diff --git a/v2rayN/ServiceLib/ViewModels/OptionSettingViewModel.cs b/v2rayN/ServiceLib/ViewModels/OptionSettingViewModel.cs
index 040d12ed..b99339d6 100644
--- a/v2rayN/ServiceLib/ViewModels/OptionSettingViewModel.cs
+++ b/v2rayN/ServiceLib/ViewModels/OptionSettingViewModel.cs
@@ -100,6 +100,7 @@ public class OptionSettingViewModel : MyReactiveObject
     [Reactive] public string CoreType4 { get; set; }
     [Reactive] public string CoreType5 { get; set; }
     [Reactive] public string CoreType6 { get; set; }
+    [Reactive] public string CoreType9 { get; set; }
 
     #endregion CoreType
 
@@ -259,6 +260,10 @@ public class OptionSettingViewModel : MyReactiveObject
                 case 6:
                     CoreType6 = type;
                     break;
+
+                case 9:
+                    CoreType9 = type;
+                    break;
             }
         });
         await Task.CompletedTask;
@@ -407,6 +412,10 @@ public class OptionSettingViewModel : MyReactiveObject
                     type = CoreType6;
                     break;
 
+                case 9:
+                    type = CoreType9;
+                    break;
+
                 default:
                     continue;
             }
diff --git a/v2rayN/v2rayN.Desktop/Views/OptionSettingWindow.axaml b/v2rayN/v2rayN.Desktop/Views/OptionSettingWindow.axaml
index 47df97d2..3fd6f585 100644
--- a/v2rayN/v2rayN.Desktop/Views/OptionSettingWindow.axaml
+++ b/v2rayN/v2rayN.Desktop/Views/OptionSettingWindow.axaml
@@ -891,6 +891,19 @@
                         Grid.Column="1"
                         Width="200"
                         Margin="{StaticResource Margin4}" />
+
+                    <TextBlock
+                        Grid.Row="7"
+                        Grid.Column="0"
+                        Margin="{StaticResource Margin4}"
+                        VerticalAlignment="Center"
+                        Text="Wireguard" />
+                    <ComboBox
+                        x:Name="cmbCoreType9"
+                        Grid.Row="7"
+                        Grid.Column="1"
+                        Width="200"
+                        Margin="{StaticResource Margin4}" />
                 </Grid>
             </TabItem>
         </TabControl>
diff --git a/v2rayN/v2rayN.Desktop/Views/OptionSettingWindow.axaml.cs b/v2rayN/v2rayN.Desktop/Views/OptionSettingWindow.axaml.cs
index ea8ba8a7..58aceaf1 100644
--- a/v2rayN/v2rayN.Desktop/Views/OptionSettingWindow.axaml.cs
+++ b/v2rayN/v2rayN.Desktop/Views/OptionSettingWindow.axaml.cs
@@ -64,6 +64,7 @@ public partial class OptionSettingWindow : ReactiveWindow<OptionSettingViewModel
             cmbCoreType4.Items.Add(it);
             cmbCoreType5.Items.Add(it);
             cmbCoreType6.Items.Add(it);
+            cmbCoreType9.Items.Add(it);
         });
 
         for (var i = 2; i <= 8; i++)
@@ -160,6 +161,7 @@ public partial class OptionSettingWindow : ReactiveWindow<OptionSettingViewModel
             this.Bind(ViewModel, vm => vm.CoreType4, v => v.cmbCoreType4.SelectedValue).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.CoreType5, v => v.cmbCoreType5.SelectedValue).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.CoreType6, v => v.cmbCoreType6.SelectedValue).DisposeWith(disposables);
+            this.Bind(ViewModel, vm => vm.CoreType9, v => v.cmbCoreType9.SelectedValue).DisposeWith(disposables);
 
             this.BindCommand(ViewModel, vm => vm.SaveCmd, v => v.btnSave).DisposeWith(disposables);
         });
diff --git a/v2rayN/v2rayN/Views/OptionSettingWindow.xaml b/v2rayN/v2rayN/Views/OptionSettingWindow.xaml
index a5d7aeee..374dce35 100644
--- a/v2rayN/v2rayN/Views/OptionSettingWindow.xaml
+++ b/v2rayN/v2rayN/Views/OptionSettingWindow.xaml
@@ -1098,6 +1098,7 @@
                         <RowDefinition Height="Auto" />
                         <RowDefinition Height="Auto" />
                         <RowDefinition Height="Auto" />
+                        <RowDefinition Height="Auto" />
                     </Grid.RowDefinitions>
                     <Grid.ColumnDefinitions>
                         <ColumnDefinition Width="Auto" />
@@ -1192,6 +1193,21 @@
                         Width="200"
                         Margin="{StaticResource Margin8}"
                         Style="{StaticResource DefComboBox}" />
+
+                    <TextBlock
+                        Grid.Row="7"
+                        Grid.Column="0"
+                        Margin="{StaticResource Margin8}"
+                        VerticalAlignment="Center"
+                        Style="{StaticResource ToolbarTextBlock}"
+                        Text="Wireguard" />
+                    <ComboBox
+                        x:Name="cmbCoreType9"
+                        Grid.Row="7"
+                        Grid.Column="1"
+                        Width="200"
+                        Margin="{StaticResource Margin8}"
+                        Style="{StaticResource DefComboBox}" />
                 </Grid>
             </TabItem>
         </TabControl>
diff --git a/v2rayN/v2rayN/Views/OptionSettingWindow.xaml.cs b/v2rayN/v2rayN/Views/OptionSettingWindow.xaml.cs
index 3bb433bc..b0b5440c 100644
--- a/v2rayN/v2rayN/Views/OptionSettingWindow.xaml.cs
+++ b/v2rayN/v2rayN/Views/OptionSettingWindow.xaml.cs
@@ -66,6 +66,7 @@ public partial class OptionSettingWindow
             cmbCoreType4.Items.Add(it);
             cmbCoreType5.Items.Add(it);
             cmbCoreType6.Items.Add(it);
+            cmbCoreType9.Items.Add(it);
         });
 
         for (var i = 2; i <= 8; i++)
@@ -178,6 +179,7 @@ public partial class OptionSettingWindow
             this.Bind(ViewModel, vm => vm.CoreType4, v => v.cmbCoreType4.Text).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.CoreType5, v => v.cmbCoreType5.Text).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.CoreType6, v => v.cmbCoreType6.Text).DisposeWith(disposables);
+            this.Bind(ViewModel, vm => vm.CoreType9, v => v.cmbCoreType9.Text).DisposeWith(disposables);
 
             this.BindCommand(ViewModel, vm => vm.SaveCmd, v => v.btnSave).DisposeWith(disposables);
         });