diff --git a/Correlator/ViewModels/MainWindowViewModel.cs b/Correlator/ViewModels/MainWindowViewModel.cs
index bec9b09..62ec37f 100644
--- a/Correlator/ViewModels/MainWindowViewModel.cs
+++ b/Correlator/ViewModels/MainWindowViewModel.cs
@@ -917,6 +917,10 @@
                             PipeLength = configModel.PipeLength;
                             LowFrequency = configModel.MinFrequency;
                             HighFrequency = configModel.MaxFrequency;
+                            
+                            //计算声速
+                            var soundVelocity = _soundSpeedDataService.GetSoundVelocity(_materialName, Convert.ToInt32(_pipeDiameter));
+                            SoundSpeed = soundVelocity.ToString();
                         }
 
                         //导入数据完成，可以计算数据

diff --git a/Correlator/ViewModels/MainWindowViewModel.cs b/Correlator/ViewModels/MainWindowViewModel.cs
index bec9b09..62ec37f 100644
--- a/Correlator/ViewModels/MainWindowViewModel.cs
+++ b/Correlator/ViewModels/MainWindowViewModel.cs
@@ -917,6 +917,10 @@
                             PipeLength = configModel.PipeLength;
                             LowFrequency = configModel.MinFrequency;
                             HighFrequency = configModel.MaxFrequency;
+                            
+                            //计算声速
+                            var soundVelocity = _soundSpeedDataService.GetSoundVelocity(_materialName, Convert.ToInt32(_pipeDiameter));
+                            SoundSpeed = soundVelocity.ToString();
                         }
 
                         //导入数据完成，可以计算数据
diff --git a/Correlator/Views/MainWindow.xaml b/Correlator/Views/MainWindow.xaml
index 353b067..067a413 100644
--- a/Correlator/Views/MainWindow.xaml
+++ b/Correlator/Views/MainWindow.xaml
@@ -653,7 +653,6 @@
                                         Foreground="{StaticResource MainThemeColor}"
                                         Text="{Binding ElapseTime, StringFormat={}{0}}" />
 
-
                                     <StackPanel
                                         Grid.Column="2"
                                         Margin="10"
@@ -672,6 +671,7 @@
                                                 </Grid.RowDefinitions>
 
                                                 <TextBlock
+                                                    Grid.Row="0"
                                                     Margin="0,0,10,0"
                                                     HorizontalAlignment="Right"
                                                     FontSize="28"

diff --git a/Correlator/ViewModels/MainWindowViewModel.cs b/Correlator/ViewModels/MainWindowViewModel.cs
index bec9b09..62ec37f 100644
--- a/Correlator/ViewModels/MainWindowViewModel.cs
+++ b/Correlator/ViewModels/MainWindowViewModel.cs
@@ -917,6 +917,10 @@
                             PipeLength = configModel.PipeLength;
                             LowFrequency = configModel.MinFrequency;
                             HighFrequency = configModel.MaxFrequency;
+                            
+                            //计算声速
+                            var soundVelocity = _soundSpeedDataService.GetSoundVelocity(_materialName, Convert.ToInt32(_pipeDiameter));
+                            SoundSpeed = soundVelocity.ToString();
                         }
 
                         //导入数据完成，可以计算数据
diff --git a/Correlator/Views/MainWindow.xaml b/Correlator/Views/MainWindow.xaml
index 353b067..067a413 100644
--- a/Correlator/Views/MainWindow.xaml
+++ b/Correlator/Views/MainWindow.xaml
@@ -653,7 +653,6 @@
                                         Foreground="{StaticResource MainThemeColor}"
                                         Text="{Binding ElapseTime, StringFormat={}{0}}" />
 
-
                                     <StackPanel
                                         Grid.Column="2"
                                         Margin="10"
@@ -672,6 +671,7 @@
                                                 </Grid.RowDefinitions>
 
                                                 <TextBlock
+                                                    Grid.Row="0"
                                                     Margin="0,0,10,0"
                                                     HorizontalAlignment="Right"
                                                     FontSize="28"
diff --git a/Correlator/Views/MainWindow.xaml.cs b/Correlator/Views/MainWindow.xaml.cs
index 0c81717..347f826 100644
--- a/Correlator/Views/MainWindow.xaml.cs
+++ b/Correlator/Views/MainWindow.xaml.cs
@@ -34,6 +34,10 @@
                 var xDoubles = ((MWNumericArray)array[5]).GetArray();
                 //柱状图纵坐标集合
                 var yDoubles = ((MWNumericArray)array[4]).GetArray();
+                
+                //
+                // scottPlot.AddTooltip(label: "Special Point", x: xDoubles[17], y: yDoubles[17]);
+                
                 Application.Current.Dispatcher.Invoke(delegate
                 {
                     //点如果较少，可以直接AddBar，但是超过一千个点，不能直接AddBar，否则Bar颜色会被边框覆盖从而呈现黑色