diff --git a/v2rayN/ServiceLib/Common/StringEx.cs b/v2rayN/ServiceLib/Common/StringEx.cs
index 008af348..eb9bdafe 100644
--- a/v2rayN/ServiceLib/Common/StringEx.cs
+++ b/v2rayN/ServiceLib/Common/StringEx.cs
@@ -14,6 +14,11 @@ namespace ServiceLib.Common
             return string.IsNullOrWhiteSpace(value);
         }
 
+        public static bool IsNotEmpty([NotNullWhen(false)] this string? value)
+        {
+            return !string.IsNullOrEmpty(value);
+        }
+
         public static bool BeginWithAny(this string s, IEnumerable<char> chars)
         {
             if (s.IsNullOrEmpty()) return false;
diff --git a/v2rayN/ServiceLib/Resx/ResUI.Designer.cs b/v2rayN/ServiceLib/Resx/ResUI.Designer.cs
index 7248e789..edb0a9d9 100644
--- a/v2rayN/ServiceLib/Resx/ResUI.Designer.cs
+++ b/v2rayN/ServiceLib/Resx/ResUI.Designer.cs
@@ -105,6 +105,15 @@ namespace ServiceLib.Resx {
             }
         }
         
+        /// <summary>
+        ///   查找类似 Host filter 的本地化字符串。
+        /// </summary>
+        public static string ConnectionsHostFilterTitle {
+            get {
+                return ResourceManager.GetString("ConnectionsHostFilterTitle", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   查找类似 Note that custom configuration relies entirely on your own configuration and does not work with all settings. If you want to use the system proxy, please modify the listening port manually. 的本地化字符串。
         /// </summary>
diff --git a/v2rayN/ServiceLib/Resx/ResUI.resx b/v2rayN/ServiceLib/Resx/ResUI.resx
index 2d51cec7..c9e7d71b 100644
--- a/v2rayN/ServiceLib/Resx/ResUI.resx
+++ b/v2rayN/ServiceLib/Resx/ResUI.resx
@@ -1318,4 +1318,7 @@
   <data name="LocalRestoreInvalidZipTips" xml:space="preserve">
     <value>Invalid backup file</value>
   </data>
+  <data name="ConnectionsHostFilterTitle" xml:space="preserve">
+    <value>Host filter</value>
+  </data>
 </root>
\ No newline at end of file
diff --git a/v2rayN/ServiceLib/Resx/ResUI.zh-Hans.resx b/v2rayN/ServiceLib/Resx/ResUI.zh-Hans.resx
index c7ae08e2..b88be0c5 100644
--- a/v2rayN/ServiceLib/Resx/ResUI.zh-Hans.resx
+++ b/v2rayN/ServiceLib/Resx/ResUI.zh-Hans.resx
@@ -1315,4 +1315,7 @@
   <data name="LocalRestoreInvalidZipTips" xml:space="preserve">
     <value>无效备份文件</value>
   </data>
+  <data name="ConnectionsHostFilterTitle" xml:space="preserve">
+    <value>主机过滤器</value>
+  </data>
 </root>
\ No newline at end of file
diff --git a/v2rayN/ServiceLib/Resx/ResUI.zh-Hant.resx b/v2rayN/ServiceLib/Resx/ResUI.zh-Hant.resx
index 367aabcb..913705fb 100644
--- a/v2rayN/ServiceLib/Resx/ResUI.zh-Hant.resx
+++ b/v2rayN/ServiceLib/Resx/ResUI.zh-Hant.resx
@@ -1195,4 +1195,7 @@
   <data name="LocalRestoreInvalidZipTips" xml:space="preserve">
     <value>無效備份文件</value>
   </data>
+  <data name="ConnectionsHostFilterTitle" xml:space="preserve">
+    <value>主機過濾器</value>
+  </data>
 </root>
\ No newline at end of file
diff --git a/v2rayN/ServiceLib/ViewModels/ClashConnectionsViewModel.cs b/v2rayN/ServiceLib/ViewModels/ClashConnectionsViewModel.cs
index 5adf7fc9..290a4e2e 100644
--- a/v2rayN/ServiceLib/ViewModels/ClashConnectionsViewModel.cs
+++ b/v2rayN/ServiceLib/ViewModels/ClashConnectionsViewModel.cs
@@ -19,6 +19,9 @@ namespace ServiceLib.ViewModels
         public ReactiveCommand<Unit, Unit> ConnectionCloseCmd { get; }
         public ReactiveCommand<Unit, Unit> ConnectionCloseAllCmd { get; }
 
+        [Reactive]
+        public string HostFilter { get; set; }
+
         [Reactive]
         public int SortingSelected { get; set; }
 
@@ -77,7 +80,7 @@ namespace ServiceLib.ViewModels
         {
             var lastTime = DateTime.Now;
 
-            Observable.Interval(TimeSpan.FromSeconds(10))
+            Observable.Interval(TimeSpan.FromSeconds(5))
               .Subscribe(x =>
               {
                   if (!(AutoRefresh && _config.uiItem.showInTaskbar && _config.IsRunningCore(ECoreType.clash)))
@@ -118,12 +121,18 @@ namespace ServiceLib.ViewModels
             var lstModel = new List<ClashConnectionModel>();
             foreach (var item in connections ?? [])
             {
+                var host = $"{(string.IsNullOrEmpty(item.metadata.host) ? item.metadata.destinationIP : item.metadata.host)}:{item.metadata.destinationPort}";
+                if (HostFilter.IsNotEmpty() && !host.Contains(HostFilter))
+                {
+                    continue;
+                }
+
                 ClashConnectionModel model = new();
 
                 model.id = item.id;
                 model.network = item.metadata.network;
                 model.type = item.metadata.type;
-                model.host = $"{(string.IsNullOrEmpty(item.metadata.host) ? item.metadata.destinationIP : item.metadata.host)}:{item.metadata.destinationPort}";
+                model.host = host;
                 var sp = (dtNow - item.start);
                 model.time = sp.TotalSeconds < 0 ? 1 : sp.TotalSeconds;
                 model.upload = item.upload;
diff --git a/v2rayN/v2rayN/Views/ClashConnectionsView.xaml b/v2rayN/v2rayN/Views/ClashConnectionsView.xaml
index 4a000135..b9e3ef5e 100644
--- a/v2rayN/v2rayN/Views/ClashConnectionsView.xaml
+++ b/v2rayN/v2rayN/Views/ClashConnectionsView.xaml
@@ -1,11 +1,11 @@
 <reactiveui:ReactiveUserControl
     x:Class="v2rayN.Views.ClashConnectionsView"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
-    xmlns:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes"
-    xmlns:reactiveui="http://reactiveui.net"
-    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+    xmlns:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+    xmlns:reactiveui="http://reactiveui.net"
     xmlns:resx="clr-namespace:ServiceLib.Resx;assembly=ServiceLib"
     xmlns:vms="clr-namespace:ServiceLib.ViewModels;assembly=ServiceLib"
     d:DesignHeight="450"
@@ -20,6 +20,15 @@
             DockPanel.Dock="Top"
             Orientation="Horizontal">
 
+            <TextBox
+                x:Name="txtHostFilter"
+                Width="200"
+                Margin="8,0"
+                VerticalContentAlignment="Center"
+                materialDesign:HintAssist.Hint="{x:Static resx:ResUI.ConnectionsHostFilterTitle}"
+                materialDesign:TextFieldAssist.HasClearButton="True"
+                Style="{StaticResource DefTextBox}" />
+
             <TextBlock
                 Margin="8,0"
                 VerticalAlignment="Center"
diff --git a/v2rayN/v2rayN/Views/ClashConnectionsView.xaml.cs b/v2rayN/v2rayN/Views/ClashConnectionsView.xaml.cs
index c90fcfad..42d0ec24 100644
--- a/v2rayN/v2rayN/Views/ClashConnectionsView.xaml.cs
+++ b/v2rayN/v2rayN/Views/ClashConnectionsView.xaml.cs
@@ -23,6 +23,7 @@ namespace v2rayN.Views
                 this.BindCommand(ViewModel, vm => vm.ConnectionCloseCmd, v => v.menuConnectionClose).DisposeWith(disposables);
                 this.BindCommand(ViewModel, vm => vm.ConnectionCloseAllCmd, v => v.menuConnectionCloseAll).DisposeWith(disposables);
 
+                this.Bind(ViewModel, vm => vm.HostFilter, v => v.txtHostFilter.Text).DisposeWith(disposables);
                 this.Bind(ViewModel, vm => vm.SortingSelected, v => v.cmbSorting.SelectedIndex).DisposeWith(disposables);
                 this.BindCommand(ViewModel, vm => vm.ConnectionCloseAllCmd, v => v.btnConnectionCloseAll).DisposeWith(disposables);
                 this.Bind(ViewModel, vm => vm.AutoRefresh, v => v.togAutoRefresh.IsChecked).DisposeWith(disposables);