diff --git a/v2rayN/v2rayN.Desktop/Views/DNSSettingWindow.axaml b/v2rayN/v2rayN.Desktop/Views/DNSSettingWindow.axaml
index 90700673..23ebe9fb 100644
--- a/v2rayN/v2rayN.Desktop/Views/DNSSettingWindow.axaml
+++ b/v2rayN/v2rayN.Desktop/Views/DNSSettingWindow.axaml
@@ -2,6 +2,7 @@
     x:Class="v2rayN.Desktop.Views.DNSSettingWindow"
     xmlns="https://github.com/avaloniaui"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:ctrls="clr-namespace:v2rayN.Desktop.Controls"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
     xmlns:resx="clr-namespace:ServiceLib.Resx;assembly=ServiceLib"
@@ -56,12 +57,13 @@
                             Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
                             Text="{x:Static resx:ResUI.TbDomesticDNS}" />
-                        <ComboBox
+                        <ctrls:AutoCompleteBox
                             x:Name="cmbDirectDNS"
                             Grid.Row="1"
                             Grid.Column="1"
                             Width="200"
-                            Margin="{StaticResource Margin4}" />
+                            Margin="{StaticResource Margin4}"
+                            Text="{Binding DirectDNS, Mode=TwoWay}" />
 
                         <TextBlock
                             Grid.Row="2"
@@ -69,12 +71,13 @@
                             Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
                             Text="{x:Static resx:ResUI.TbRemoteDNS}" />
-                        <ComboBox
+                        <ctrls:AutoCompleteBox
                             x:Name="cmbRemoteDNS"
                             Grid.Row="2"
                             Grid.Column="1"
                             Width="200"
-                            Margin="{StaticResource Margin4}" />
+                            Margin="{StaticResource Margin4}"
+                            Text="{Binding RemoteDNS, Mode=TwoWay}" />
 
                         <TextBlock
                             Grid.Row="3"
@@ -82,12 +85,13 @@
                             Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
                             Text="{x:Static resx:ResUI.TbSBOutboundsResolverDNS}" />
-                        <ComboBox
+                        <ctrls:AutoCompleteBox
                             x:Name="cmbSBResolverDNS"
                             Grid.Row="3"
                             Grid.Column="1"
                             Width="200"
-                            Margin="{StaticResource Margin4}" />
+                            Margin="{StaticResource Margin4}"
+                            Text="{Binding SingboxOutboundsResolveDNS, Mode=TwoWay}" />
                         <TextBlock
                             Grid.Row="3"
                             Grid.Column="2"
@@ -101,12 +105,13 @@
                             Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
                             Text="{x:Static resx:ResUI.TbSBDoHResolverServer}" />
-                        <ComboBox
+                        <ctrls:AutoCompleteBox
                             x:Name="cmbSBFinalResolverDNS"
                             Grid.Row="4"
                             Grid.Column="1"
                             Width="200"
-                            Margin="{StaticResource Margin4}" />
+                            Margin="{StaticResource Margin4}"
+                            Text="{Binding SingboxFinalResolveDNS, Mode=TwoWay}" />
                         <TextBlock
                             Grid.Row="4"
                             Grid.Column="2"
@@ -250,12 +255,13 @@
                             Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
                             Text="{x:Static resx:ResUI.TbValidateDirectExpectedIPs}" />
-                        <ComboBox
+                        <ctrls:AutoCompleteBox
                             x:Name="cmbDirectExpectedIPs"
                             Grid.Row="4"
                             Grid.Column="1"
                             Width="200"
-                            Margin="{StaticResource Margin4}" />
+                            Margin="{StaticResource Margin4}"
+                            Text="{Binding DirectExpectedIPs, Mode=TwoWay}" />
                         <TextBlock
                             Grid.Row="4"
                             Grid.Column="2"
@@ -351,10 +357,11 @@
                                 Margin="{StaticResource Margin4}"
                                 VerticalAlignment="Center"
                                 Text="{x:Static resx:ResUI.TbSettingsDomainDNSAddress}" />
-                            <ComboBox
+                            <ctrls:AutoCompleteBox
                                 x:Name="cmbdomainDNSAddressCompatible"
                                 Width="150"
-                                Margin="{StaticResource Margin4}" />
+                                Margin="{StaticResource Margin4}"
+                                Text="{Binding DomainDNSAddressCompatible, Mode=TwoWay}" />
                         </StackPanel>
                     </WrapPanel>
 
@@ -423,10 +430,11 @@
                                 Margin="{StaticResource Margin4}"
                                 VerticalAlignment="Center"
                                 Text="{x:Static resx:ResUI.TbSettingsDomainDNSAddress}" />
-                            <ComboBox
+                            <ctrls:AutoCompleteBox
                                 x:Name="cmbdomainDNSAddress2Compatible"
                                 Width="150"
-                                Margin="{StaticResource Margin4}" />
+                                Margin="{StaticResource Margin4}"
+                                Text="{Binding DomainDNSAddress2Compatible, Mode=TwoWay}" />
                         </StackPanel>
                     </WrapPanel>
 
diff --git a/v2rayN/v2rayN.Desktop/Views/DNSSettingWindow.axaml.cs b/v2rayN/v2rayN.Desktop/Views/DNSSettingWindow.axaml.cs
index 95bfc8cc..7b239ff4 100644
--- a/v2rayN/v2rayN.Desktop/Views/DNSSettingWindow.axaml.cs
+++ b/v2rayN/v2rayN.Desktop/Views/DNSSettingWindow.axaml.cs
@@ -38,15 +38,15 @@ public partial class DNSSettingWindow : WindowBase<DNSSettingViewModel>
             this.Bind(ViewModel, vm => vm.AddCommonHosts, v => v.togAddCommonHosts.IsChecked).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.FakeIP, v => v.togFakeIP.IsChecked).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.BlockBindingQuery, v => v.togBlockBindingQuery.IsChecked).DisposeWith(disposables);
-            this.Bind(ViewModel, vm => vm.DirectDNS, v => v.cmbDirectDNS.SelectedItem).DisposeWith(disposables);
-            this.Bind(ViewModel, vm => vm.RemoteDNS, v => v.cmbRemoteDNS.SelectedItem).DisposeWith(disposables);
-            this.Bind(ViewModel, vm => vm.SingboxOutboundsResolveDNS, v => v.cmbSBResolverDNS.SelectedItem).DisposeWith(disposables);
-            this.Bind(ViewModel, vm => vm.SingboxFinalResolveDNS, v => v.cmbSBFinalResolverDNS.SelectedItem).DisposeWith(disposables);
+            //this.Bind(ViewModel, vm => vm.DirectDNS, v => v.cmbDirectDNS.Text).DisposeWith(disposables);
+            //this.Bind(ViewModel, vm => vm.RemoteDNS, v => v.cmbRemoteDNS.Text).DisposeWith(disposables);
+            //this.Bind(ViewModel, vm => vm.SingboxOutboundsResolveDNS, v => v.cmbSBResolverDNS.Text).DisposeWith(disposables);
+            //this.Bind(ViewModel, vm => vm.SingboxFinalResolveDNS, v => v.cmbSBFinalResolverDNS.Text).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.RayStrategy4Freedom, v => v.cmbRayFreedomDNSStrategy.SelectedItem).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.SingboxStrategy4Direct, v => v.cmbSBDirectDNSStrategy.SelectedItem).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.SingboxStrategy4Proxy, v => v.cmbSBRemoteDNSStrategy.SelectedItem).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.Hosts, v => v.txtHosts.Text).DisposeWith(disposables);
-            this.Bind(ViewModel, vm => vm.DirectExpectedIPs, v => v.cmbDirectExpectedIPs.SelectedItem).DisposeWith(disposables);
+            //this.Bind(ViewModel, vm => vm.DirectExpectedIPs, v => v.cmbDirectExpectedIPs.Text).DisposeWith(disposables);
 
             this.BindCommand(ViewModel, vm => vm.SaveCmd, v => v.btnSave).DisposeWith(disposables);
 
@@ -55,11 +55,11 @@ public partial class DNSSettingWindow : WindowBase<DNSSettingViewModel>
 
             this.Bind(ViewModel, vm => vm.UseSystemHostsCompatible, v => v.togUseSystemHostsCompatible.IsChecked).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.DomainStrategy4FreedomCompatible, v => v.cmbdomainStrategy4FreedomCompatible.SelectedItem).DisposeWith(disposables);
-            this.Bind(ViewModel, vm => vm.DomainDNSAddressCompatible, v => v.cmbdomainDNSAddressCompatible.SelectedItem).DisposeWith(disposables);
+            //this.Bind(ViewModel, vm => vm.DomainDNSAddressCompatible, v => v.cmbdomainDNSAddressCompatible.Text).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.NormalDNSCompatible, v => v.txtnormalDNSCompatible.Text).DisposeWith(disposables);
 
             this.Bind(ViewModel, vm => vm.DomainStrategy4Freedom2Compatible, v => v.cmbdomainStrategy4OutCompatible.SelectedItem).DisposeWith(disposables);
-            this.Bind(ViewModel, vm => vm.DomainDNSAddress2Compatible, v => v.cmbdomainDNSAddress2Compatible.SelectedItem).DisposeWith(disposables);
+            //this.Bind(ViewModel, vm => vm.DomainDNSAddress2Compatible, v => v.cmbdomainDNSAddress2Compatible.Text).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.NormalDNS2Compatible, v => v.txtnormalDNS2Compatible.Text).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.TunDNS2Compatible, v => v.txttunDNS2Compatible.Text).DisposeWith(disposables);