diff --git a/v2rayN/ServiceLib/Common/FileManager.cs b/v2rayN/ServiceLib/Common/FileManager.cs
index b98b1655..b7bc3a8f 100644
--- a/v2rayN/ServiceLib/Common/FileManager.cs
+++ b/v2rayN/ServiceLib/Common/FileManager.cs
@@ -6,6 +6,8 @@ namespace ServiceLib.Common
 {
     public static class FileManager
     {
+        private static readonly string _tag = "FileManager";
+
         public static bool ByteArrayToFile(string fileName, byte[] content)
         {
             try
@@ -15,7 +17,7 @@ namespace ServiceLib.Common
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
             }
             return false;
         }
@@ -30,7 +32,7 @@ namespace ServiceLib.Common
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
             }
         }
 
@@ -46,7 +48,7 @@ namespace ServiceLib.Common
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
             }
         }
 
@@ -60,7 +62,7 @@ namespace ServiceLib.Common
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
             }
         }
 
@@ -79,7 +81,7 @@ namespace ServiceLib.Common
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
                 throw;
             }
         }
@@ -105,13 +107,13 @@ namespace ServiceLib.Common
                     }
                     catch (IOException ex)
                     {
-                        Logging.SaveLog(ex.Message, ex);
+                        Logging.SaveLog(_tag, ex);
                     }
                 }
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
                 return false;
             }
             return true;
@@ -130,7 +132,7 @@ namespace ServiceLib.Common
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
                 return null;
             }
         }
@@ -148,7 +150,7 @@ namespace ServiceLib.Common
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
                 return false;
             }
             return true;
diff --git a/v2rayN/ServiceLib/Common/JsonUtils.cs b/v2rayN/ServiceLib/Common/JsonUtils.cs
index cf5ec25c..09b62dda 100644
--- a/v2rayN/ServiceLib/Common/JsonUtils.cs
+++ b/v2rayN/ServiceLib/Common/JsonUtils.cs
@@ -6,6 +6,8 @@ namespace ServiceLib.Common
 {
     public class JsonUtils
     {
+        private static readonly string _tag = "JsonUtils";
+
         /// <summary>
         /// DeepCopy
         /// </summary>
@@ -90,7 +92,7 @@ namespace ServiceLib.Common
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
             }
             return result;
         }
diff --git a/v2rayN/ServiceLib/Common/Utils.cs b/v2rayN/ServiceLib/Common/Utils.cs
index 5dd5a4ec..5985fa9f 100644
--- a/v2rayN/ServiceLib/Common/Utils.cs
+++ b/v2rayN/ServiceLib/Common/Utils.cs
@@ -15,6 +15,8 @@ namespace ServiceLib.Common
 {
     public class Utils
     {
+        private static readonly string _tag = "Utils";
+
         #region 资源操作
 
         /// <summary>
@@ -36,7 +38,7 @@ namespace ServiceLib.Common
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
             }
 
             return result;
@@ -57,7 +59,7 @@ namespace ServiceLib.Common
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
             }
 
             return null;
@@ -92,7 +94,7 @@ namespace ServiceLib.Common
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
             }
 
             return string.Empty;
@@ -117,7 +119,7 @@ namespace ServiceLib.Common
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
             }
 
             return null;
@@ -139,7 +141,7 @@ namespace ServiceLib.Common
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
             }
 
             return null;
@@ -159,7 +161,7 @@ namespace ServiceLib.Common
             }
             catch (Exception ex)
             {
-                Logging.SaveLog("Base64Encode", ex);
+                Logging.SaveLog(_tag, ex);
             }
 
             return string.Empty;
@@ -193,7 +195,7 @@ namespace ServiceLib.Common
             }
             catch (Exception ex)
             {
-                Logging.SaveLog("Base64Decode", ex);
+                Logging.SaveLog(_tag, ex);
             }
 
             return string.Empty;
@@ -483,7 +485,7 @@ namespace ServiceLib.Common
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
             }
 
             return false;
@@ -535,7 +537,7 @@ namespace ServiceLib.Common
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
             }
 
             return Global.AppName;
@@ -549,7 +551,7 @@ namespace ServiceLib.Common
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
                 return "0.0";
             }
         }
@@ -578,7 +580,7 @@ namespace ServiceLib.Common
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
             }
 
             return string.Empty;
@@ -605,7 +607,7 @@ namespace ServiceLib.Common
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
             }
         }
 
@@ -631,7 +633,7 @@ namespace ServiceLib.Common
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
             }
 
             return systemHosts;
diff --git a/v2rayN/ServiceLib/Common/WindowsUtils.cs b/v2rayN/ServiceLib/Common/WindowsUtils.cs
index a7b8fc5f..94b3b811 100644
--- a/v2rayN/ServiceLib/Common/WindowsUtils.cs
+++ b/v2rayN/ServiceLib/Common/WindowsUtils.cs
@@ -4,6 +4,7 @@ namespace ServiceLib.Common
 {
     internal static class WindowsUtils
     {
+        private static readonly string _tag = "WindowsUtils";
         public static string? RegReadValue(string path, string name, string def)
         {
             RegistryKey? regKey = null;
@@ -15,7 +16,7 @@ namespace ServiceLib.Common
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
             }
             finally
             {
@@ -41,7 +42,7 @@ namespace ServiceLib.Common
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
             }
             finally
             {
diff --git a/v2rayN/ServiceLib/Common/YamlUtils.cs b/v2rayN/ServiceLib/Common/YamlUtils.cs
index 94d572b5..13ad2d78 100644
--- a/v2rayN/ServiceLib/Common/YamlUtils.cs
+++ b/v2rayN/ServiceLib/Common/YamlUtils.cs
@@ -6,6 +6,8 @@ namespace ServiceLib.Common
 {
     public class YamlUtils
     {
+        private static readonly string _tag = "YamlUtils";
+
         #region YAML
 
         /// <summary>
@@ -26,7 +28,7 @@ namespace ServiceLib.Common
             }
             catch (Exception ex)
             {
-                Logging.SaveLog("FromYaml", ex);
+                Logging.SaveLog(_tag, ex);
                 return deserializer.Deserialize<T>("");
             }
         }
@@ -53,7 +55,7 @@ namespace ServiceLib.Common
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
             }
             return result;
         }
@@ -71,7 +73,7 @@ namespace ServiceLib.Common
             }
             catch (Exception ex)
             {
-                Logging.SaveLog("PreprocessYaml", ex);
+                Logging.SaveLog(_tag, ex);
                 return null;
             }
         }
diff --git a/v2rayN/ServiceLib/Handler/AutoStartupHandler.cs b/v2rayN/ServiceLib/Handler/AutoStartupHandler.cs
index 12dc2921..881532fc 100644
--- a/v2rayN/ServiceLib/Handler/AutoStartupHandler.cs
+++ b/v2rayN/ServiceLib/Handler/AutoStartupHandler.cs
@@ -5,6 +5,8 @@ namespace ServiceLib.Handler
 {
     public static class AutoStartupHandler
     {
+        private static readonly string _tag = "AutoStartupHandler";
+
         public static async Task<bool> UpdateTask(Config config)
         {
             if (Utils.IsWindows())
@@ -62,7 +64,7 @@ namespace ServiceLib.Handler
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
             }
         }
 
@@ -123,7 +125,7 @@ namespace ServiceLib.Handler
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
             }
         }
 
@@ -143,7 +145,7 @@ namespace ServiceLib.Handler
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
             }
         }
 
diff --git a/v2rayN/ServiceLib/Handler/ClashApiHandler.cs b/v2rayN/ServiceLib/Handler/ClashApiHandler.cs
index cae3c035..81d92b04 100644
--- a/v2rayN/ServiceLib/Handler/ClashApiHandler.cs
+++ b/v2rayN/ServiceLib/Handler/ClashApiHandler.cs
@@ -9,6 +9,7 @@ namespace ServiceLib.Handler
 
         private Dictionary<string, ProxiesItem>? _proxies;
         public Dictionary<string, object> ProfileContent { get; set; }
+        private static readonly string _tag = "ClashApiHandler";
 
         public async Task<Tuple<ClashProxies, ClashProviders>?> GetClashProxiesAsync(Config config)
         {
@@ -109,7 +110,7 @@ namespace ServiceLib.Handler
             }
             catch (Exception ex)
             {
-                Logging.SaveLog("GetClashProxyGroups", ex);
+                Logging.SaveLog(_tag, ex);
                 return null;
             }
         }
@@ -125,7 +126,7 @@ namespace ServiceLib.Handler
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
             }
         }
 
@@ -153,7 +154,7 @@ namespace ServiceLib.Handler
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
             }
         }
 
@@ -169,7 +170,7 @@ namespace ServiceLib.Handler
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
             }
 
             return null;
@@ -184,7 +185,7 @@ namespace ServiceLib.Handler
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
             }
         }
 
diff --git a/v2rayN/ServiceLib/Handler/ConfigHandler.cs b/v2rayN/ServiceLib/Handler/ConfigHandler.cs
index c1ff96ca..fea4b3f4 100644
--- a/v2rayN/ServiceLib/Handler/ConfigHandler.cs
+++ b/v2rayN/ServiceLib/Handler/ConfigHandler.cs
@@ -9,6 +9,7 @@ namespace ServiceLib.Handler
     public class ConfigHandler
     {
         private static readonly string _configRes = Global.ConfigFileName;
+        private static readonly string _tag = "ConfigHandler";
 
         #region ConfigHandler
 
@@ -194,7 +195,7 @@ namespace ServiceLib.Handler
             }
             catch (Exception ex)
             {
-                Logging.SaveLog("ToJsonFile", ex);
+                Logging.SaveLog(_tag, ex);
                 return -1;
             }
 
@@ -500,7 +501,7 @@ namespace ServiceLib.Handler
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
                 return -1;
             }
 
@@ -987,7 +988,7 @@ namespace ServiceLib.Handler
             }
             catch (Exception ex)
             {
-                Logging.SaveLog("Remove Item", ex);
+                Logging.SaveLog(_tag, ex);
             }
 
             return 0;
diff --git a/v2rayN/ServiceLib/Handler/CoreConfigHandler.cs b/v2rayN/ServiceLib/Handler/CoreConfigHandler.cs
index 84c694c6..a034712d 100644
--- a/v2rayN/ServiceLib/Handler/CoreConfigHandler.cs
+++ b/v2rayN/ServiceLib/Handler/CoreConfigHandler.cs
@@ -1,10 +1,14 @@
-namespace ServiceLib.Handler
+using YamlDotNet.Core.Tokens;
+
+namespace ServiceLib.Handler
 {
     /// <summary>
     /// Core configuration file processing class
     /// </summary>
     public class CoreConfigHandler
     {
+        private static readonly string _tag = "CoreConfigHandler";
+
         public static async Task<RetResult> GenerateClientConfig(ProfileItem node, string? fileName)
         {
             var config = AppHandler.Instance.Config;
@@ -82,7 +86,7 @@
             }
             catch (Exception ex)
             {
-                Logging.SaveLog("GenerateClientCustomConfig", ex);
+                Logging.SaveLog(_tag, ex);
                 ret.Msg = ResUI.FailedGenDefaultConfiguration;
                 return ret;
             }
diff --git a/v2rayN/ServiceLib/Handler/Fmt/FmtHandler.cs b/v2rayN/ServiceLib/Handler/Fmt/FmtHandler.cs
index 4e95b129..1830c8af 100644
--- a/v2rayN/ServiceLib/Handler/Fmt/FmtHandler.cs
+++ b/v2rayN/ServiceLib/Handler/Fmt/FmtHandler.cs
@@ -2,6 +2,8 @@
 {
     public class FmtHandler
     {
+        private static readonly string _tag = "FmtHandler";
+
         public static string? GetShareUri(ProfileItem item)
         {
             try
@@ -23,7 +25,7 @@
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
                 return "";
             }
         }
@@ -81,7 +83,7 @@
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
                 msg = ResUI.Incorrectconfiguration;
                 return null;
             }
diff --git a/v2rayN/ServiceLib/Handler/ProfileExHandler.cs b/v2rayN/ServiceLib/Handler/ProfileExHandler.cs
index 1eee7558..b630171f 100644
--- a/v2rayN/ServiceLib/Handler/ProfileExHandler.cs
+++ b/v2rayN/ServiceLib/Handler/ProfileExHandler.cs
@@ -10,6 +10,7 @@ namespace ServiceLib.Handler
         private ConcurrentBag<ProfileExItem> _lstProfileEx = [];
         private Queue<string> _queIndexIds = new();
         public static ProfileExHandler Instance => _instance.Value;
+        private static readonly string _tag = "ProfileExHandler";
 
         public ProfileExHandler()
         {
@@ -87,7 +88,7 @@ namespace ServiceLib.Handler
                 }
                 catch (Exception ex)
                 {
-                    Logging.SaveLog("ProfileExHandler", ex);
+                    Logging.SaveLog(_tag, ex);
                 }
             }
         }
@@ -119,7 +120,7 @@ namespace ServiceLib.Handler
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
             }
         }
 
diff --git a/v2rayN/ServiceLib/Handler/StatisticsHandler.cs b/v2rayN/ServiceLib/Handler/StatisticsHandler.cs
index 1858780e..b5aabe7a 100644
--- a/v2rayN/ServiceLib/Handler/StatisticsHandler.cs
+++ b/v2rayN/ServiceLib/Handler/StatisticsHandler.cs
@@ -12,7 +12,7 @@
 
         private StatisticsXrayService? _statisticsXray;
         private StatisticsSingboxService? _statisticsSingbox;
-
+        private static readonly string _tag = "StatisticsHandler";
         public List<ServerStatItem> ServerStat => _lstServerStat;
 
         public async Task Init(Config config, Action<ServerSpeedItem> updateFunc)
@@ -39,7 +39,7 @@
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
             }
         }
 
@@ -61,7 +61,7 @@
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
             }
         }
 
diff --git a/v2rayN/ServiceLib/Handler/SysProxy/ProxySettingWindows.cs b/v2rayN/ServiceLib/Handler/SysProxy/ProxySettingWindows.cs
index 2662f959..8d6dbc13 100644
--- a/v2rayN/ServiceLib/Handler/SysProxy/ProxySettingWindows.cs
+++ b/v2rayN/ServiceLib/Handler/SysProxy/ProxySettingWindows.cs
@@ -72,7 +72,6 @@ namespace ServiceLib.Handler.SysProxy
             catch (Exception ex)
             {
                 SetProxyFallback(strProxy, exceptions, type);
-                //Logging.SaveLog(ex.Message, ex);
                 return false;
             }
         }
diff --git a/v2rayN/ServiceLib/Handler/SysProxy/SysProxyHandler.cs b/v2rayN/ServiceLib/Handler/SysProxy/SysProxyHandler.cs
index 3275b6d0..7aceb5fd 100644
--- a/v2rayN/ServiceLib/Handler/SysProxy/SysProxyHandler.cs
+++ b/v2rayN/ServiceLib/Handler/SysProxy/SysProxyHandler.cs
@@ -2,6 +2,7 @@
 {
     public static class SysProxyHandler
     {
+        private static readonly string _tag = "SysProxyHandler";
         public static async Task<bool> UpdateSysProxy(Config config, bool forceDisable)
         {
             var type = config.SystemProxyItem.SysProxyType;
@@ -59,7 +60,7 @@
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
             }
             return true;
         }
diff --git a/v2rayN/ServiceLib/Handler/WebDavHandler.cs b/v2rayN/ServiceLib/Handler/WebDavHandler.cs
index c034d06f..4deed956 100644
--- a/v2rayN/ServiceLib/Handler/WebDavHandler.cs
+++ b/v2rayN/ServiceLib/Handler/WebDavHandler.cs
@@ -13,7 +13,8 @@ namespace ServiceLib.Handler
         private string? _lastDescription;
         private string _webDir = Global.AppName + "_backup";
         private readonly string _webFileName = "backup.zip";
-        private string _logTitle = "WebDav--";
+        private readonly string _tag = "WebDav--";
+         
 
         public WebDavHandler()
         {
@@ -81,13 +82,13 @@ namespace ServiceLib.Handler
         private void SaveLog(string desc)
         {
             _lastDescription = desc;
-            Logging.SaveLog(_logTitle + desc);
+            Logging.SaveLog(_tag + desc);
         }
 
         private void SaveLog(Exception ex)
         {
             _lastDescription = ex.Message;
-            Logging.SaveLog(_logTitle, ex);
+            Logging.SaveLog(_tag, ex);
         }
 
         public async Task<bool> CheckConnection()
diff --git a/v2rayN/ServiceLib/Services/CoreConfig/CoreConfigClashService.cs b/v2rayN/ServiceLib/Services/CoreConfig/CoreConfigClashService.cs
index e48f3a5f..2a732e2b 100644
--- a/v2rayN/ServiceLib/Services/CoreConfig/CoreConfigClashService.cs
+++ b/v2rayN/ServiceLib/Services/CoreConfig/CoreConfigClashService.cs
@@ -6,6 +6,7 @@ namespace ServiceLib.Services.CoreConfig
     public class CoreConfigClashService
     {
         private Config _config;
+        private static readonly string _tag = "CoreConfigClashService";
 
         public CoreConfigClashService(Config config)
         {
@@ -131,7 +132,7 @@ namespace ServiceLib.Services.CoreConfig
                 }
                 catch (Exception ex)
                 {
-                    Logging.SaveLog("GenerateClientConfigClash-Mixin", ex);
+                    Logging.SaveLog($"{_tag}-Mixin", ex);
                 }
 
                 var txtFileNew = YamlUtils.ToYaml(fileContent).Replace(tagYamlStr2, tagYamlStr3);
@@ -151,7 +152,7 @@ namespace ServiceLib.Services.CoreConfig
             }
             catch (Exception ex)
             {
-                Logging.SaveLog("GenerateClientConfigClash", ex);
+                Logging.SaveLog(_tag, ex);
                 ret.Msg = ResUI.FailedGenDefaultConfiguration;
                 return ret;
             }
diff --git a/v2rayN/ServiceLib/Services/CoreConfig/CoreConfigSingboxService.cs b/v2rayN/ServiceLib/Services/CoreConfig/CoreConfigSingboxService.cs
index b1a907d2..91d17d44 100644
--- a/v2rayN/ServiceLib/Services/CoreConfig/CoreConfigSingboxService.cs
+++ b/v2rayN/ServiceLib/Services/CoreConfig/CoreConfigSingboxService.cs
@@ -7,6 +7,7 @@ namespace ServiceLib.Services.CoreConfig
     public class CoreConfigSingboxService
     {
         private Config _config;
+        private static readonly string _tag = "CoreConfigSingboxService";
 
         public CoreConfigSingboxService(Config config)
         {
@@ -71,7 +72,7 @@ namespace ServiceLib.Services.CoreConfig
             }
             catch (Exception ex)
             {
-                Logging.SaveLog("GenerateClientConfig4Singbox", ex);
+                Logging.SaveLog(_tag, ex);
                 ret.Msg = ResUI.FailedGenDefaultConfiguration;
                 return ret;
             }
@@ -114,7 +115,7 @@ namespace ServiceLib.Services.CoreConfig
                 }
                 catch (Exception ex)
                 {
-                    Logging.SaveLog(ex.Message, ex);
+                    Logging.SaveLog(_tag, ex);
                 }
 
                 await GenLog(singboxConfig);
@@ -235,7 +236,7 @@ namespace ServiceLib.Services.CoreConfig
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
                 ret.Msg = ResUI.FailedGenDefaultConfiguration;
                 return ret;
             }
@@ -351,7 +352,7 @@ namespace ServiceLib.Services.CoreConfig
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
                 ret.Msg = ResUI.FailedGenDefaultConfiguration;
                 return ret;
             }
@@ -432,7 +433,7 @@ namespace ServiceLib.Services.CoreConfig
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
                 ret.Msg = ResUI.FailedGenDefaultConfiguration;
                 return ret;
             }
@@ -473,7 +474,7 @@ namespace ServiceLib.Services.CoreConfig
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
             }
             return 0;
         }
@@ -562,7 +563,7 @@ namespace ServiceLib.Services.CoreConfig
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
             }
             return 0;
         }
@@ -695,7 +696,7 @@ namespace ServiceLib.Services.CoreConfig
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
             }
             return 0;
         }
@@ -718,7 +719,7 @@ namespace ServiceLib.Services.CoreConfig
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
             }
             return 0;
         }
@@ -768,7 +769,7 @@ namespace ServiceLib.Services.CoreConfig
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
             }
             return 0;
         }
@@ -845,7 +846,7 @@ namespace ServiceLib.Services.CoreConfig
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
             }
             return 0;
         }
@@ -897,7 +898,7 @@ namespace ServiceLib.Services.CoreConfig
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
             }
 
             return 0;
@@ -969,7 +970,7 @@ namespace ServiceLib.Services.CoreConfig
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
             }
             return 0;
         }
@@ -1085,7 +1086,7 @@ namespace ServiceLib.Services.CoreConfig
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
             }
             return 0;
         }
@@ -1184,7 +1185,7 @@ namespace ServiceLib.Services.CoreConfig
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
             }
             return 0;
         }
diff --git a/v2rayN/ServiceLib/Services/CoreConfig/CoreConfigV2rayService.cs b/v2rayN/ServiceLib/Services/CoreConfig/CoreConfigV2rayService.cs
index e54eebc1..8f71460a 100644
--- a/v2rayN/ServiceLib/Services/CoreConfig/CoreConfigV2rayService.cs
+++ b/v2rayN/ServiceLib/Services/CoreConfig/CoreConfigV2rayService.cs
@@ -7,6 +7,7 @@ namespace ServiceLib.Services.CoreConfig
     public class CoreConfigV2rayService
     {
         private Config _config;
+        private static readonly string _tag = "CoreConfigV2rayService";
 
         public CoreConfigV2rayService(Config config)
         {
@@ -70,7 +71,7 @@ namespace ServiceLib.Services.CoreConfig
             }
             catch (Exception ex)
             {
-                Logging.SaveLog("GenerateClientConfig4V2ray", ex);
+                Logging.SaveLog(_tag, ex);
                 ret.Msg = ResUI.FailedGenDefaultConfiguration;
                 return ret;
             }
@@ -197,7 +198,7 @@ namespace ServiceLib.Services.CoreConfig
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
                 ret.Msg = ResUI.FailedGenDefaultConfiguration;
                 return ret;
             }
@@ -240,7 +241,7 @@ namespace ServiceLib.Services.CoreConfig
                 }
                 catch (Exception ex)
                 {
-                    Logging.SaveLog(ex.Message, ex);
+                    Logging.SaveLog(_tag, ex);
                 }
 
                 await GenLog(v2rayConfig);
@@ -349,7 +350,7 @@ namespace ServiceLib.Services.CoreConfig
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
                 ret.Msg = ResUI.FailedGenDefaultConfiguration;
                 return ret;
             }
@@ -379,7 +380,7 @@ namespace ServiceLib.Services.CoreConfig
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
             }
             return 0;
         }
@@ -423,7 +424,7 @@ namespace ServiceLib.Services.CoreConfig
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
             }
             return 0;
         }
@@ -482,7 +483,7 @@ namespace ServiceLib.Services.CoreConfig
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
             }
             return 0;
         }
@@ -560,7 +561,7 @@ namespace ServiceLib.Services.CoreConfig
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
             }
             return 0;
         }
@@ -754,7 +755,7 @@ namespace ServiceLib.Services.CoreConfig
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
             }
             return 0;
         }
@@ -778,7 +779,7 @@ namespace ServiceLib.Services.CoreConfig
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
             }
             return 0;
         }
@@ -1020,7 +1021,7 @@ namespace ServiceLib.Services.CoreConfig
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
             }
             return 0;
         }
@@ -1083,7 +1084,7 @@ namespace ServiceLib.Services.CoreConfig
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
             }
             return 0;
         }
@@ -1241,7 +1242,7 @@ namespace ServiceLib.Services.CoreConfig
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
             }
 
             return 0;
diff --git a/v2rayN/ServiceLib/Services/DownloadService.cs b/v2rayN/ServiceLib/Services/DownloadService.cs
index 5801e532..e420ce78 100644
--- a/v2rayN/ServiceLib/Services/DownloadService.cs
+++ b/v2rayN/ServiceLib/Services/DownloadService.cs
@@ -13,6 +13,7 @@ namespace ServiceLib.Services
         public event EventHandler<RetResult>? UpdateCompleted;
 
         public event ErrorEventHandler? Error;
+        private static readonly string _tag = "DownloadService";
 
         public async Task<int> DownloadDataAsync(string url, WebProxy webProxy, int downloadTimeout, Action<bool, string> updateFunc)
         {
@@ -68,7 +69,7 @@ namespace ServiceLib.Services
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
 
                 Error?.Invoke(this, new ErrorEventArgs(ex));
                 if (ex.InnerException != null)
@@ -113,7 +114,7 @@ namespace ServiceLib.Services
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
                 Error?.Invoke(this, new ErrorEventArgs(ex));
                 if (ex.InnerException != null)
                 {
@@ -131,7 +132,7 @@ namespace ServiceLib.Services
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
                 Error?.Invoke(this, new ErrorEventArgs(ex));
                 if (ex.InnerException != null)
                 {
@@ -177,7 +178,7 @@ namespace ServiceLib.Services
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
                 Error?.Invoke(this, new ErrorEventArgs(ex));
                 if (ex.InnerException != null)
                 {
@@ -208,7 +209,7 @@ namespace ServiceLib.Services
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
                 Error?.Invoke(this, new ErrorEventArgs(ex));
                 if (ex.InnerException != null)
                 {
@@ -232,13 +233,13 @@ namespace ServiceLib.Services
                 }
                 catch (Exception ex)
                 {
-                    Logging.SaveLog(ex.Message, ex);
+                    Logging.SaveLog(_tag, ex);
                     return -1;
                 }
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
                 return -1;
             }
         }
diff --git a/v2rayN/ServiceLib/Services/SpeedtestService.cs b/v2rayN/ServiceLib/Services/SpeedtestService.cs
index 928fb0ee..05a5ffd7 100644
--- a/v2rayN/ServiceLib/Services/SpeedtestService.cs
+++ b/v2rayN/ServiceLib/Services/SpeedtestService.cs
@@ -11,6 +11,7 @@ namespace ServiceLib.Services
         private Action<SpeedTestResult>? _updateFunc;
 
         private bool _exitLoop = false;
+        private static readonly string _tag = "SpeedtestService";
 
         public SpeedtestService(Config config, List<ProfileItem> selecteds, ESpeedActionType actionType, Action<SpeedTestResult> updateFunc)
         {
@@ -146,7 +147,7 @@ namespace ServiceLib.Services
                         }
                         catch (Exception ex)
                         {
-                            Logging.SaveLog(ex.Message, ex);
+                            Logging.SaveLog(_tag, ex);
                         }
                     }));
                 }
@@ -154,7 +155,7 @@ namespace ServiceLib.Services
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
             }
             finally
             {
@@ -201,7 +202,7 @@ namespace ServiceLib.Services
                         }
                         catch (Exception ex)
                         {
-                            Logging.SaveLog(ex.Message, ex);
+                            Logging.SaveLog(_tag, ex);
                         }
                     }));
                 }
@@ -209,7 +210,7 @@ namespace ServiceLib.Services
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
             }
             finally
             {
@@ -389,7 +390,7 @@ namespace ServiceLib.Services
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
             }
             return responseTime;
         }
diff --git a/v2rayN/ServiceLib/Services/Statistics/StatisticsSingboxService.cs b/v2rayN/ServiceLib/Services/Statistics/StatisticsSingboxService.cs
index ef70e3f7..2b5a737a 100644
--- a/v2rayN/ServiceLib/Services/Statistics/StatisticsSingboxService.cs
+++ b/v2rayN/ServiceLib/Services/Statistics/StatisticsSingboxService.cs
@@ -10,6 +10,7 @@ namespace ServiceLib.Services.Statistics
         private ClientWebSocket? webSocket;
         private Action<ServerSpeedItem>? _updateFunc;
         private string Url => $"ws://{Global.Loopback}:{AppHandler.Instance.StatePort2}/traffic";
+        private static readonly string _tag = "StatisticsSingboxService";
 
         public StatisticsSingboxService(Config config, Action<ServerSpeedItem> updateFunc)
         {
@@ -48,7 +49,7 @@ namespace ServiceLib.Services.Statistics
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
             }
         }
 
diff --git a/v2rayN/ServiceLib/Services/UpdateService.cs b/v2rayN/ServiceLib/Services/UpdateService.cs
index bd0f6a2b..d737459c 100644
--- a/v2rayN/ServiceLib/Services/UpdateService.cs
+++ b/v2rayN/ServiceLib/Services/UpdateService.cs
@@ -7,6 +7,7 @@ namespace ServiceLib.Services
     {
         private Action<bool, string>? _updateFunc;
         private int _timeout = 30;
+        private static readonly string _tag = "UpdateService";
 
         public async Task CheckUpdateGuiN(Config config, Action<bool, string> updateFunc, bool preRelease)
         {
@@ -272,7 +273,7 @@ namespace ServiceLib.Services
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
                 _updateFunc?.Invoke(false, ex.Message);
                 return new RetResult(false, ex.Message);
             }
@@ -356,7 +357,7 @@ namespace ServiceLib.Services
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
                 _updateFunc?.Invoke(false, ex.Message);
                 return new SemanticVersion("");
             }
@@ -415,7 +416,7 @@ namespace ServiceLib.Services
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
                 _updateFunc?.Invoke(false, ex.Message);
                 return new RetResult(false, ex.Message);
             }
diff --git a/v2rayN/ServiceLib/ViewModels/MainWindowViewModel.cs b/v2rayN/ServiceLib/ViewModels/MainWindowViewModel.cs
index cd1c2d13..e8def23f 100644
--- a/v2rayN/ServiceLib/ViewModels/MainWindowViewModel.cs
+++ b/v2rayN/ServiceLib/ViewModels/MainWindowViewModel.cs
@@ -279,9 +279,8 @@ namespace ServiceLib.ViewModels
                     Locator.Current.GetService<ProfilesViewModel>()?.UpdateStatistics(update);
                 }
             }
-            catch (Exception ex)
+            catch
             {
-                Logging.SaveLog(ex.Message, ex);
             }
         }
 
diff --git a/v2rayN/v2rayN.Desktop/Views/OptionSettingWindow.axaml.cs b/v2rayN/v2rayN.Desktop/Views/OptionSettingWindow.axaml.cs
index 26251bf1..f4a583d6 100644
--- a/v2rayN/v2rayN.Desktop/Views/OptionSettingWindow.axaml.cs
+++ b/v2rayN/v2rayN.Desktop/Views/OptionSettingWindow.axaml.cs
@@ -235,7 +235,7 @@ namespace v2rayN.Desktop.Views
             }
             catch (Exception ex)
             {
-                Logging.SaveLog("fill fonts error", ex);
+                Logging.SaveLog("GetFonts", ex);
             }
             return lstFonts;
         }
diff --git a/v2rayN/v2rayN/Common/WindowsUtils.cs b/v2rayN/v2rayN/Common/WindowsUtils.cs
index fdb9be0c..d07920f3 100644
--- a/v2rayN/v2rayN/Common/WindowsUtils.cs
+++ b/v2rayN/v2rayN/Common/WindowsUtils.cs
@@ -13,6 +13,7 @@ namespace v2rayN
 {
     internal static class WindowsUtils
     {
+        private static readonly string _tag = "WindowsUtils";
         /// <summary>
         /// 获取剪贴板数
         /// </summary>
@@ -31,7 +32,7 @@ namespace v2rayN
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
             }
             return strData;
         }
diff --git a/v2rayN/v2rayN/Handler/WindowsHandler.cs b/v2rayN/v2rayN/Handler/WindowsHandler.cs
index ddc7d2f3..95404085 100644
--- a/v2rayN/v2rayN/Handler/WindowsHandler.cs
+++ b/v2rayN/v2rayN/Handler/WindowsHandler.cs
@@ -8,6 +8,7 @@ namespace v2rayN.Handler
     {
         private static readonly Lazy<WindowsHandler> instance = new(() => new());
         public static WindowsHandler Instance => instance.Value;
+        private static readonly string _tag = "WindowsHandler";
 
         public async Task<Icon> GetNotifyIcon(Config config)
         {
@@ -39,7 +40,7 @@ namespace v2rayN.Handler
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
                 return Properties.Resources.NotifyIcon1;
             }
         }
@@ -89,7 +90,7 @@ namespace v2rayN.Handler
             }
             catch (Exception ex)
             {
-                Logging.SaveLog(ex.Message, ex);
+                Logging.SaveLog(_tag, ex);
                 return null;
             }
         }
diff --git a/v2rayN/v2rayN/Views/OptionSettingWindow.xaml.cs b/v2rayN/v2rayN/Views/OptionSettingWindow.xaml.cs
index 9302c0d0..d1c859d5 100644
--- a/v2rayN/v2rayN/Views/OptionSettingWindow.xaml.cs
+++ b/v2rayN/v2rayN/Views/OptionSettingWindow.xaml.cs
@@ -246,7 +246,7 @@ namespace v2rayN.Views
             }
             catch (Exception ex)
             {
-                Logging.SaveLog("fill fonts error", ex);
+                Logging.SaveLog("GetFonts", ex);
             }
             return lstFonts.OrderBy(t => t).ToList();
         }