25" Stroke="Black" StrokeThickness="0.5"/>
-                <Line X1="40" Y1="132.5" X2="125" Y2="132.5" Stroke="Black" StrokeThickness="0.5"/>
-                <Line X1="40" Y1="138.75" X2="125" Y2="138.75" Stroke="Black" StrokeThickness="0.5"/>
+                    <!-- 25到20之间的小刻度 -->
+                    <Line X1="40" Y1="101.25" X2="125" Y2="101.25" Stroke="Black" StrokeThickness="0.5"/>
+                    <Line X1="40" Y1="107.5" X2="125" Y2="107.5" Stroke="Black" StrokeThickness="0.5"/>
+                    <Line X1="40" Y1="113.75" X2="125" Y2="113.75" Stroke="Black" StrokeThickness="0.5"/>
 
-                <!-- 15到10之间的小刻度 -->
-                <Line X1="40" Y1="151.25" X2="125" Y2="151.25" Stroke="Black" StrokeThickness="0.5"/>
-                <Line X1="40" Y1="157.5" X2="125" Y2="157.5" Stroke="Black" StrokeThickness="0.5"/>
-                <Line X1="40" Y1="163.75" X2="125" Y2="163.75" Stroke="Black" StrokeThickness="0.5"/>
+                    <!-- 20到15之间的小刻度 -->
+                    <Line X1="40" Y1="126.25" X2="125" Y2="126.25" Stroke="Black" StrokeThickness="0.5"/>
+                    <Line X1="40" Y1="132.5" X2="125" Y2="132.5" Stroke="Black" StrokeThickness="0.5"/>
+                    <Line X1="40" Y1="138.75" X2="125" Y2="138.75" Stroke="Black" StrokeThickness="0.5"/>
 
-                <!-- 10到5之间的小刻度 -->
-                <Line X1="40" Y1="176.25" X2="125" Y2="176.25" Stroke="Black" StrokeThickness="0.5"/>
-                <Line X1="40" Y1="182.5" X2="125" Y2="182.5" Stroke="Black" StrokeThickness="0.5"/>
-                <Line X1="40" Y1="188.75" X2="125" Y2="188.75" Stroke="Black" StrokeThickness="0.5"/>
+                    <!-- 15到10之间的小刻度 -->
+                    <Line X1="40" Y1="151.25" X2="125" Y2="151.25" Stroke="Black" StrokeThickness="0.5"/>
+                    <Line X1="40" Y1="157.5" X2="125" Y2="157.5" Stroke="Black" StrokeThickness="0.5"/>
+                    <Line X1="40" Y1="163.75" X2="125" Y2="163.75" Stroke="Black" StrokeThickness="0.5"/>
 
-                <!-- 5到0之间的小刻度 -->
-                <Line X1="40" Y1="201.25" X2="125" Y2="201.25" Stroke="Black" StrokeThickness="0.5"/>
-                <Line X1="40" Y1="207.5" X2="125" Y2="207.5" Stroke="Black" StrokeThickness="0.5"/>
-                <Line X1="40" Y1="213.75" X2="125" Y2="213.75" Stroke="Black" StrokeThickness="0.5"/>
+                    <!-- 10到5之间的小刻度 -->
+                    <Line X1="40" Y1="176.25" X2="125" Y2="176.25" Stroke="Black" StrokeThickness="0.5"/>
+                    <Line X1="40" Y1="182.5" X2="125" Y2="182.5" Stroke="Black" StrokeThickness="0.5"/>
+                    <Line X1="40" Y1="188.75" X2="125" Y2="188.75" Stroke="Black" StrokeThickness="0.5"/>
 
-                <!-- 0到-5之间的小刻度 -->
-                <Line X1="40" Y1="226.25" X2="125" Y2="226.25" Stroke="Black" StrokeThickness="0.5"/>
-                <Line X1="40" Y1="232.5" X2="125" Y2="232.5" Stroke="Black" StrokeThickness="0.5"/>
-                <Line X1="40" Y1="238.75" X2="125" Y2="238.75" Stroke="Black" StrokeThickness="0.5"/>
+                    <!-- 5到0之间的小刻度 -->
+                    <Line X1="40" Y1="201.25" X2="125" Y2="201.25" Stroke="Black" StrokeThickness="0.5"/>
+                    <Line X1="40" Y1="207.5" X2="125" Y2="207.5" Stroke="Black" StrokeThickness="0.5"/>
+                    <Line X1="40" Y1="213.75" X2="125" Y2="213.75" Stroke="Black" StrokeThickness="0.5"/>
 
-                <!-- -5到-10之间的小刻度 -->
-                <Line X1="40" Y1="251.25" X2="125" Y2="251.25" Stroke="Black" StrokeThickness="0.5"/>
-                <Line X1="40" Y1="257.5" X2="125" Y2="257.5" Stroke="Black" StrokeThickness="0.5"/>
-                <Line X1="40" Y1="263.75" X2="125" Y2="263.75" Stroke="Black" StrokeThickness="0.5"/>
+                    <!-- 0到-5之间的小刻度 -->
+                    <Line X1="40" Y1="226.25" X2="125" Y2="226.25" Stroke="Black" StrokeThickness="0.5"/>
+                    <Line X1="40" Y1="232.5" X2="125" Y2="232.5" Stroke="Black" StrokeThickness="0.5"/>
+                    <Line X1="40" Y1="238.75" X2="125" Y2="238.75" Stroke="Black" StrokeThickness="0.5"/>
 
-                <!-- -10到-15之间的小刻度 -->
-                <Line X1="40" Y1="276.25" X2="125" Y2="276.25" Stroke="Black" StrokeThickness="0.5"/>
-                <Line X1="40" Y1="282.5" X2="125" Y2="282.5" Stroke="Black" StrokeThickness="0.5"/>
-                <Line X1="40" Y1="288.75" X2="125" Y2="288.75" Stroke="Black" StrokeThickness="0.5"/>
+                    <!-- -5到-10之间的小刻度 -->
+                    <Line X1="40" Y1="251.25" X2="125" Y2="251.25" Stroke="Black" StrokeThickness="0.5"/>
+                    <Line X1="40" Y1="257.5" X2="125" Y2="257.5" Stroke="Black" StrokeThickness="0.5"/>
+                    <Line X1="40" Y1="263.75" X2="125" Y2="263.75" Stroke="Black" StrokeThickness="0.5"/>
 
-                <!-- -15到-20之间的小刻度 -->
-                <Line X1="40" Y1="301.25" X2="125" Y2="301.25" Stroke="Black" StrokeThickness="0.5"/>
-                <Line X1="40" Y1="307.5" X2="125" Y2="307.5" Stroke="Black" StrokeThickness="0.5"/>
-                <Line X1="40" Y1="313.75" X2="125" Y2="313.75" Stroke="Black" StrokeThickness="0.5"/>
+                    <!-- -10到-15之间的小刻度 -->
+                    <Line X1="40" Y1="276.25" X2="125" Y2="276.25" Stroke="Black" StrokeThickness="0.5"/>
+                    <Line X1="40" Y1="282.5" X2="125" Y2="282.5" Stroke="Black" StrokeThickness="0.5"/>
+                    <Line X1="40" Y1="288.75" X2="125" Y2="288.75" Stroke="Black" StrokeThickness="0.5"/>
 
-                <!-- -20到-25之间的小刻度 -->
-                <Line X1="40" Y1="326.25" X2="125" Y2="326.25" Stroke="Black" StrokeThickness="0.5"/>
-                <Line X1="40" Y1="332.5" X2="125" Y2="332.5" Stroke="Black" StrokeThickness="0.5"/>
-                <Line X1="40" Y1="338.75" X2="125" Y2="338.75" Stroke="Black" StrokeThickness="0.5"/>
+                    <!-- -15到-20之间的小刻度 -->
+                    <Line X1="40" Y1="301.25" X2="125" Y2="301.25" Stroke="Black" StrokeThickness="0.5"/>
+                    <Line X1="40" Y1="307.5" X2="125" Y2="307.5" Stroke="Black" StrokeThickness="0.5"/>
+                    <Line X1="40" Y1="313.75" X2="125" Y2="313.75" Stroke="Black" StrokeThickness="0.5"/>
 
-                <!-- -25到-30之间的小刻度 -->
-                <Line X1="40" Y1="351.25" X2="125" Y2="351.25" Stroke="Black" StrokeThickness="0.5"/>
-                <Line X1="40" Y1="357.5" X2="125" Y2="357.5" Stroke="Black" StrokeThickness="0.5"/>
-                <Line X1="40" Y1="363.75" X2="125" Y2="363.75" Stroke="Black" StrokeThickness="0.5"/>
+                    <!-- -20到-25之间的小刻度 -->
+                    <Line X1="40" Y1="326.25" X2="125" Y2="326.25" Stroke="Black" StrokeThickness="0.5"/>
+                    <Line X1="40" Y1="332.5" X2="125" Y2="332.5" Stroke="Black" StrokeThickness="0.5"/>
+                    <Line X1="40" Y1="338.75" X2="125" Y2="338.75" Stroke="Black" StrokeThickness="0.5"/>
 
-                <!-- -30到-35之间的小刻度 -->
-                <Line X1="40" Y1="376.25" X2="125" Y2="376.25" Stroke="Black" StrokeThickness="0.5"/>
-                <Line X1="40" Y1="382.5" X2="125" Y2="382.5" Stroke="Black" StrokeThickness="0.5"/>
-                <Line X1="40" Y1="388.75" X2="125" Y2="388.75" Stroke="Black" StrokeThickness="0.5"/>
+                    <!-- -25到-30之间的小刻度 -->
+                    <Line X1="40" Y1="351.25" X2="125" Y2="351.25" Stroke="Black" StrokeThickness="0.5"/>
+                    <Line X1="40" Y1="357.5" X2="125" Y2="357.5" Stroke="Black" StrokeThickness="0.5"/>
+                    <Line X1="40" Y1="363.75" X2="125" Y2="363.75" Stroke="Black" StrokeThickness="0.5"/>
 
-                <!-- -35到-40之间的小刻度 -->
-                <Line X1="40" Y1="401.25" X2="125" Y2="401.25" Stroke="Black" StrokeThickness="0.5"/>
-                <Line X1="40" Y1="407.5" X2="125" Y2="407.5" Stroke="Black" StrokeThickness="0.5"/>
-                <Line X1="40" Y1="413.75" X2="125" Y2="413.75" Stroke="Black" StrokeThickness="0.5"/>
+                    <!-- -30到-35之间的小刻度 -->
+                    <Line X1="40" Y1="376.25" X2="125" Y2="376.25" Stroke="Black" StrokeThickness="0.5"/>
+                    <Line X1="40" Y1="382.5" X2="125" Y2="382.5" Stroke="Black" StrokeThickness="0.5"/>
+                    <Line X1="40" Y1="388.75" X2="125" Y2="388.75" Stroke="Black" StrokeThickness="0.5"/>
 
-                <!-- 柱状图数据 - 紧贴左右边界 -->
-                <Rectangle Name="DataBar" 
-                          Canvas.Left="40" 
-                          Canvas.Top="{Binding BarTop, RelativeSource={RelativeSource AncestorType=UserControl}}" 
-                          Width="80" 
-                          Height="{Binding BarHeight, RelativeSource={RelativeSource AncestorType=UserControl}}" 
-                          Fill="Blue" 
-                          Opacity="0.7"/>
+                    <!-- -35到-40之间的小刻度 -->
+                    <Line X1="40" Y1="401.25" X2="125" Y2="401.25" Stroke="Black" StrokeThickness="0.5"/>
+                    <Line X1="40" Y1="407.5" X2="125" Y2="407.5" Stroke="Black" StrokeThickness="0.5"/>
+                    <Line X1="40" Y1="413.75" X2="125" Y2="413.75" Stroke="Black" StrokeThickness="0.5"/>
 
-                <!-- 红色标记线 -->
-                <ItemsControl Name="RedLines" ItemsSource="{Binding RedLinePositions, RelativeSource={RelativeSource AncestorType=UserControl}}">
-                    <ItemsControl.ItemsPanel>
-                        <ItemsPanelTemplate>
-                            <Canvas/>
-                        </ItemsPanelTemplate>
-                    </ItemsControl.ItemsPanel>
-                    <ItemsControl.ItemTemplate>
-                        <DataTemplate>
-                            <Line X1="40" Y1="{Binding}" X2="120" Y2="{Binding}" Stroke="Red" StrokeThickness="2"/>
-                        </DataTemplate>
-                    </ItemsControl.ItemTemplate>
-                    <ItemsControl.ItemContainerStyle>
-                        <Style TargetType="ContentPresenter">
-                            <Setter Property="Canvas.Top" Value="0"/>
-                            <Setter Property="Canvas.Left" Value="0"/>
-                        </Style>
-                    </ItemsControl.ItemContainerStyle>
-                </ItemsControl>
-            </Canvas>
+                    <!-- 柱状图数据 - 紧贴左右边界 -->
+                    <Rectangle Name="DataBar" 
+                              Canvas.Left="40" 
+                              Canvas.Top="{Binding BarTop, RelativeSource={RelativeSource AncestorType=UserControl}}" 
+                              Width="80" 
+                              Height="{Binding BarHeight, RelativeSource={RelativeSource AncestorType=UserControl}}" 
+                              Fill="Blue" 
+                              Opacity="0.7"/>
+
+                    <!-- 红色标记线 -->
+                    <ItemsControl Name="RedLines" ItemsSource="{Binding RedLinePositions, RelativeSource={RelativeSource AncestorType=UserControl}}">
+                        <ItemsControl.ItemsPanel>
+                            <ItemsPanelTemplate>
+                                <Canvas/>
+                            </ItemsPanelTemplate>
+                        </ItemsControl.ItemsPanel>
+                        <ItemsControl.ItemTemplate>
+                            <DataTemplate>
+                                <Line X1="40" Y1="{Binding}" X2="120" Y2="{Binding}" Stroke="Red" StrokeThickness="2"/>
+                            </DataTemplate>
+                        </ItemsControl.ItemTemplate>
+                        <ItemsControl.ItemContainerStyle>
+                            <Style TargetType="ContentPresenter">
+                                <Setter Property="Canvas.Top" Value="0"/>
+                                <Setter Property="Canvas.Left" Value="0"/>
+                            </Style>
+                        </ItemsControl.ItemContainerStyle>
+                    </ItemsControl>
+                </Canvas>
+            </Viewbox>
         </Grid>
-    </Border>
+        </Border>
 </UserControl>
\ No newline at end of file