diff --git a/Correlator/Dialog/AudioVisualizeDialog.xaml b/Correlator/Dialog/AudioVisualizeDialog.xaml
index c4d9b4b..f6f0dc9 100644
--- a/Correlator/Dialog/AudioVisualizeDialog.xaml
+++ b/Correlator/Dialog/AudioVisualizeDialog.xaml
@@ -37,11 +37,25 @@
                 <ColumnDefinition />
             </Grid.ColumnDefinitions>
 
-            <TextBlock
+            <Grid
+                Grid.Column="0"
                 Margin="30,0"
-                VerticalAlignment="Center"
-                FontSize="18"
-                Text="音频波形图" />
+                VerticalAlignment="Center">
+                <Grid.RowDefinitions>
+                    <RowDefinition />
+                    <RowDefinition />
+                </Grid.RowDefinitions>
+
+                <TextBlock
+                    Grid.Row="0"
+                    FontSize="18"
+                    Text="音频波形图" />
+
+                <TextBlock
+                    Grid.Row="1"
+                    HorizontalAlignment="Center"
+                    Text="（时域）" />
+            </Grid>
 
             <Grid
                 x:Name="SampleWavePanel"
@@ -58,12 +72,25 @@
                 <ColumnDefinition />
             </Grid.ColumnDefinitions>
 
-            <TextBlock
+            <Grid
                 Grid.Column="0"
                 Margin="30,0"
-                VerticalAlignment="Center"
-                FontSize="18"
-                Text="音频频谱图" />
+                VerticalAlignment="Center">
+                <Grid.RowDefinitions>
+                    <RowDefinition />
+                    <RowDefinition />
+                </Grid.RowDefinitions>
+
+                <TextBlock
+                    Grid.Row="0"
+                    FontSize="18"
+                    Text="音频频谱图" />
+
+                <TextBlock
+                    Grid.Row="1"
+                    HorizontalAlignment="Center"
+                    Text="（频域）" />
+            </Grid>
 
             <Grid
                 Grid.Column="1"
@@ -112,7 +139,7 @@
                 ToolTip="重新播放">
                 <TextBlock
                     FontFamily="/Correlator;component/Fonts/#iconfont"
-                    FontSize="22"
+                    FontSize="26"
                     Text="&#xe637;" />
             </Button>
         </Grid>

diff --git a/Correlator/Dialog/AudioVisualizeDialog.xaml b/Correlator/Dialog/AudioVisualizeDialog.xaml
index c4d9b4b..f6f0dc9 100644
--- a/Correlator/Dialog/AudioVisualizeDialog.xaml
+++ b/Correlator/Dialog/AudioVisualizeDialog.xaml
@@ -37,11 +37,25 @@
                 <ColumnDefinition />
             </Grid.ColumnDefinitions>
 
-            <TextBlock
+            <Grid
+                Grid.Column="0"
                 Margin="30,0"
-                VerticalAlignment="Center"
-                FontSize="18"
-                Text="音频波形图" />
+                VerticalAlignment="Center">
+                <Grid.RowDefinitions>
+                    <RowDefinition />
+                    <RowDefinition />
+                </Grid.RowDefinitions>
+
+                <TextBlock
+                    Grid.Row="0"
+                    FontSize="18"
+                    Text="音频波形图" />
+
+                <TextBlock
+                    Grid.Row="1"
+                    HorizontalAlignment="Center"
+                    Text="（时域）" />
+            </Grid>
 
             <Grid
                 x:Name="SampleWavePanel"
@@ -58,12 +72,25 @@
                 <ColumnDefinition />
             </Grid.ColumnDefinitions>
 
-            <TextBlock
+            <Grid
                 Grid.Column="0"
                 Margin="30,0"
-                VerticalAlignment="Center"
-                FontSize="18"
-                Text="音频频谱图" />
+                VerticalAlignment="Center">
+                <Grid.RowDefinitions>
+                    <RowDefinition />
+                    <RowDefinition />
+                </Grid.RowDefinitions>
+
+                <TextBlock
+                    Grid.Row="0"
+                    FontSize="18"
+                    Text="音频频谱图" />
+
+                <TextBlock
+                    Grid.Row="1"
+                    HorizontalAlignment="Center"
+                    Text="（频域）" />
+            </Grid>
 
             <Grid
                 Grid.Column="1"
@@ -112,7 +139,7 @@
                 ToolTip="重新播放">
                 <TextBlock
                     FontFamily="/Correlator;component/Fonts/#iconfont"
-                    FontSize="22"
+                    FontSize="26"
                     Text="&#xe637;" />
             </Button>
         </Grid>
diff --git a/Correlator/Dialog/SoundSampleRateDialog.xaml b/Correlator/Dialog/SoundSampleRateDialog.xaml
index 3212a06..4656215 100644
--- a/Correlator/Dialog/SoundSampleRateDialog.xaml
+++ b/Correlator/Dialog/SoundSampleRateDialog.xaml
@@ -68,7 +68,7 @@
                     Header="更新时间"
                     IsReadOnly="True" />
                 <DataGridTemplateColumn
-                    Width="100"
+                    Width="70"
                     CanUserResize="False"
                     Header="操作">
                     <DataGridTemplateColumn.CellTemplate>

diff --git a/Correlator/Dialog/AudioVisualizeDialog.xaml b/Correlator/Dialog/AudioVisualizeDialog.xaml
index c4d9b4b..f6f0dc9 100644
--- a/Correlator/Dialog/AudioVisualizeDialog.xaml
+++ b/Correlator/Dialog/AudioVisualizeDialog.xaml
@@ -37,11 +37,25 @@
                 <ColumnDefinition />
             </Grid.ColumnDefinitions>
 
-            <TextBlock
+            <Grid
+                Grid.Column="0"
                 Margin="30,0"
-                VerticalAlignment="Center"
-                FontSize="18"
-                Text="音频波形图" />
+                VerticalAlignment="Center">
+                <Grid.RowDefinitions>
+                    <RowDefinition />
+                    <RowDefinition />
+                </Grid.RowDefinitions>
+
+                <TextBlock
+                    Grid.Row="0"
+                    FontSize="18"
+                    Text="音频波形图" />
+
+                <TextBlock
+                    Grid.Row="1"
+                    HorizontalAlignment="Center"
+                    Text="（时域）" />
+            </Grid>
 
             <Grid
                 x:Name="SampleWavePanel"
@@ -58,12 +72,25 @@
                 <ColumnDefinition />
             </Grid.ColumnDefinitions>
 
-            <TextBlock
+            <Grid
                 Grid.Column="0"
                 Margin="30,0"
-                VerticalAlignment="Center"
-                FontSize="18"
-                Text="音频频谱图" />
+                VerticalAlignment="Center">
+                <Grid.RowDefinitions>
+                    <RowDefinition />
+                    <RowDefinition />
+                </Grid.RowDefinitions>
+
+                <TextBlock
+                    Grid.Row="0"
+                    FontSize="18"
+                    Text="音频频谱图" />
+
+                <TextBlock
+                    Grid.Row="1"
+                    HorizontalAlignment="Center"
+                    Text="（频域）" />
+            </Grid>
 
             <Grid
                 Grid.Column="1"
@@ -112,7 +139,7 @@
                 ToolTip="重新播放">
                 <TextBlock
                     FontFamily="/Correlator;component/Fonts/#iconfont"
-                    FontSize="22"
+                    FontSize="26"
                     Text="&#xe637;" />
             </Button>
         </Grid>
diff --git a/Correlator/Dialog/SoundSampleRateDialog.xaml b/Correlator/Dialog/SoundSampleRateDialog.xaml
index 3212a06..4656215 100644
--- a/Correlator/Dialog/SoundSampleRateDialog.xaml
+++ b/Correlator/Dialog/SoundSampleRateDialog.xaml
@@ -68,7 +68,7 @@
                     Header="更新时间"
                     IsReadOnly="True" />
                 <DataGridTemplateColumn
-                    Width="100"
+                    Width="70"
                     CanUserResize="False"
                     Header="操作">
                     <DataGridTemplateColumn.CellTemplate>
diff --git a/Correlator/Dialog/SoundSpeedDialog.xaml b/Correlator/Dialog/SoundSpeedDialog.xaml
index fa438a3..b27b5dd 100644
--- a/Correlator/Dialog/SoundSpeedDialog.xaml
+++ b/Correlator/Dialog/SoundSpeedDialog.xaml
@@ -69,13 +69,14 @@
                     IsReadOnly="True" />
 
                 <DataGridTemplateColumn
-                    Width="175"
+                    Width="125"
                     CanUserResize="False"
                     Header="操作">
                     <DataGridTemplateColumn.CellTemplate>
                         <DataTemplate>
                             <StackPanel Orientation="Horizontal">
                                 <Button
+                                    Margin="10,0"
                                     BorderThickness="0"
                                     Command="{Binding DataContext.DeleteSpeedCommand, ElementName=TargetDataGrid}"
                                     Style="{StaticResource ButtonDanger}">
@@ -87,21 +88,9 @@
                                 </Button>
 
                                 <Button
-                                    Margin="15,0"
-                                    BorderThickness="0"
-                                    Command="{Binding DataContext.AddSpeedCommand, ElementName=TargetDataGrid}"
-                                    Style="{StaticResource ButtonSuccess}">
-                                    <TextBlock
-                                        VerticalAlignment="Center"
-                                        FontFamily="/Correlator;component/Fonts/#iconfont"
-                                        FontSize="20"
-                                        Text="&#xe6c9;" />
-                                </Button>
-
-                                <Button
                                     BorderThickness="0"
                                     Command="{Binding DataContext.EditSpeedCommand, ElementName=TargetDataGrid}"
-                                    Style="{StaticResource ButtonInfo}">
+                                    Style="{StaticResource ButtonSuccess}">
                                     <TextBlock
                                         VerticalAlignment="Center"
                                         FontFamily="/Correlator;component/Fonts/#iconfont"
@@ -114,5 +103,25 @@
                 </DataGridTemplateColumn>
             </DataGrid.Columns>
         </DataGrid>
+
+        <Button
+            Width="50"
+            Height="50"
+            Margin="10"
+            VerticalAlignment="Bottom"
+            hc:BorderElement.CornerRadius="25"
+            Command="{Binding AddSpeedCommand}"
+            Content="&#xe6c9;"
+            FontFamily="/Correlator;component/Fonts/#iconfont"
+            FontSize="28"
+            Style="{StaticResource ButtonPrimary}">
+            <Button.Effect>
+                <DropShadowEffect
+                    BlurRadius="5"
+                    Direction="315"
+                    ShadowDepth="5"
+                    Color="LightGray" />
+            </Button.Effect>
+        </Button>
     </Grid>
 </UserControl>

diff --git a/Correlator/Dialog/AudioVisualizeDialog.xaml b/Correlator/Dialog/AudioVisualizeDialog.xaml
index c4d9b4b..f6f0dc9 100644
--- a/Correlator/Dialog/AudioVisualizeDialog.xaml
+++ b/Correlator/Dialog/AudioVisualizeDialog.xaml
@@ -37,11 +37,25 @@
                 <ColumnDefinition />
             </Grid.ColumnDefinitions>
 
-            <TextBlock
+            <Grid
+                Grid.Column="0"
                 Margin="30,0"
-                VerticalAlignment="Center"
-                FontSize="18"
-                Text="音频波形图" />
+                VerticalAlignment="Center">
+                <Grid.RowDefinitions>
+                    <RowDefinition />
+                    <RowDefinition />
+                </Grid.RowDefinitions>
+
+                <TextBlock
+                    Grid.Row="0"
+                    FontSize="18"
+                    Text="音频波形图" />
+
+                <TextBlock
+                    Grid.Row="1"
+                    HorizontalAlignment="Center"
+                    Text="（时域）" />
+            </Grid>
 
             <Grid
                 x:Name="SampleWavePanel"
@@ -58,12 +72,25 @@
                 <ColumnDefinition />
             </Grid.ColumnDefinitions>
 
-            <TextBlock
+            <Grid
                 Grid.Column="0"
                 Margin="30,0"
-                VerticalAlignment="Center"
-                FontSize="18"
-                Text="音频频谱图" />
+                VerticalAlignment="Center">
+                <Grid.RowDefinitions>
+                    <RowDefinition />
+                    <RowDefinition />
+                </Grid.RowDefinitions>
+
+                <TextBlock
+                    Grid.Row="0"
+                    FontSize="18"
+                    Text="音频频谱图" />
+
+                <TextBlock
+                    Grid.Row="1"
+                    HorizontalAlignment="Center"
+                    Text="（频域）" />
+            </Grid>
 
             <Grid
                 Grid.Column="1"
@@ -112,7 +139,7 @@
                 ToolTip="重新播放">
                 <TextBlock
                     FontFamily="/Correlator;component/Fonts/#iconfont"
-                    FontSize="22"
+                    FontSize="26"
                     Text="&#xe637;" />
             </Button>
         </Grid>
diff --git a/Correlator/Dialog/SoundSampleRateDialog.xaml b/Correlator/Dialog/SoundSampleRateDialog.xaml
index 3212a06..4656215 100644
--- a/Correlator/Dialog/SoundSampleRateDialog.xaml
+++ b/Correlator/Dialog/SoundSampleRateDialog.xaml
@@ -68,7 +68,7 @@
                     Header="更新时间"
                     IsReadOnly="True" />
                 <DataGridTemplateColumn
-                    Width="100"
+                    Width="70"
                     CanUserResize="False"
                     Header="操作">
                     <DataGridTemplateColumn.CellTemplate>
diff --git a/Correlator/Dialog/SoundSpeedDialog.xaml b/Correlator/Dialog/SoundSpeedDialog.xaml
index fa438a3..b27b5dd 100644
--- a/Correlator/Dialog/SoundSpeedDialog.xaml
+++ b/Correlator/Dialog/SoundSpeedDialog.xaml
@@ -69,13 +69,14 @@
                     IsReadOnly="True" />
 
                 <DataGridTemplateColumn
-                    Width="175"
+                    Width="125"
                     CanUserResize="False"
                     Header="操作">
                     <DataGridTemplateColumn.CellTemplate>
                         <DataTemplate>
                             <StackPanel Orientation="Horizontal">
                                 <Button
+                                    Margin="10,0"
                                     BorderThickness="0"
                                     Command="{Binding DataContext.DeleteSpeedCommand, ElementName=TargetDataGrid}"
                                     Style="{StaticResource ButtonDanger}">
@@ -87,21 +88,9 @@
                                 </Button>
 
                                 <Button
-                                    Margin="15,0"
-                                    BorderThickness="0"
-                                    Command="{Binding DataContext.AddSpeedCommand, ElementName=TargetDataGrid}"
-                                    Style="{StaticResource ButtonSuccess}">
-                                    <TextBlock
-                                        VerticalAlignment="Center"
-                                        FontFamily="/Correlator;component/Fonts/#iconfont"
-                                        FontSize="20"
-                                        Text="&#xe6c9;" />
-                                </Button>
-
-                                <Button
                                     BorderThickness="0"
                                     Command="{Binding DataContext.EditSpeedCommand, ElementName=TargetDataGrid}"
-                                    Style="{StaticResource ButtonInfo}">
+                                    Style="{StaticResource ButtonSuccess}">
                                     <TextBlock
                                         VerticalAlignment="Center"
                                         FontFamily="/Correlator;component/Fonts/#iconfont"
@@ -114,5 +103,25 @@
                 </DataGridTemplateColumn>
             </DataGrid.Columns>
         </DataGrid>
+
+        <Button
+            Width="50"
+            Height="50"
+            Margin="10"
+            VerticalAlignment="Bottom"
+            hc:BorderElement.CornerRadius="25"
+            Command="{Binding AddSpeedCommand}"
+            Content="&#xe6c9;"
+            FontFamily="/Correlator;component/Fonts/#iconfont"
+            FontSize="28"
+            Style="{StaticResource ButtonPrimary}">
+            <Button.Effect>
+                <DropShadowEffect
+                    BlurRadius="5"
+                    Direction="315"
+                    ShadowDepth="5"
+                    Color="LightGray" />
+            </Button.Effect>
+        </Button>
     </Grid>
 </UserControl>
diff --git a/Correlator/Views/StartupWindow.xaml b/Correlator/Views/StartupWindow.xaml
index 24e223b..b5d4f72 100644
--- a/Correlator/Views/StartupWindow.xaml
+++ b/Correlator/Views/StartupWindow.xaml
@@ -39,7 +39,7 @@
             <TextBlock
                 Margin="0,20,0,0"
                 HorizontalAlignment="Center"
-                FontFamily="仿宋"
+                FontFamily="宋体"
                 FontSize="38"
                 FontWeight="Bold"
                 Text="中国航天科工二院二〇三所" />