diff --git a/v2rayN/v2rayN.Desktop/Views/OptionSettingWindow.axaml.cs b/v2rayN/v2rayN.Desktop/Views/OptionSettingWindow.axaml.cs
index 35a85bd9..4d4333f1 100644
--- a/v2rayN/v2rayN.Desktop/Views/OptionSettingWindow.axaml.cs
+++ b/v2rayN/v2rayN.Desktop/Views/OptionSettingWindow.axaml.cs
@@ -1,4 +1,4 @@
-using Avalonia.Controls;
+using Avalonia.Controls;
 using Avalonia.ReactiveUI;
 using ReactiveUI;
 using System.Reactive.Disposables;
@@ -135,6 +135,7 @@ namespace v2rayN.Desktop.Views
                 this.Bind(ViewModel, vm => vm.Hide2TrayWhenClose, v => v.togHide2TrayWhenClose.IsChecked).DisposeWith(disposables);
                 this.Bind(ViewModel, vm => vm.DoubleClick2Activate, v => v.togDoubleClick2Activate.IsChecked).DisposeWith(disposables);
                 this.Bind(ViewModel, vm => vm.AutoUpdateInterval, v => v.txtautoUpdateInterval.Text).DisposeWith(disposables);
+                this.Bind(ViewModel, vm => vm.AutoUpdateCoreInterval, v => v.txtautoUpdateCoreInterval.Text).DisposeWith(disposables);
                 this.Bind(ViewModel, vm => vm.CurrentFontFamily, v => v.cmbcurrentFontFamily.SelectedValue).DisposeWith(disposables);
                 this.Bind(ViewModel, vm => vm.SpeedTestTimeout, v => v.cmbSpeedTestTimeout.SelectedValue).DisposeWith(disposables);
                 this.Bind(ViewModel, vm => vm.SpeedTestUrl, v => v.cmbSpeedTestUrl.SelectedValue).DisposeWith(disposables);
@@ -245,4 +246,4 @@ namespace v2rayN.Desktop.Views
             ViewModel.destOverride = clbdestOverride.SelectedItems.Cast<string>().ToList();
         }
     }
-}
\ No newline at end of file
+}