diff --git a/v2rayN/v2rayN/App.xaml.cs b/v2rayN/v2rayN/App.xaml.cs
index 9fbaf10f..05087494 100644
--- a/v2rayN/v2rayN/App.xaml.cs
+++ b/v2rayN/v2rayN/App.xaml.cs
@@ -54,7 +54,7 @@ namespace v2rayN
         {
             if (ConfigHandler.LoadConfig(ref _config) != 0)
             {
-                UI.ShowWarning($"Loading GUI configuration file is abnormal,please restart the application{Environment.NewLine}加载GUI配置文件异常,请重启应用");
+                UI.Show($"Loading GUI configuration file is abnormal,please restart the application{Environment.NewLine}加载GUI配置文件异常,请重启应用");
                 Application.Current.Shutdown();
                 Environment.Exit(0);
                 return;
diff --git a/v2rayN/v2rayN/Common/UI.cs b/v2rayN/v2rayN/Common/UI.cs
index 226757c4..7b608e96 100644
--- a/v2rayN/v2rayN/Common/UI.cs
+++ b/v2rayN/v2rayN/Common/UI.cs
@@ -12,11 +12,6 @@ namespace v2rayN
             MessageBox.Show(msg, caption, MessageBoxButton.OK, MessageBoxImage.Information, MessageBoxResult.OK);
         }
 
-        public static void ShowWarning(string msg)
-        {
-            MessageBox.Show(msg, caption, MessageBoxButton.OK, MessageBoxImage.Warning, MessageBoxResult.OK);
-        }
-
         public static MessageBoxResult ShowYesNo(string msg)
         {
             return MessageBox.Show(msg, caption, MessageBoxButton.YesNo, MessageBoxImage.Question);
diff --git a/v2rayN/v2rayN/Handler/ConfigHandler.cs b/v2rayN/v2rayN/Handler/ConfigHandler.cs
index 6eb700f3..c8bc583e 100644
--- a/v2rayN/v2rayN/Handler/ConfigHandler.cs
+++ b/v2rayN/v2rayN/Handler/ConfigHandler.cs
@@ -1186,7 +1186,7 @@ namespace v2rayN.Handler
 
             ProfileItem profileItem = new();
             //Is v2ray configuration
-            V2rayConfig? v2rayConfig = JsonUtile.Deserialize<V2rayConfig>(clipboardData);
+            var v2rayConfig = JsonUtile.Deserialize<V2rayConfig>(clipboardData);
             if (v2rayConfig?.inbounds?.Count > 0
                 && v2rayConfig.outbounds?.Count > 0)
             {
diff --git a/v2rayN/v2rayN/Handler/MainFormHandler.cs b/v2rayN/v2rayN/Handler/MainFormHandler.cs
index 7fb3d4ad..75897885 100644
--- a/v2rayN/v2rayN/Handler/MainFormHandler.cs
+++ b/v2rayN/v2rayN/Handler/MainFormHandler.cs
@@ -1,4 +1,5 @@
 using Microsoft.Win32;
+using Splat;
 using System.Drawing;
 using System.IO;
 using System.Windows.Media.Imaging;
@@ -125,7 +126,7 @@ namespace v2rayN.Handler
             }
             if (item.configType == EConfigType.Custom)
             {
-                UI.Show(ResUI.NonVmessService);
+                Locator.Current.GetService<NoticeHandler>()?.Enqueue(ResUI.NonVmessService);
                 return;
             }
 
@@ -146,11 +147,12 @@ namespace v2rayN.Handler
             }
             if (CoreConfigHandler.GenerateClientConfig(item, fileName, out string msg, out string content) != 0)
             {
-                UI.Show(msg);
+                Locator.Current.GetService<NoticeHandler>()?.Enqueue(msg);
             }
             else
             {
-                UI.ShowWarning(string.Format(ResUI.SaveClientConfigurationIn, fileName));
+                msg = string.Format(ResUI.SaveClientConfigurationIn, fileName);
+                Locator.Current.GetService<NoticeHandler>()?.SendMessageAndEnqueue(msg);
             }
         }
 
diff --git a/v2rayN/v2rayN/Handler/NoticeHandler.cs b/v2rayN/v2rayN/Handler/NoticeHandler.cs
index 3402bf42..570308f6 100644
--- a/v2rayN/v2rayN/Handler/NoticeHandler.cs
+++ b/v2rayN/v2rayN/Handler/NoticeHandler.cs
@@ -29,5 +29,11 @@ namespace v2rayN.Handler
             msg = $"{DateTime.Now.ToString("yyyy/MM/dd HH:mm:ss")} {msg}";
             MessageBus.Current.SendMessage(msg, Global.CommandSendMsgView);
         }
+
+        public void SendMessageAndEnqueue(string msg)
+        {
+            _snackbarMessageQueue?.Enqueue(msg);
+            MessageBus.Current.SendMessage(msg, Global.CommandSendMsgView);
+        }
     }
 }
\ No newline at end of file
diff --git a/v2rayN/v2rayN/ViewModels/AddServer2ViewModel.cs b/v2rayN/v2rayN/ViewModels/AddServer2ViewModel.cs
index f1f2c374..02204701 100644
--- a/v2rayN/v2rayN/ViewModels/AddServer2ViewModel.cs
+++ b/v2rayN/v2rayN/ViewModels/AddServer2ViewModel.cs
@@ -64,13 +64,13 @@ namespace v2rayN.ViewModels
             string remarks = SelectedSource.remarks;
             if (Utile.IsNullOrEmpty(remarks))
             {
-                UI.Show(ResUI.PleaseFillRemarks);
+                _noticeHandler?.Enqueue(ResUI.PleaseFillRemarks);
                 return;
             }
 
             if (Utile.IsNullOrEmpty(SelectedSource.address))
             {
-                UI.Show(ResUI.FillServerAddressCustom);
+                _noticeHandler?.Enqueue(ResUI.FillServerAddressCustom);
                 return;
             }
 
@@ -95,13 +95,13 @@ namespace v2rayN.ViewModels
             }
             else
             {
-                UI.Show(ResUI.OperationFailed);
+                _noticeHandler?.Enqueue(ResUI.OperationFailed);
             }
         }
 
         private void BrowseServer()
         {
-            //UI.Show(ResUI.CustomServerTips);
+            //_noticeHandler?.Enqueue(ResUI.CustomServerTips);
 
             if (UI.OpenFileDialog(out string fileName,
                 "Config|*.json|YAML|*.yaml;*.yml|All|*.*") != true)
@@ -127,7 +127,7 @@ namespace v2rayN.ViewModels
             }
             else
             {
-                UI.ShowWarning(ResUI.FailedImportedCustomServer);
+                _noticeHandler?.Enqueue(ResUI.FailedImportedCustomServer);
             }
         }
 
@@ -136,7 +136,7 @@ namespace v2rayN.ViewModels
             var address = SelectedSource.address;
             if (Utile.IsNullOrEmpty(address))
             {
-                UI.Show(ResUI.FillServerAddressCustom);
+                _noticeHandler?.Enqueue(ResUI.FillServerAddressCustom);
                 return;
             }
 
diff --git a/v2rayN/v2rayN/ViewModels/AddServerViewModel.cs b/v2rayN/v2rayN/ViewModels/AddServerViewModel.cs
index bc1b8f24..2c63007b 100644
--- a/v2rayN/v2rayN/ViewModels/AddServerViewModel.cs
+++ b/v2rayN/v2rayN/ViewModels/AddServerViewModel.cs
@@ -51,32 +51,32 @@ namespace v2rayN.ViewModels
         {
             if (Utile.IsNullOrEmpty(SelectedSource.remarks))
             {
-                UI.Show(ResUI.PleaseFillRemarks);
+                _noticeHandler?.Enqueue(ResUI.PleaseFillRemarks);
                 return;
             }
 
             if (Utile.IsNullOrEmpty(SelectedSource.address))
             {
-                UI.Show(ResUI.FillServerAddress);
+                _noticeHandler?.Enqueue(ResUI.FillServerAddress);
                 return;
             }
             var port = SelectedSource.port.ToString();
             if (Utile.IsNullOrEmpty(port) || !Utile.IsNumeric(port)
                 || SelectedSource.port <= 0 || SelectedSource.port >= Global.MaxPort)
             {
-                UI.Show(ResUI.FillCorrectServerPort);
+                _noticeHandler?.Enqueue(ResUI.FillCorrectServerPort);
                 return;
             }
             if (SelectedSource.configType == EConfigType.Shadowsocks)
             {
                 if (Utile.IsNullOrEmpty(SelectedSource.id))
                 {
-                    UI.Show(ResUI.FillPassword);
+                    _noticeHandler?.Enqueue(ResUI.FillPassword);
                     return;
                 }
                 if (Utile.IsNullOrEmpty(SelectedSource.security))
                 {
-                    UI.Show(ResUI.PleaseSelectEncryption);
+                    _noticeHandler?.Enqueue(ResUI.PleaseSelectEncryption);
                     return;
                 }
             }
@@ -84,7 +84,7 @@ namespace v2rayN.ViewModels
             {
                 if (Utile.IsNullOrEmpty(SelectedSource.id))
                 {
-                    UI.Show(ResUI.FillUUID);
+                    _noticeHandler?.Enqueue(ResUI.FillUUID);
                     return;
                 }
             }
@@ -143,7 +143,7 @@ namespace v2rayN.ViewModels
             }
             else
             {
-                UI.Show(ResUI.OperationFailed);
+                _noticeHandler?.Enqueue(ResUI.OperationFailed);
             }
         }
     }
diff --git a/v2rayN/v2rayN/ViewModels/DNSSettingViewModel.cs b/v2rayN/v2rayN/ViewModels/DNSSettingViewModel.cs
index 169ce11c..65460921 100644
--- a/v2rayN/v2rayN/ViewModels/DNSSettingViewModel.cs
+++ b/v2rayN/v2rayN/ViewModels/DNSSettingViewModel.cs
@@ -71,7 +71,7 @@ namespace v2rayN.ViewModels
                 {
                     if (normalDNS.Contains("{") || normalDNS.Contains("}"))
                     {
-                        UI.Show(ResUI.FillCorrectDNSText);
+                        _noticeHandler?.Enqueue(ResUI.FillCorrectDNSText);
                         return;
                     }
                 }
@@ -81,7 +81,7 @@ namespace v2rayN.ViewModels
                 var obj2 = JsonUtile.Deserialize<Dns4Sbox>(normalDNS2);
                 if (obj2 == null)
                 {
-                    UI.Show(ResUI.FillCorrectDNSText);
+                    _noticeHandler?.Enqueue(ResUI.FillCorrectDNSText);
                     return;
                 }
             }
@@ -90,7 +90,7 @@ namespace v2rayN.ViewModels
                 var obj2 = JsonUtile.Deserialize<Dns4Sbox>(tunDNS2);
                 if (obj2 == null)
                 {
-                    UI.Show(ResUI.FillCorrectDNSText);
+                    _noticeHandler?.Enqueue(ResUI.FillCorrectDNSText);
                     return;
                 }
             }
diff --git a/v2rayN/v2rayN/ViewModels/MainWindowViewModel.cs b/v2rayN/v2rayN/ViewModels/MainWindowViewModel.cs
index a373a70a..0606d51e 100644
--- a/v2rayN/v2rayN/ViewModels/MainWindowViewModel.cs
+++ b/v2rayN/v2rayN/ViewModels/MainWindowViewModel.cs
@@ -1434,11 +1434,11 @@ namespace v2rayN.ViewModels
                 InitSubscriptionView();
                 RefreshServers();
                 Reload();
-                UI.Show(ResUI.OperationSuccess);
+                _noticeHandler?.Enqueue(ResUI.OperationSuccess);
             }
             else
             {
-                _noticeHandler.Enqueue(ResUI.OperationFailed);
+                _noticeHandler?.Enqueue(ResUI.OperationFailed);
             }
         }
 
diff --git a/v2rayN/v2rayN/ViewModels/OptionSettingViewModel.cs b/v2rayN/v2rayN/ViewModels/OptionSettingViewModel.cs
index f860055d..abf5620c 100644
--- a/v2rayN/v2rayN/ViewModels/OptionSettingViewModel.cs
+++ b/v2rayN/v2rayN/ViewModels/OptionSettingViewModel.cs
@@ -252,7 +252,7 @@ namespace v2rayN.ViewModels
             if (Utile.IsNullOrEmpty(localPort.ToString()) || !Utile.IsNumeric(localPort.ToString())
                || localPort <= 0 || localPort >= Global.MaxPort)
             {
-                UI.Show(ResUI.FillLocalListeningPort);
+                _noticeHandler?.Enqueue(ResUI.FillLocalListeningPort);
                 return;
             }
 
@@ -263,7 +263,7 @@ namespace v2rayN.ViewModels
             //       || Utile.IsNullOrEmpty(KcpreadBufferSize.ToString()) || !Utile.IsNumeric(KcpreadBufferSize.ToString())
             //       || Utile.IsNullOrEmpty(KcpwriteBufferSize.ToString()) || !Utile.IsNumeric(KcpwriteBufferSize.ToString()))
             //{
-            //    UI.Show(ResUI.FillKcpParameters);
+            //    _noticeHandler?.Enqueue(ResUI.FillKcpParameters);
             //    return;
             //}
 
@@ -342,7 +342,7 @@ namespace v2rayN.ViewModels
             }
             else
             {
-                UI.ShowWarning(ResUI.OperationFailed);
+                _noticeHandler?.Enqueue(ResUI.OperationFailed);
             }
         }
 
diff --git a/v2rayN/v2rayN/ViewModels/RoutingRuleDetailsViewModel.cs b/v2rayN/v2rayN/ViewModels/RoutingRuleDetailsViewModel.cs
index 997ff002..cb728361 100644
--- a/v2rayN/v2rayN/ViewModels/RoutingRuleDetailsViewModel.cs
+++ b/v2rayN/v2rayN/ViewModels/RoutingRuleDetailsViewModel.cs
@@ -94,7 +94,7 @@ namespace v2rayN.ViewModels
 
             if (!hasRule)
             {
-                UI.ShowWarning(string.Format(ResUI.RoutingRuleDetailRequiredTips, "Port/Protocol/Domain/IP/Process"));
+                _noticeHandler?.Enqueue(string.Format(ResUI.RoutingRuleDetailRequiredTips, "Port/Protocol/Domain/IP/Process"));
                 return;
             }
             //_noticeHandler?.Enqueue(ResUI.OperationSuccess);
diff --git a/v2rayN/v2rayN/ViewModels/RoutingRuleSettingViewModel.cs b/v2rayN/v2rayN/ViewModels/RoutingRuleSettingViewModel.cs
index 7884437a..419ca3c0 100644
--- a/v2rayN/v2rayN/ViewModels/RoutingRuleSettingViewModel.cs
+++ b/v2rayN/v2rayN/ViewModels/RoutingRuleSettingViewModel.cs
@@ -169,7 +169,7 @@ namespace v2rayN.ViewModels
         {
             if (SelectedSource is null || SelectedSource.outboundTag.IsNullOrEmpty())
             {
-                UI.Show(ResUI.PleaseSelectRules);
+                _noticeHandler?.Enqueue(ResUI.PleaseSelectRules);
                 return;
             }
             if (UI.ShowYesNo(ResUI.RemoveRules) == MessageBoxResult.No)
@@ -192,7 +192,7 @@ namespace v2rayN.ViewModels
         {
             if (SelectedSource is null || SelectedSource.outboundTag.IsNullOrEmpty())
             {
-                UI.Show(ResUI.PleaseSelectRules);
+                _noticeHandler?.Enqueue(ResUI.PleaseSelectRules);
                 return;
             }
 
@@ -208,7 +208,7 @@ namespace v2rayN.ViewModels
             if (lst.Count > 0)
             {
                 Utile.SetClipboardData(JsonUtile.Serialize(lst));
-                //UI.Show(ResUI.OperationSuccess"));
+                //_noticeHandler?.Enqueue(ResUI.OperationSuccess"));
             }
         }
 
@@ -216,7 +216,7 @@ namespace v2rayN.ViewModels
         {
             if (SelectedSource is null || SelectedSource.outboundTag.IsNullOrEmpty())
             {
-                UI.Show(ResUI.PleaseSelectRules);
+                _noticeHandler?.Enqueue(ResUI.PleaseSelectRules);
                 return;
             }
 
@@ -237,7 +237,7 @@ namespace v2rayN.ViewModels
             string remarks = SelectedRouting.remarks;
             if (Utile.IsNullOrEmpty(remarks))
             {
-                UI.Show(ResUI.PleaseFillRemarks);
+                _noticeHandler?.Enqueue(ResUI.PleaseFillRemarks);
                 return;
             }
             var item = SelectedRouting;
@@ -255,7 +255,7 @@ namespace v2rayN.ViewModels
             }
             else
             {
-                UI.ShowWarning(ResUI.OperationFailed);
+                _noticeHandler?.Enqueue(ResUI.OperationFailed);
             }
         }
 
@@ -282,7 +282,7 @@ namespace v2rayN.ViewModels
             if (AddBatchRoutingRules(SelectedRouting, result) == 0)
             {
                 RefreshRulesItems();
-                UI.Show(ResUI.OperationSuccess);
+                _noticeHandler?.Enqueue(ResUI.OperationSuccess);
             }
         }
 
@@ -292,7 +292,7 @@ namespace v2rayN.ViewModels
             if (AddBatchRoutingRules(SelectedRouting, clipboardData) == 0)
             {
                 RefreshRulesItems();
-                UI.Show(ResUI.OperationSuccess);
+                _noticeHandler?.Enqueue(ResUI.OperationSuccess);
             }
         }
 
@@ -301,7 +301,7 @@ namespace v2rayN.ViewModels
             var url = SelectedRouting.url;
             if (Utile.IsNullOrEmpty(url))
             {
-                UI.Show(ResUI.MsgNeedUrl);
+                _noticeHandler?.Enqueue(ResUI.MsgNeedUrl);
                 return;
             }
 
@@ -313,7 +313,7 @@ namespace v2rayN.ViewModels
                 {
                     RefreshRulesItems();
                 }));
-                UI.Show(ResUI.OperationSuccess);
+                _noticeHandler?.Enqueue(ResUI.OperationSuccess);
             }
         }
 
diff --git a/v2rayN/v2rayN/ViewModels/RoutingSettingViewModel.cs b/v2rayN/v2rayN/ViewModels/RoutingSettingViewModel.cs
index bb08a4ec..49685466 100644
--- a/v2rayN/v2rayN/ViewModels/RoutingSettingViewModel.cs
+++ b/v2rayN/v2rayN/ViewModels/RoutingSettingViewModel.cs
@@ -214,7 +214,7 @@ namespace v2rayN.ViewModels
             }
             else
             {
-                UI.ShowWarning(ResUI.OperationFailed);
+                _noticeHandler?.Enqueue(ResUI.OperationFailed);
             }
         }
 
@@ -229,7 +229,7 @@ namespace v2rayN.ViewModels
             BlockDomain = "geosite:category-ads-all";
 
             //_noticeHandler?.Enqueue(ResUI.OperationSuccess);
-            UI.Show(ResUI.OperationSuccess);
+            _noticeHandler?.Enqueue(ResUI.OperationSuccess);
         }
 
         public void RoutingAdvancedEdit(bool blNew)
@@ -259,7 +259,7 @@ namespace v2rayN.ViewModels
         {
             if (SelectedSource is null || SelectedSource.remarks.IsNullOrEmpty())
             {
-                UI.Show(ResUI.PleaseSelectRules);
+                _noticeHandler?.Enqueue(ResUI.PleaseSelectRules);
                 return;
             }
             if (UI.ShowYesNo(ResUI.RemoveRules) == MessageBoxResult.No)
@@ -284,7 +284,7 @@ namespace v2rayN.ViewModels
             var item = LazyConfig.Instance.GetRoutingItem(SelectedSource?.id);
             if (item is null)
             {
-                UI.Show(ResUI.PleaseSelectRules);
+                _noticeHandler?.Enqueue(ResUI.PleaseSelectRules);
                 return;
             }
 
diff --git a/v2rayN/v2rayN/ViewModels/SubEditViewModel.cs b/v2rayN/v2rayN/ViewModels/SubEditViewModel.cs
index 5098c7f3..ce20356f 100644
--- a/v2rayN/v2rayN/ViewModels/SubEditViewModel.cs
+++ b/v2rayN/v2rayN/ViewModels/SubEditViewModel.cs
@@ -48,7 +48,7 @@ namespace v2rayN.ViewModels
             string remarks = SelectedSource.remarks;
             if (string.IsNullOrEmpty(remarks))
             {
-                UI.Show(ResUI.PleaseFillRemarks);
+                _noticeHandler?.Enqueue(ResUI.PleaseFillRemarks);
                 return;
             }
 
diff --git a/v2rayN/v2rayN/Views/GlobalHotkeySettingWindow.xaml.cs b/v2rayN/v2rayN/Views/GlobalHotkeySettingWindow.xaml.cs
index f34907f5..151fb60f 100644
--- a/v2rayN/v2rayN/Views/GlobalHotkeySettingWindow.xaml.cs
+++ b/v2rayN/v2rayN/Views/GlobalHotkeySettingWindow.xaml.cs
@@ -119,7 +119,7 @@ namespace v2rayN.Views
             }
             else
             {
-                UI.ShowWarning(ResUI.OperationFailed);
+                UI.Show(ResUI.OperationFailed);
             }
         }