diff --git a/DentistryHandpieces/MainWindow.xaml b/DentistryHandpieces/MainWindow.xaml
index f44a4c2..63a02c9 100644
--- a/DentistryHandpieces/MainWindow.xaml
+++ b/DentistryHandpieces/MainWindow.xaml
@@ -875,6 +875,7 @@
                             <ColumnDefinition Width="*" />
                             <ColumnDefinition Width="*" />
                             <ColumnDefinition Width="*" />
+                            <ColumnDefinition Width="*" />
                         </Grid.ColumnDefinitions>
                         <Button Content="前进"
                             Tag="SpeedTorqueForward"
@@ -898,16 +899,20 @@
                             LostTouchCapture="ManualMotionButton_LostTouchCapture"
                             Margin="8,0,8,0" />
                         <Button Grid.Column="2"
+                            Content="通气阀"
+                            Command="{Binding VentValveCommand}"
+                            Margin="8,0,8,0" />
+                        <Button Grid.Column="3"
                             Content="启动"
                             Command="{Binding StartSpeedTorqueCommand}"
                             Style="{StaticResource StartButtonStyle}"
                             Margin="8,0,8,0" />
-                        <Button Grid.Column="3"
+                        <Button Grid.Column="4"
                             Content="停止"
                             Command="{Binding StopSpeedTorqueCommand}"
                             Style="{StaticResource StopButtonStyle}"
                             Margin="8,0,8,0" />
-                        <Button Grid.Column="4"
+                        <Button Grid.Column="5"
                             Content="{Binding SpeedTorqueResetButtonText}"
                             Command="{Binding ResetSpeedTorqueCommand}"
                             Margin="8,0,0,0" />
diff --git a/DentistryHandpieces/MainWindowViewModel.cs b/DentistryHandpieces/MainWindowViewModel.cs
index 4628d9c..16f6bb6 100644
--- a/DentistryHandpieces/MainWindowViewModel.cs
+++ b/DentistryHandpieces/MainWindowViewModel.cs
@@ -28,6 +28,7 @@ public sealed class MainWindowViewModel : ObservableObject
     private const ushort SpeedTorqueForwardCoil = 1;
     private const ushort AxialBackwardCoil = 2;
     private const ushort AxialForwardCoil = 3;
+    private const ushort VentValveCoil = 6;
     private const ushort AxialForceModeCoil = 30;
     private const ushort AxialStartCoil = 70;
     private const ushort AxialStopCoil = 73;
@@ -253,6 +254,7 @@ public sealed class MainWindowViewModel : ObservableObject
         SelectAxialJumpForceSetpointModeCommand = new AsyncRelayCommand(SelectAxialJumpForceSetpointModeAsync);
         ForwardSpeedTorqueCommand = new AsyncRelayCommand(ForwardSpeedTorqueAsync);
         BackwardSpeedTorqueCommand = new AsyncRelayCommand(BackwardSpeedTorqueAsync);
+        VentValveCommand = new AsyncRelayCommand(TriggerVentValveAsync);
         StartSpeedTorqueCommand = new AsyncRelayCommand(StartSpeedTorqueAsync);
         StopSpeedTorqueCommand = new AsyncRelayCommand(StopSpeedTorqueAsync);
         ResetSpeedTorqueCommand = new AsyncRelayCommand(ResetSpeedTorqueAsync);
@@ -309,6 +311,8 @@ public sealed class MainWindowViewModel : ObservableObject
 
     public IAsyncRelayCommand BackwardSpeedTorqueCommand { get; }
 
+    public IAsyncRelayCommand VentValveCommand { get; }
+
     public IAsyncRelayCommand StartSpeedTorqueCommand { get; }
 
     public IAsyncRelayCommand StopSpeedTorqueCommand { get; }
@@ -2011,6 +2015,14 @@ public sealed class MainWindowViewModel : ObservableObject
         await MoveSpeedTorqueDisplacementAsync("状态：后退");
     }
 
+    private async Task TriggerVentValveAsync()
+    {
+        if (await PulsePlcAsync(VentValveCoil, "通气阀"))
+        {
+            StatusText = $"通气阀已触发，M{VentValveCoil}脉冲完成。";
+        }
+    }
+
     private async Task SaveNoLoadSpeedSettingAsync()
     {
         if (!TryReadNonNegative(NoLoadSpeedSettingInput, "空载转速设置", out double setting, out string error))