diff --git a/v2rayN/v2rayN.Desktop/Views/OptionSettingWindow.axaml b/v2rayN/v2rayN.Desktop/Views/OptionSettingWindow.axaml
index 90062951..36e87190 100644
--- a/v2rayN/v2rayN.Desktop/Views/OptionSettingWindow.axaml
+++ b/v2rayN/v2rayN.Desktop/Views/OptionSettingWindow.axaml
@@ -592,7 +592,8 @@
                             Grid.Row="20"
                             Grid.Column="1"
                             Width="300"
-                            Margin="{StaticResource Margin4}" />
+                            Margin="{StaticResource Margin4}"
+                            IsEditable="True" />
 
                         <TextBlock
                             Grid.Row="21"
diff --git a/v2rayN/v2rayN.Desktop/Views/OptionSettingWindow.axaml.cs b/v2rayN/v2rayN.Desktop/Views/OptionSettingWindow.axaml.cs
index 11208b4a..6d601883 100644
--- a/v2rayN/v2rayN.Desktop/Views/OptionSettingWindow.axaml.cs
+++ b/v2rayN/v2rayN.Desktop/Views/OptionSettingWindow.axaml.cs
@@ -101,7 +101,7 @@ public partial class OptionSettingWindow : WindowBase<OptionSettingViewModel>
             this.Bind(ViewModel, vm => vm.GeoFileSourceUrl, v => v.cmbGetFilesSourceUrl.SelectedValue).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.SrsFileSourceUrl, v => v.cmbSrsFilesSourceUrl.SelectedValue).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.RoutingRulesSourceUrl, v => v.cmbRoutingRulesSourceUrl.SelectedValue).DisposeWith(disposables);
-            this.Bind(ViewModel, vm => vm.IPAPIUrl, v => v.cmbIPAPIUrl.SelectedValue).DisposeWith(disposables);
+            this.Bind(ViewModel, vm => vm.IPAPIUrl, v => v.cmbIPAPIUrl.Text).DisposeWith(disposables);
 
             this.Bind(ViewModel, vm => vm.notProxyLocalAddress, v => v.tognotProxyLocalAddress.IsChecked).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.systemProxyAdvancedProtocol, v => v.cmbsystemProxyAdvancedProtocol.SelectedValue).DisposeWith(disposables);