diff --git a/v2rayN/v2rayN/App.xaml.cs b/v2rayN/v2rayN/App.xaml.cs
index caa6570c..70147738 100644
--- a/v2rayN/v2rayN/App.xaml.cs
+++ b/v2rayN/v2rayN/App.xaml.cs
@@ -2,7 +2,6 @@
 using System.Windows.Threading;
 using v2rayN.Handler;
 using v2rayN.Mode;
-using v2rayN.Tool;
 
 namespace v2rayN
 {
@@ -45,7 +44,7 @@ namespace v2rayN
             Logging.Setup();
             Init();
             Logging.LoggingEnabled(_config.guiItem.enableLog);
-            Utils.SaveLog($"v2rayN start up | {Utils.GetVersion()} | {Utils.GetExePath()}");
+            Logging.SaveLog($"v2rayN start up | {Utils.GetVersion()} | {Utils.GetExePath()}");
             Logging.ClearLogs();
 
             Thread.CurrentThread.CurrentUICulture = new(_config.uiItem.currentLanguage);
@@ -70,7 +69,7 @@ namespace v2rayN
 
         private void App_DispatcherUnhandledException(object sender, DispatcherUnhandledExceptionEventArgs e)
         {
-            Utils.SaveLog("App_DispatcherUnhandledException", e.Exception);
+            Logging.SaveLog("App_DispatcherUnhandledException", e.Exception);
             e.Handled = true;
         }
 
@@ -78,13 +77,13 @@ namespace v2rayN
         {
             if (e.ExceptionObject != null)
             {
-                Utils.SaveLog("CurrentDomain_UnhandledException", (Exception)e.ExceptionObject!);
+                Logging.SaveLog("CurrentDomain_UnhandledException", (Exception)e.ExceptionObject!);
             }
         }
 
         private void TaskScheduler_UnobservedTaskException(object? sender, UnobservedTaskExceptionEventArgs e)
         {
-            Utils.SaveLog("TaskScheduler_UnobservedTaskException", e.Exception);
+            Logging.SaveLog("TaskScheduler_UnobservedTaskException", e.Exception);
         }
     }
 }
\ No newline at end of file
diff --git a/v2rayN/v2rayN/Base/HttpClientHelper.cs b/v2rayN/v2rayN/Base/HttpClientHelper.cs
index 72d9d3c6..8137c873 100644
--- a/v2rayN/v2rayN/Base/HttpClientHelper.cs
+++ b/v2rayN/v2rayN/Base/HttpClientHelper.cs
@@ -35,7 +35,7 @@ namespace v2rayN.Base
 
         public async Task PutAsync(string url, Dictionary<string, string> headers)
         {
-            var jsonContent = Utils.ToJson(headers);
+            var jsonContent = JsonUtils.ToJson(headers);
             var content = new StringContent(jsonContent, Encoding.UTF8, MediaTypeNames.Application.Json);
 
             var result = await httpClient.PutAsync(url, content);
diff --git a/v2rayN/v2rayN/Handler/ConfigHandler.cs b/v2rayN/v2rayN/Handler/ConfigHandler.cs
index 70f7993d..687a45e2 100644
--- a/v2rayN/v2rayN/Handler/ConfigHandler.cs
+++ b/v2rayN/v2rayN/Handler/ConfigHandler.cs
@@ -29,13 +29,13 @@ namespace v2rayN.Handler
             if (!Utils.IsNullOrEmpty(result))
             {
                 //转成Json
-                config = Utils.FromJson<Config>(result);
+                config = JsonUtils.FromJson<Config>(result);
             }
             else
             {
                 if (File.Exists(Utils.GetConfigPath(configRes)))
                 {
-                    Utils.SaveLog("LoadConfig Exception");
+                    Logging.SaveLog("LoadConfig Exception");
                     return -1;
                 }
             }
@@ -234,7 +234,7 @@ namespace v2rayN.Handler
                     //save temp file
                     var resPath = Utils.GetConfigPath(configRes);
                     var tempPath = $"{resPath}_temp";
-                    if (Utils.ToJsonFile(config, tempPath) != 0)
+                    if (JsonUtils.ToJsonFile(config, tempPath) != 0)
                     {
                         return;
                     }
@@ -248,7 +248,7 @@ namespace v2rayN.Handler
                 }
                 catch (Exception ex)
                 {
-                    Utils.SaveLog("ToJsonFile", ex);
+                    Logging.SaveLog("ToJsonFile", ex);
                 }
             }
         }
@@ -261,13 +261,13 @@ namespace v2rayN.Handler
                 return -1;
             }
 
-            var configOld = Utils.FromJson<ConfigOld>(result);
+            var configOld = JsonUtils.FromJson<ConfigOld>(result);
             if (configOld == null)
             {
                 return -1;
             }
 
-            var subItem = Utils.FromJson<List<SubItem>>(Utils.ToJson(configOld.subItem));
+            var subItem = JsonUtils.FromJson<List<SubItem>>(JsonUtils.ToJson(configOld.subItem));
             foreach (var it in subItem)
             {
                 if (Utils.IsNullOrEmpty(it.id))
@@ -277,7 +277,7 @@ namespace v2rayN.Handler
                 SqliteHelper.Instance.Replace(it);
             }
 
-            var profileItems = Utils.FromJson<List<ProfileItem>>(Utils.ToJson(configOld.vmess));
+            var profileItems = JsonUtils.FromJson<List<ProfileItem>>(JsonUtils.ToJson(configOld.vmess));
             foreach (var it in profileItems)
             {
                 if (Utils.IsNullOrEmpty(it.indexId))
@@ -293,13 +293,13 @@ namespace v2rayN.Handler
                 {
                     continue;
                 }
-                var routing = Utils.FromJson<RoutingItem>(Utils.ToJson(it));
+                var routing = JsonUtils.FromJson<RoutingItem>(JsonUtils.ToJson(it));
                 foreach (var it2 in it.rules)
                 {
                     it2.id = Utils.GetGUID(false);
                 }
                 routing.ruleNum = it.rules.Count;
-                routing.ruleSet = Utils.ToJson(it.rules, false);
+                routing.ruleSet = JsonUtils.ToJson(it.rules, false);
 
                 if (Utils.IsNullOrEmpty(routing.id))
                 {
@@ -308,7 +308,7 @@ namespace v2rayN.Handler
                 SqliteHelper.Instance.Replace(routing);
             }
 
-            config = Utils.FromJson<Config>(Utils.ToJson(configOld));
+            config = JsonUtils.FromJson<Config>(JsonUtils.ToJson(configOld));
 
             if (config.coreBasicItem == null)
             {
@@ -424,7 +424,7 @@ namespace v2rayN.Handler
                     continue;
                 }
 
-                ProfileItem profileItem = Utils.DeepCopy(item);
+                ProfileItem profileItem = JsonUtils.DeepCopy(item);
                 profileItem.indexId = string.Empty;
                 profileItem.remarks = $"{item.remarks}-clone";
 
@@ -595,7 +595,7 @@ namespace v2rayN.Handler
             }
             catch (Exception ex)
             {
-                Utils.SaveLog(ex.Message, ex);
+                Logging.SaveLog(ex.Message, ex);
                 return -1;
             }
 
@@ -1007,7 +1007,7 @@ namespace v2rayN.Handler
             }
             catch (Exception ex)
             {
-                Utils.SaveLog("Remove Item", ex);
+                Logging.SaveLog("Remove Item", ex);
             }
 
             return 0;
@@ -1163,7 +1163,7 @@ namespace v2rayN.Handler
 
             ProfileItem profileItem = new();
             //Is v2ray configuration
-            V2rayConfig? v2rayConfig = Utils.FromJson<V2rayConfig>(clipboardData);
+            V2rayConfig? v2rayConfig = JsonUtils.FromJson<V2rayConfig>(clipboardData);
             if (v2rayConfig?.inbounds?.Count > 0
                 && v2rayConfig.outbounds?.Count > 0)
             {
@@ -1254,10 +1254,10 @@ namespace v2rayN.Handler
             }
 
             //SsSIP008
-            var lstSsServer = Utils.FromJson<List<SsServer>>(clipboardData);
+            var lstSsServer = JsonUtils.FromJson<List<SsServer>>(clipboardData);
             if (lstSsServer?.Count <= 0)
             {
-                var ssSIP008 = Utils.FromJson<SsSIP008>(clipboardData);
+                var ssSIP008 = JsonUtils.FromJson<SsSIP008>(clipboardData);
                 if (ssSIP008?.servers?.Count > 0)
                 {
                     lstSsServer = ssSIP008.servers;
@@ -1469,7 +1469,7 @@ namespace v2rayN.Handler
                 return -1;
             }
 
-            var lstRules = Utils.FromJson<List<RulesItem>>(clipboardData);
+            var lstRules = JsonUtils.FromJson<List<RulesItem>>(clipboardData);
             if (lstRules == null)
             {
                 return -1;
@@ -1480,7 +1480,7 @@ namespace v2rayN.Handler
                 item.id = Utils.GetGUID(false);
             }
             routingItem.ruleNum = lstRules.Count;
-            routingItem.ruleSet = Utils.ToJson(lstRules, false);
+            routingItem.ruleSet = JsonUtils.ToJson(lstRules, false);
 
             if (Utils.IsNullOrEmpty(routingItem.id))
             {
@@ -1519,7 +1519,7 @@ namespace v2rayN.Handler
                         {
                             return 0;
                         }
-                        var item = Utils.DeepCopy(rules[index]);
+                        var item = JsonUtils.DeepCopy(rules[index]);
                         rules.RemoveAt(index);
                         rules.Insert(0, item);
 
@@ -1531,7 +1531,7 @@ namespace v2rayN.Handler
                         {
                             return 0;
                         }
-                        var item = Utils.DeepCopy(rules[index]);
+                        var item = JsonUtils.DeepCopy(rules[index]);
                         rules.RemoveAt(index);
                         rules.Insert(index - 1, item);
 
@@ -1544,7 +1544,7 @@ namespace v2rayN.Handler
                         {
                             return 0;
                         }
-                        var item = Utils.DeepCopy(rules[index]);
+                        var item = JsonUtils.DeepCopy(rules[index]);
                         rules.RemoveAt(index);
                         rules.Insert(index + 1, item);
 
@@ -1556,7 +1556,7 @@ namespace v2rayN.Handler
                         {
                             return 0;
                         }
-                        var item = Utils.DeepCopy(rules[index]);
+                        var item = JsonUtils.DeepCopy(rules[index]);
                         rules.RemoveAt(index);
                         rules.Add(item);
 
@@ -1565,7 +1565,7 @@ namespace v2rayN.Handler
                 case EMove.Position:
                     {
                         var removeItem = rules[index];
-                        var item = Utils.DeepCopy(rules[index]);
+                        var item = JsonUtils.DeepCopy(rules[index]);
                         rules.Insert(pos, item);
                         rules.Remove(removeItem);
                         break;
diff --git a/v2rayN/v2rayN/Handler/CoreConfigHandler.cs b/v2rayN/v2rayN/Handler/CoreConfigHandler.cs
index 2fca828a..525f1cf5 100644
--- a/v2rayN/v2rayN/Handler/CoreConfigHandler.cs
+++ b/v2rayN/v2rayN/Handler/CoreConfigHandler.cs
@@ -35,11 +35,11 @@ namespace v2rayN.Handler
                     }
                     if (Utils.IsNullOrEmpty(fileName))
                     {
-                        content = Utils.ToJson(singboxConfig);
+                        content = JsonUtils.ToJson(singboxConfig);
                     }
                     else
                     {
-                        Utils.ToJsonFile(singboxConfig, fileName, false);
+                        JsonUtils.ToJsonFile(singboxConfig, fileName, false);
                     }
                 }
                 else
@@ -51,17 +51,17 @@ namespace v2rayN.Handler
                     }
                     if (Utils.IsNullOrEmpty(fileName))
                     {
-                        content = Utils.ToJson(v2rayConfig);
+                        content = JsonUtils.ToJson(v2rayConfig);
                     }
                     else
                     {
-                        Utils.ToJsonFile(v2rayConfig, fileName, false);
+                        JsonUtils.ToJsonFile(v2rayConfig, fileName, false);
                     }
                 }
             }
             catch (Exception ex)
             {
-                Utils.SaveLog("GenerateClientConfig", ex);
+                Logging.SaveLog("GenerateClientConfig", ex);
                 msg = ResUI.FailedGenDefaultConfiguration;
                 return -1;
             }
@@ -143,7 +143,7 @@ namespace v2rayN.Handler
             }
             catch (Exception ex)
             {
-                Utils.SaveLog("GenerateClientCustomConfig", ex);
+                Logging.SaveLog("GenerateClientCustomConfig", ex);
                 msg = ResUI.FailedGenDefaultConfiguration;
                 return -1;
             }
@@ -158,7 +158,7 @@ namespace v2rayN.Handler
                 {
                     return -1;
                 }
-                Utils.ToJsonFile(singboxConfig, fileName, false);
+                JsonUtils.ToJsonFile(singboxConfig, fileName, false);
             }
             else
             {
@@ -166,8 +166,7 @@ namespace v2rayN.Handler
                 {
                     return -1;
                 }
-
-                Utils.ToJsonFile(v2rayConfig, fileName, false);
+                JsonUtils.ToJsonFile(v2rayConfig, fileName, false);
             }
             return 0;
         }
diff --git a/v2rayN/v2rayN/Handler/CoreConfigSingbox.cs b/v2rayN/v2rayN/Handler/CoreConfigSingbox.cs
index a42fe30c..7e1f24ce 100644
--- a/v2rayN/v2rayN/Handler/CoreConfigSingbox.cs
+++ b/v2rayN/v2rayN/Handler/CoreConfigSingbox.cs
@@ -36,7 +36,7 @@ namespace v2rayN.Handler
                     return -1;
                 }
 
-                singboxConfig = Utils.FromJson<SingboxConfig>(result);
+                singboxConfig = JsonUtils.FromJson<SingboxConfig>(result);
                 if (singboxConfig == null)
                 {
                     msg = ResUI.FailedGenDefaultConfiguration;
@@ -61,7 +61,7 @@ namespace v2rayN.Handler
             }
             catch (Exception ex)
             {
-                Utils.SaveLog("GenerateClientConfig4Singbox", ex);
+                Logging.SaveLog("GenerateClientConfig4Singbox", ex);
                 msg = ResUI.FailedGenDefaultConfiguration;
                 return -1;
             }
@@ -101,7 +101,7 @@ namespace v2rayN.Handler
             }
             catch (Exception ex)
             {
-                Utils.SaveLog(ex.Message, ex);
+                Logging.SaveLog(ex.Message, ex);
             }
             return 0;
         }
@@ -178,7 +178,7 @@ namespace v2rayN.Handler
                         _config.tunModeItem.stack = Global.TunStacks[0];
                     }
 
-                    var tunInbound = Utils.FromJson<Inbound4Sbox>(Utils.GetEmbedText(Global.TunSingboxInboundFileName));
+                    var tunInbound = JsonUtils.FromJson<Inbound4Sbox>(Utils.GetEmbedText(Global.TunSingboxInboundFileName));
                     tunInbound.mtu = _config.tunModeItem.mtu;
                     tunInbound.strict_route = _config.tunModeItem.strictRoute;
                     tunInbound.stack = _config.tunModeItem.stack;
@@ -192,14 +192,14 @@ namespace v2rayN.Handler
             }
             catch (Exception ex)
             {
-                Utils.SaveLog(ex.Message, ex);
+                Logging.SaveLog(ex.Message, ex);
             }
             return 0;
         }
 
         private Inbound4Sbox? GetInbound(Inbound4Sbox inItem, string tag, int offset, bool bSocks)
         {
-            var inbound = Utils.DeepCopy(inItem);
+            var inbound = JsonUtils.DeepCopy(inItem);
             inbound.tag = tag;
             inbound.listen_port = inItem.listen_port + offset;
             inbound.type = bSocks ? Global.InboundSocks : Global.InboundHttp;
@@ -304,7 +304,7 @@ namespace v2rayN.Handler
             }
             catch (Exception ex)
             {
-                Utils.SaveLog(ex.Message, ex);
+                Logging.SaveLog(ex.Message, ex);
             }
             return 0;
         }
@@ -329,7 +329,7 @@ namespace v2rayN.Handler
             }
             catch (Exception ex)
             {
-                Utils.SaveLog(ex.Message, ex);
+                Logging.SaveLog(ex.Message, ex);
             }
             return 0;
         }
@@ -379,7 +379,7 @@ namespace v2rayN.Handler
             }
             catch (Exception ex)
             {
-                Utils.SaveLog(ex.Message, ex);
+                Logging.SaveLog(ex.Message, ex);
             }
             return 0;
         }
@@ -431,7 +431,7 @@ namespace v2rayN.Handler
             }
             catch (Exception ex)
             {
-                Utils.SaveLog(ex.Message, ex);
+                Logging.SaveLog(ex.Message, ex);
             }
             return 0;
         }
@@ -459,7 +459,7 @@ namespace v2rayN.Handler
                 if (prevNode is not null
                     && prevNode.configType != EConfigType.Custom)
                 {
-                    var prevOutbound = Utils.FromJson<Outbound4Sbox>(txtOutbound);
+                    var prevOutbound = JsonUtils.FromJson<Outbound4Sbox>(txtOutbound);
                     GenOutbound(prevNode, prevOutbound);
                     prevOutbound.tag = $"{Global.ProxyTag}2";
                     singboxConfig.outbounds.Add(prevOutbound);
@@ -472,7 +472,7 @@ namespace v2rayN.Handler
                 if (nextNode is not null
                     && nextNode.configType != EConfigType.Custom)
                 {
-                    var nextOutbound = Utils.FromJson<Outbound4Sbox>(txtOutbound);
+                    var nextOutbound = JsonUtils.FromJson<Outbound4Sbox>(txtOutbound);
                     GenOutbound(nextNode, nextOutbound);
                     nextOutbound.tag = Global.ProxyTag;
                     singboxConfig.outbounds.Insert(0, nextOutbound);
@@ -483,7 +483,7 @@ namespace v2rayN.Handler
             }
             catch (Exception ex)
             {
-                Utils.SaveLog(ex.Message, ex);
+                Logging.SaveLog(ex.Message, ex);
             }
 
             return 0;
@@ -497,7 +497,7 @@ namespace v2rayN.Handler
                 {
                     singboxConfig.route.auto_detect_interface = true;
 
-                    var tunRules = Utils.FromJson<List<Rule4Sbox>>(Utils.GetEmbedText(Global.TunSingboxRulesFileName));
+                    var tunRules = JsonUtils.FromJson<List<Rule4Sbox>>(Utils.GetEmbedText(Global.TunSingboxRulesFileName));
                     singboxConfig.route.rules.AddRange(tunRules);
 
                     GenRoutingDirectExe(out List<string> lstDnsExe, out List<string> lstDirectExe);
@@ -520,7 +520,7 @@ namespace v2rayN.Handler
                     var routing = ConfigHandler.GetDefaultRouting(_config);
                     if (routing != null)
                     {
-                        var rules = Utils.FromJson<List<RulesItem>>(routing.ruleSet);
+                        var rules = JsonUtils.FromJson<List<RulesItem>>(routing.ruleSet);
                         foreach (var item in rules!)
                         {
                             if (item.enabled)
@@ -535,7 +535,7 @@ namespace v2rayN.Handler
                     var lockedItem = ConfigHandler.GetLockedRoutingItem(_config);
                     if (lockedItem != null)
                     {
-                        var rules = Utils.FromJson<List<RulesItem>>(lockedItem.ruleSet);
+                        var rules = JsonUtils.FromJson<List<RulesItem>>(lockedItem.ruleSet);
                         foreach (var item in rules!)
                         {
                             GenRoutingUserRule(item, singboxConfig.route.rules);
@@ -545,7 +545,7 @@ namespace v2rayN.Handler
             }
             catch (Exception ex)
             {
-                Utils.SaveLog(ex.Message, ex);
+                Logging.SaveLog(ex.Message, ex);
             }
             return 0;
         }
@@ -609,8 +609,8 @@ namespace v2rayN.Handler
                 {
                     rule.inbound = item.inboundTag;
                 }
-                var rule2 = Utils.DeepCopy(rule);
-                var rule3 = Utils.DeepCopy(rule);
+                var rule2 = JsonUtils.DeepCopy(rule);
+                var rule3 = JsonUtils.DeepCopy(rule);
 
                 var hasDomainIp = false;
                 if (item.domain?.Count > 0)
@@ -647,7 +647,7 @@ namespace v2rayN.Handler
             }
             catch (Exception ex)
             {
-                Utils.SaveLog(ex.Message, ex);
+                Logging.SaveLog(ex.Message, ex);
             }
             return 0;
         }
@@ -727,7 +727,7 @@ namespace v2rayN.Handler
                     {
                         tunDNS = Utils.GetEmbedText(Global.TunSingboxDNSFileName);
                     }
-                    dns4Sbox = Utils.FromJson<Dns4Sbox>(tunDNS);
+                    dns4Sbox = JsonUtils.FromJson<Dns4Sbox>(tunDNS);
                 }
                 else
                 {
@@ -738,7 +738,7 @@ namespace v2rayN.Handler
                         normalDNS = "{\"servers\":[{\"address\":\"tcp://8.8.8.8\"}]}";
                     }
 
-                    dns4Sbox = Utils.FromJson<Dns4Sbox>(normalDNS);
+                    dns4Sbox = JsonUtils.FromJson<Dns4Sbox>(normalDNS);
                 }
                 if (dns4Sbox is null)
                 {
@@ -765,7 +765,7 @@ namespace v2rayN.Handler
             }
             catch (Exception ex)
             {
-                Utils.SaveLog(ex.Message, ex);
+                Logging.SaveLog(ex.Message, ex);
             }
             return 0;
         }
@@ -822,7 +822,7 @@ namespace v2rayN.Handler
                     return -1;
                 }
 
-                singboxConfig = Utils.FromJson<SingboxConfig>(result);
+                singboxConfig = JsonUtils.FromJson<SingboxConfig>(result);
                 if (singboxConfig == null)
                 {
                     msg = ResUI.FailedGenDefaultConfiguration;
@@ -838,7 +838,7 @@ namespace v2rayN.Handler
                 }
                 catch (Exception ex)
                 {
-                    Utils.SaveLog(ex.Message, ex);
+                    Logging.SaveLog(ex.Message, ex);
                 }
 
                 GenLog(singboxConfig);
@@ -920,7 +920,7 @@ namespace v2rayN.Handler
                         continue;
                     }
 
-                    var outbound = Utils.FromJson<Outbound4Sbox>(txtOutbound);
+                    var outbound = JsonUtils.FromJson<Outbound4Sbox>(txtOutbound);
                     GenOutbound(item, outbound);
                     outbound.tag = Global.ProxyTag + inbound.listen_port.ToString();
                     singboxConfig.outbounds.Add(outbound);
@@ -939,7 +939,7 @@ namespace v2rayN.Handler
             }
             catch (Exception ex)
             {
-                Utils.SaveLog(ex.Message, ex);
+                Logging.SaveLog(ex.Message, ex);
                 msg = ResUI.FailedGenDefaultConfiguration;
                 return -1;
             }
diff --git a/v2rayN/v2rayN/Handler/CoreConfigV2ray.cs b/v2rayN/v2rayN/Handler/CoreConfigV2ray.cs
index 1f1eb390..8206bd54 100644
--- a/v2rayN/v2rayN/Handler/CoreConfigV2ray.cs
+++ b/v2rayN/v2rayN/Handler/CoreConfigV2ray.cs
@@ -38,7 +38,7 @@ namespace v2rayN.Handler
                     return -1;
                 }
 
-                v2rayConfig = Utils.FromJson<V2rayConfig>(result);
+                v2rayConfig = JsonUtils.FromJson<V2rayConfig>(result);
                 if (v2rayConfig == null)
                 {
                     msg = ResUI.FailedGenDefaultConfiguration;
@@ -63,7 +63,7 @@ namespace v2rayN.Handler
             }
             catch (Exception ex)
             {
-                Utils.SaveLog("GenerateClientConfig4V2ray", ex);
+                Logging.SaveLog("GenerateClientConfig4V2ray", ex);
                 msg = ResUI.FailedGenDefaultConfiguration;
                 return -1;
             }
@@ -92,7 +92,7 @@ namespace v2rayN.Handler
             }
             catch (Exception ex)
             {
-                Utils.SaveLog(ex.Message, ex);
+                Logging.SaveLog(ex.Message, ex);
             }
             return 0;
         }
@@ -141,7 +141,7 @@ namespace v2rayN.Handler
             }
             catch (Exception ex)
             {
-                Utils.SaveLog(ex.Message, ex);
+                Logging.SaveLog(ex.Message, ex);
             }
             return 0;
         }
@@ -154,7 +154,7 @@ namespace v2rayN.Handler
                 return null;
             }
 
-            var inbound = Utils.FromJson<Inbounds4Ray>(result);
+            var inbound = JsonUtils.FromJson<Inbounds4Ray>(result);
             if (inbound == null)
             {
                 return null;
@@ -187,12 +187,12 @@ namespace v2rayN.Handler
                             {
                                 v2rayConfig.routing.domainStrategy = routing.domainStrategy;
                             }
-                            var rules = Utils.FromJson<List<RulesItem>>(routing.ruleSet);
+                            var rules = JsonUtils.FromJson<List<RulesItem>>(routing.ruleSet);
                             foreach (var item in rules)
                             {
                                 if (item.enabled)
                                 {
-                                    var item2 = Utils.FromJson<RulesItem4Ray>(Utils.ToJson(item));
+                                    var item2 = JsonUtils.FromJson<RulesItem4Ray>(JsonUtils.ToJson(item));
                                     GenRoutingUserRule(item2, v2rayConfig);
                                 }
                             }
@@ -203,10 +203,10 @@ namespace v2rayN.Handler
                         var lockedItem = ConfigHandler.GetLockedRoutingItem(_config);
                         if (lockedItem != null)
                         {
-                            var rules = Utils.FromJson<List<RulesItem>>(lockedItem.ruleSet);
+                            var rules = JsonUtils.FromJson<List<RulesItem>>(lockedItem.ruleSet);
                             foreach (var item in rules)
                             {
-                                var item2 = Utils.FromJson<RulesItem4Ray>(Utils.ToJson(item));
+                                var item2 = JsonUtils.FromJson<RulesItem4Ray>(JsonUtils.ToJson(item));
                                 GenRoutingUserRule(item2, v2rayConfig);
                             }
                         }
@@ -215,7 +215,7 @@ namespace v2rayN.Handler
             }
             catch (Exception ex)
             {
-                Utils.SaveLog(ex.Message, ex);
+                Logging.SaveLog(ex.Message, ex);
             }
             return 0;
         }
@@ -252,7 +252,7 @@ namespace v2rayN.Handler
                 var hasDomainIp = false;
                 if (rules.domain?.Count > 0)
                 {
-                    var it = Utils.DeepCopy(rules);
+                    var it = JsonUtils.DeepCopy(rules);
                     it.ip = null;
                     it.type = "field";
                     for (int k = it.domain.Count - 1; k >= 0; k--)
@@ -268,7 +268,7 @@ namespace v2rayN.Handler
                 }
                 if (rules.ip?.Count > 0)
                 {
-                    var it = Utils.DeepCopy(rules);
+                    var it = JsonUtils.DeepCopy(rules);
                     it.domain = null;
                     it.type = "field";
                     v2rayConfig.routing.rules.Add(it);
@@ -281,7 +281,7 @@ namespace v2rayN.Handler
                         || (rules.inboundTag?.Count > 0)
                         )
                     {
-                        var it = Utils.DeepCopy(rules);
+                        var it = JsonUtils.DeepCopy(rules);
                         it.type = "field";
                         v2rayConfig.routing.rules.Add(it);
                     }
@@ -289,7 +289,7 @@ namespace v2rayN.Handler
             }
             catch (Exception ex)
             {
-                Utils.SaveLog(ex.Message, ex);
+                Logging.SaveLog(ex.Message, ex);
             }
             return 0;
         }
@@ -478,7 +478,7 @@ namespace v2rayN.Handler
             }
             catch (Exception ex)
             {
-                Utils.SaveLog(ex.Message, ex);
+                Logging.SaveLog(ex.Message, ex);
             }
             return 0;
         }
@@ -500,7 +500,7 @@ namespace v2rayN.Handler
             }
             catch (Exception ex)
             {
-                Utils.SaveLog(ex.Message, ex);
+                Logging.SaveLog(ex.Message, ex);
             }
             return 0;
         }
@@ -688,7 +688,7 @@ namespace v2rayN.Handler
                                 pathHttp = string.Join("\",\"", arrPath);
                             }
                             request = request.Replace("$requestPath$", $"\"{pathHttp}\"");
-                            tcpSettings.header.request = Utils.FromJson<object>(request);
+                            tcpSettings.header.request = JsonUtils.FromJson<object>(request);
 
                             streamSettings.tcpSettings = tcpSettings;
                         }
@@ -697,7 +697,7 @@ namespace v2rayN.Handler
             }
             catch (Exception ex)
             {
-                Utils.SaveLog(ex.Message, ex);
+                Logging.SaveLog(ex.Message, ex);
             }
             return 0;
         }
@@ -722,7 +722,7 @@ namespace v2rayN.Handler
                     outbound.settings.userLevel = 0;
                 }
 
-                var obj = Utils.ParseJson(normalDNS) ?? new JObject();
+                var obj = JsonUtils.ParseJson(normalDNS) ?? new JObject();
 
                 if (!obj.ContainsKey("servers"))
                 {
@@ -769,7 +769,7 @@ namespace v2rayN.Handler
             }
             catch (Exception ex)
             {
-                Utils.SaveLog(ex.Message, ex);
+                Logging.SaveLog(ex.Message, ex);
             }
             return 0;
         }
@@ -849,7 +849,7 @@ namespace v2rayN.Handler
                     && prevNode.configType != EConfigType.Hysteria2
                     && prevNode.configType != EConfigType.Tuic)
                 {
-                    var prevOutbound = Utils.FromJson<Outbounds4Ray>(txtOutbound);
+                    var prevOutbound = JsonUtils.FromJson<Outbounds4Ray>(txtOutbound);
                     GenOutbound(prevNode, prevOutbound);
                     prevOutbound.tag = $"{Global.ProxyTag}2";
                     v2rayConfig.outbounds.Add(prevOutbound);
@@ -867,7 +867,7 @@ namespace v2rayN.Handler
                     && nextNode.configType != EConfigType.Hysteria2
                     && nextNode.configType != EConfigType.Tuic)
                 {
-                    var nextOutbound = Utils.FromJson<Outbounds4Ray>(txtOutbound);
+                    var nextOutbound = JsonUtils.FromJson<Outbounds4Ray>(txtOutbound);
                     GenOutbound(nextNode, nextOutbound);
                     nextOutbound.tag = Global.ProxyTag;
                     v2rayConfig.outbounds.Insert(0, nextOutbound);
@@ -881,7 +881,7 @@ namespace v2rayN.Handler
             }
             catch (Exception ex)
             {
-                Utils.SaveLog(ex.Message, ex);
+                Logging.SaveLog(ex.Message, ex);
             }
 
             return 0;
@@ -912,7 +912,7 @@ namespace v2rayN.Handler
                     return -1;
                 }
 
-                v2rayConfig = Utils.FromJson<V2rayConfig>(result);
+                v2rayConfig = JsonUtils.FromJson<V2rayConfig>(result);
                 if (v2rayConfig == null)
                 {
                     msg = ResUI.FailedGenDefaultConfiguration;
@@ -928,7 +928,7 @@ namespace v2rayN.Handler
                 }
                 catch (Exception ex)
                 {
-                    Utils.SaveLog(ex.Message, ex);
+                    Logging.SaveLog(ex.Message, ex);
                 }
 
                 GenLog(v2rayConfig);
@@ -1009,7 +1009,7 @@ namespace v2rayN.Handler
                         continue;
                     }
 
-                    var outbound = Utils.FromJson<Outbounds4Ray>(txtOutbound);
+                    var outbound = JsonUtils.FromJson<Outbounds4Ray>(txtOutbound);
                     GenOutbound(item, outbound);
                     outbound.tag = Global.ProxyTag + inbound.port.ToString();
                     v2rayConfig.outbounds.Add(outbound);
@@ -1029,7 +1029,7 @@ namespace v2rayN.Handler
             }
             catch (Exception ex)
             {
-                Utils.SaveLog(ex.Message, ex);
+                Logging.SaveLog(ex.Message, ex);
                 msg = ResUI.FailedGenDefaultConfiguration;
                 return -1;
             }
diff --git a/v2rayN/v2rayN/Handler/CoreHandler.cs b/v2rayN/v2rayN/Handler/CoreHandler.cs
index 905c245f..f30924e4 100644
--- a/v2rayN/v2rayN/Handler/CoreHandler.cs
+++ b/v2rayN/v2rayN/Handler/CoreHandler.cs
@@ -59,7 +59,7 @@ namespace v2rayN.Handler
                             {
                                 CoreStart(node);
                                 ShowMsg(false, "Tun mode restart the core once");
-                                Utils.SaveLog("Tun mode restart the core once");
+                                Logging.SaveLog("Tun mode restart the core once");
                             }
                         }
                     });
@@ -120,7 +120,7 @@ namespace v2rayN.Handler
                             foreach (Process p in existing)
                             {
                                 string? path = p.MainModule?.FileName;
-                                if (path == $"{Utils.GetBinPath(vName, it.coreType)}.exe")
+                                if (path == $"{Utils.GetBinPath(vName, it.coreType.ToString())}.exe")
                                 {
                                     KillProcess(p);
                                 }
@@ -131,7 +131,7 @@ namespace v2rayN.Handler
             }
             catch (Exception ex)
             {
-                Utils.SaveLog(ex.Message, ex);
+                Logging.SaveLog(ex.Message, ex);
             }
         }
 
@@ -144,7 +144,7 @@ namespace v2rayN.Handler
             }
             catch (Exception ex)
             {
-                Utils.SaveLog(ex.Message, ex);
+                Logging.SaveLog(ex.Message, ex);
             }
         }
 
@@ -154,7 +154,7 @@ namespace v2rayN.Handler
             foreach (string name in coreInfo.coreExes)
             {
                 string vName = $"{name}.exe";
-                vName = Utils.GetBinPath(vName, coreInfo.coreType);
+                vName = Utils.GetBinPath(vName, coreInfo.coreType.ToString());
                 if (File.Exists(vName))
                 {
                     fileName = vName;
@@ -163,8 +163,8 @@ namespace v2rayN.Handler
             }
             if (Utils.IsNullOrEmpty(fileName))
             {
-                string msg = string.Format(ResUI.NotFoundCore, Utils.GetBinPath("", coreInfo.coreType), string.Join(", ", coreInfo.coreExes.ToArray()), coreInfo.coreUrl);
-                Utils.SaveLog(msg);
+                string msg = string.Format(ResUI.NotFoundCore, Utils.GetBinPath("", coreInfo.coreType.ToString()), string.Join(", ", coreInfo.coreExes.ToArray()), coreInfo.coreUrl);
+                Logging.SaveLog(msg);
                 ShowMsg(false, msg);
             }
             return fileName;
@@ -237,7 +237,7 @@ namespace v2rayN.Handler
             }
             catch (Exception ex)
             {
-                Utils.SaveLog(ex.Message, ex);
+                Logging.SaveLog(ex.Message, ex);
                 string msg = ex.Message;
                 ShowMsg(false, msg);
                 return -1;
@@ -311,7 +311,7 @@ namespace v2rayN.Handler
             }
             catch (Exception ex)
             {
-                Utils.SaveLog(ex.Message, ex);
+                Logging.SaveLog(ex.Message, ex);
                 string msg = ex.Message;
                 update(true, msg);
                 return null;
@@ -336,7 +336,7 @@ namespace v2rayN.Handler
             }
             catch (Exception ex)
             {
-                Utils.SaveLog(ex.Message, ex);
+                Logging.SaveLog(ex.Message, ex);
             }
         }
 
diff --git a/v2rayN/v2rayN/Handler/DownloadHandle.cs b/v2rayN/v2rayN/Handler/DownloadHandle.cs
index 54edadf7..fc3aceb7 100644
--- a/v2rayN/v2rayN/Handler/DownloadHandle.cs
+++ b/v2rayN/v2rayN/Handler/DownloadHandle.cs
@@ -84,7 +84,7 @@ namespace v2rayN.Handler
             }
             catch (Exception ex)
             {
-                Utils.SaveLog(ex.Message, ex);
+                Logging.SaveLog(ex.Message, ex);
 
                 Error?.Invoke(this, new ErrorEventArgs(ex));
                 if (ex.InnerException != null)
@@ -111,7 +111,7 @@ namespace v2rayN.Handler
             }
             else
             {
-                Utils.SaveLog("StatusCode error: " + url);
+                Logging.SaveLog("StatusCode error: " + url);
                 return null;
             }
         }
@@ -128,7 +128,7 @@ namespace v2rayN.Handler
             }
             catch (Exception ex)
             {
-                Utils.SaveLog(ex.Message, ex);
+                Logging.SaveLog(ex.Message, ex);
                 Error?.Invoke(this, new ErrorEventArgs(ex));
                 if (ex.InnerException != null)
                 {
@@ -146,7 +146,7 @@ namespace v2rayN.Handler
             }
             catch (Exception ex)
             {
-                Utils.SaveLog(ex.Message, ex);
+                Logging.SaveLog(ex.Message, ex);
                 Error?.Invoke(this, new ErrorEventArgs(ex));
                 if (ex.InnerException != null)
                 {
@@ -166,7 +166,7 @@ namespace v2rayN.Handler
             }
             catch (Exception ex)
             {
-                Utils.SaveLog(ex.Message, ex);
+                Logging.SaveLog(ex.Message, ex);
                 Error?.Invoke(this, new ErrorEventArgs(ex));
                 if (ex.InnerException != null)
                 {
@@ -212,7 +212,7 @@ namespace v2rayN.Handler
             }
             catch (Exception ex)
             {
-                Utils.SaveLog(ex.Message, ex);
+                Logging.SaveLog(ex.Message, ex);
                 Error?.Invoke(this, new ErrorEventArgs(ex));
                 if (ex.InnerException != null)
                 {
@@ -243,7 +243,7 @@ namespace v2rayN.Handler
             }
             catch (Exception ex)
             {
-                Utils.SaveLog(ex.Message, ex);
+                Logging.SaveLog(ex.Message, ex);
                 Error?.Invoke(this, new ErrorEventArgs(ex));
                 if (ex.InnerException != null)
                 {
@@ -270,13 +270,13 @@ namespace v2rayN.Handler
                 }
                 catch (Exception ex)
                 {
-                    Utils.SaveLog(ex.Message, ex);
+                    Logging.SaveLog(ex.Message, ex);
                     return -1;
                 }
             }
             catch (Exception ex)
             {
-                Utils.SaveLog(ex.Message, ex);
+                Logging.SaveLog(ex.Message, ex);
                 return -1;
             }
         }
diff --git a/v2rayN/v2rayN/Handler/MainFormHandler.cs b/v2rayN/v2rayN/Handler/MainFormHandler.cs
index 24989615..960c6ab9 100644
--- a/v2rayN/v2rayN/Handler/MainFormHandler.cs
+++ b/v2rayN/v2rayN/Handler/MainFormHandler.cs
@@ -42,7 +42,7 @@ namespace v2rayN.Handler
             }
             catch (Exception ex)
             {
-                Utils.SaveLog(ex.Message, ex);
+                Logging.SaveLog(ex.Message, ex);
                 return Properties.Resources.NotifyIcon1;
             }
         }
@@ -112,7 +112,7 @@ namespace v2rayN.Handler
             }
             catch (Exception ex)
             {
-                Utils.SaveLog(ex.Message, ex);
+                Logging.SaveLog(ex.Message, ex);
                 return null;
             }
         }
@@ -163,7 +163,7 @@ namespace v2rayN.Handler
         private async Task UpdateTaskRunSubscription(Config config, Action<bool, string> update)
         {
             await Task.Delay(60000);
-            Utils.SaveLog("UpdateTaskRunSubscription");
+            Logging.SaveLog("UpdateTaskRunSubscription");
 
             var updateHandle = new UpdateHandle();
             while (true)
@@ -180,7 +180,7 @@ namespace v2rayN.Handler
                     {
                         update(success, msg);
                         if (success)
-                            Utils.SaveLog("subscription" + msg);
+                            Logging.SaveLog("subscription" + msg);
                     });
                     item.updateTime = updateTime;
                     ConfigHandler.AddSubItem(config, item);
@@ -196,7 +196,7 @@ namespace v2rayN.Handler
             var autoUpdateGeoTime = DateTime.Now;
 
             await Task.Delay(1000 * 120);
-            Utils.SaveLog("UpdateTaskRunGeo");
+            Logging.SaveLog("UpdateTaskRunGeo");
 
             var updateHandle = new UpdateHandle();
             while (true)
diff --git a/v2rayN/v2rayN/Handler/ProfileExHandler.cs b/v2rayN/v2rayN/Handler/ProfileExHandler.cs
index 0b755a06..26d164fc 100644
--- a/v2rayN/v2rayN/Handler/ProfileExHandler.cs
+++ b/v2rayN/v2rayN/Handler/ProfileExHandler.cs
@@ -82,7 +82,7 @@ namespace v2rayN.Handler
             }
             catch (Exception ex)
             {
-                Utils.SaveLog(ex.Message, ex);
+                Logging.SaveLog(ex.Message, ex);
             }
         }
 
diff --git a/v2rayN/v2rayN/Handler/ShareHandler.cs b/v2rayN/v2rayN/Handler/ShareHandler.cs
index f10177c1..79be638b 100644
--- a/v2rayN/v2rayN/Handler/ShareHandler.cs
+++ b/v2rayN/v2rayN/Handler/ShareHandler.cs
@@ -38,7 +38,7 @@ namespace v2rayN.Handler
             }
             catch (Exception ex)
             {
-                Utils.SaveLog(ex.Message, ex);
+                Logging.SaveLog(ex.Message, ex);
                 return "";
             }
         }
@@ -66,7 +66,7 @@ namespace v2rayN.Handler
                 fp = item.fingerprint
             };
 
-            url = Utils.ToJson(vmessQRCode);
+            url = JsonUtils.ToJson(vmessQRCode);
             url = Utils.Base64Encode(url);
             url = $"{Global.ProtocolShares[EConfigType.VMess]}{url}";
 
@@ -431,7 +431,7 @@ namespace v2rayN.Handler
             }
             catch (Exception ex)
             {
-                Utils.SaveLog(ex.Message, ex);
+                Logging.SaveLog(ex.Message, ex);
                 msg = ResUI.Incorrectconfiguration;
                 return null;
             }
@@ -451,7 +451,7 @@ namespace v2rayN.Handler
             result = Utils.Base64Decode(result);
 
             //转成Json
-            VmessQRCode? vmessQRCode = Utils.FromJson<VmessQRCode>(result);
+            VmessQRCode? vmessQRCode = JsonUtils.FromJson<VmessQRCode>(result);
             if (vmessQRCode == null)
             {
                 msg = ResUI.FailedConversionConfiguration;
diff --git a/v2rayN/v2rayN/Handler/SpeedtestHandler.cs b/v2rayN/v2rayN/Handler/SpeedtestHandler.cs
index dad40271..9c7bc4ff 100644
--- a/v2rayN/v2rayN/Handler/SpeedtestHandler.cs
+++ b/v2rayN/v2rayN/Handler/SpeedtestHandler.cs
@@ -107,7 +107,7 @@ namespace v2rayN.Handler
                     }
                     catch (Exception ex)
                     {
-                        Utils.SaveLog(ex.Message, ex);
+                        Logging.SaveLog(ex.Message, ex);
                     }
                 }
 
@@ -115,7 +115,7 @@ namespace v2rayN.Handler
             }
             catch (Exception ex)
             {
-                Utils.SaveLog(ex.Message, ex);
+                Logging.SaveLog(ex.Message, ex);
             }
         }
 
@@ -184,7 +184,7 @@ namespace v2rayN.Handler
                         }
                         catch (Exception ex)
                         {
-                            Utils.SaveLog(ex.Message, ex);
+                            Logging.SaveLog(ex.Message, ex);
                         }
                     }));
                 }
@@ -192,7 +192,7 @@ namespace v2rayN.Handler
             }
             catch (Exception ex)
             {
-                Utils.SaveLog(ex.Message, ex);
+                Logging.SaveLog(ex.Message, ex);
             }
             finally
             {
@@ -371,7 +371,7 @@ namespace v2rayN.Handler
             }
             catch (Exception ex)
             {
-                Utils.SaveLog(ex.Message, ex);
+                Logging.SaveLog(ex.Message, ex);
             }
             return responseTime;
         }
@@ -407,7 +407,7 @@ namespace v2rayN.Handler
             }
             catch (Exception ex)
             {
-                Utils.SaveLog(ex.Message, ex);
+                Logging.SaveLog(ex.Message, ex);
                 return -1;
             }
             return roundtripTime;
diff --git a/v2rayN/v2rayN/Handler/StatisticsHandler.cs b/v2rayN/v2rayN/Handler/StatisticsHandler.cs
index c32a7d74..032069e7 100644
--- a/v2rayN/v2rayN/Handler/StatisticsHandler.cs
+++ b/v2rayN/v2rayN/Handler/StatisticsHandler.cs
@@ -44,7 +44,7 @@ namespace v2rayN.Handler
             }
             catch (Exception ex)
             {
-                Utils.SaveLog(ex.Message, ex);
+                Logging.SaveLog(ex.Message, ex);
             }
         }
 
@@ -63,7 +63,7 @@ namespace v2rayN.Handler
             }
             catch (Exception ex)
             {
-                Utils.SaveLog(ex.Message, ex);
+                Logging.SaveLog(ex.Message, ex);
             }
         }
 
diff --git a/v2rayN/v2rayN/Handler/StatisticsSingbox.cs b/v2rayN/v2rayN/Handler/StatisticsSingbox.cs
index 14ee1c62..60519d1d 100644
--- a/v2rayN/v2rayN/Handler/StatisticsSingbox.cs
+++ b/v2rayN/v2rayN/Handler/StatisticsSingbox.cs
@@ -51,7 +51,7 @@ namespace v2rayN.Handler
             }
             catch (Exception ex)
             {
-                Utils.SaveLog(ex.Message, ex);
+                Logging.SaveLog(ex.Message, ex);
             }
         }
 
@@ -113,7 +113,7 @@ namespace v2rayN.Handler
             up = 0; down = 0;
             try
             {
-                var trafficItem = Utils.FromJson<TrafficItem>(source);
+                var trafficItem = JsonUtils.FromJson<TrafficItem>(source);
                 if (trafficItem != null)
                 {
                     up = trafficItem.up;
diff --git a/v2rayN/v2rayN/Handler/StatisticsV2ray.cs b/v2rayN/v2rayN/Handler/StatisticsV2ray.cs
index 210e988f..63cdac41 100644
--- a/v2rayN/v2rayN/Handler/StatisticsV2ray.cs
+++ b/v2rayN/v2rayN/Handler/StatisticsV2ray.cs
@@ -35,7 +35,7 @@ namespace v2rayN.Handler
                 }
                 catch (Exception ex)
                 {
-                    Utils.SaveLog(ex.Message, ex);
+                    Logging.SaveLog(ex.Message, ex);
                 }
             }
         }
diff --git a/v2rayN/v2rayN/Handler/SysProxyHandle.cs b/v2rayN/v2rayN/Handler/SysProxyHandle.cs
index ae1b66cf..4bd8fa49 100644
--- a/v2rayN/v2rayN/Handler/SysProxyHandle.cs
+++ b/v2rayN/v2rayN/Handler/SysProxyHandle.cs
@@ -87,7 +87,7 @@ namespace v2rayN.Handler
             }
             catch (Exception ex)
             {
-                Utils.SaveLog(ex.Message, ex);
+                Logging.SaveLog(ex.Message, ex);
             }
             return true;
         }
diff --git a/v2rayN/v2rayN/Handler/UpdateHandle.cs b/v2rayN/v2rayN/Handler/UpdateHandle.cs
index 0b677cde..5c9b4e31 100644
--- a/v2rayN/v2rayN/Handler/UpdateHandle.cs
+++ b/v2rayN/v2rayN/Handler/UpdateHandle.cs
@@ -274,8 +274,8 @@ namespace v2rayN.Handler
                         int ret = ConfigHandler.AddBatchServers(config, result, id, true);
                         if (ret <= 0)
                         {
-                            Utils.SaveLog("FailedImportSubscription");
-                            Utils.SaveLog(result);
+                            Logging.SaveLog("FailedImportSubscription");
+                            Logging.SaveLog(result);
                         }
                         _updateFunc(false,
                             ret > 0
@@ -327,13 +327,13 @@ namespace v2rayN.Handler
                 }
                 else
                 {
-                    Utils.SaveLog("StatusCode error: " + url);
+                    Logging.SaveLog("StatusCode error: " + url);
                     return;
                 }
             }
             catch (Exception ex)
             {
-                Utils.SaveLog(ex.Message, ex);
+                Logging.SaveLog(ex.Message, ex);
                 _updateFunc(false, ex.Message);
             }
         }
@@ -350,7 +350,7 @@ namespace v2rayN.Handler
                 foreach (string name in coreInfo.coreExes)
                 {
                     string vName = $"{name}.exe";
-                    vName = Utils.GetBinPath(vName, coreInfo.coreType);
+                    vName = Utils.GetBinPath(vName, coreInfo.coreType.ToString());
                     if (File.Exists(vName))
                     {
                         filePath = vName;
@@ -399,7 +399,7 @@ namespace v2rayN.Handler
             }
             catch (Exception ex)
             {
-                Utils.SaveLog(ex.Message, ex);
+                Logging.SaveLog(ex.Message, ex);
                 _updateFunc(false, ex.Message);
                 return new SemanticVersion("");
             }
@@ -409,7 +409,7 @@ namespace v2rayN.Handler
         {
             try
             {
-                var gitHubReleases = Utils.FromJson<List<GitHubRelease>>(gitHubReleaseApi);
+                var gitHubReleases = JsonUtils.FromJson<List<GitHubRelease>>(gitHubReleaseApi);
                 var gitHubRelease = preRelease ? gitHubReleases!.First() : gitHubReleases!.First(r => r.Prerelease == false);
                 var version = new SemanticVersion(gitHubRelease!.TagName);
                 var body = gitHubRelease!.Body;
@@ -524,7 +524,7 @@ namespace v2rayN.Handler
             }
             catch (Exception ex)
             {
-                Utils.SaveLog(ex.Message, ex);
+                Logging.SaveLog(ex.Message, ex);
                 _updateFunc(false, ex.Message);
             }
         }
diff --git a/v2rayN/v2rayN/Tool/FileManager.cs b/v2rayN/v2rayN/Tool/FileManager.cs
index fa17fde5..bdfa0fd5 100644
--- a/v2rayN/v2rayN/Tool/FileManager.cs
+++ b/v2rayN/v2rayN/Tool/FileManager.cs
@@ -15,7 +15,7 @@ namespace v2rayN.Tool
             }
             catch (Exception ex)
             {
-                Utils.SaveLog(ex.Message, ex);
+                Logging.SaveLog(ex.Message, ex);
             }
             return false;
         }
@@ -30,7 +30,7 @@ namespace v2rayN.Tool
             }
             catch (Exception ex)
             {
-                Utils.SaveLog(ex.Message, ex);
+                Logging.SaveLog(ex.Message, ex);
             }
         }
 
@@ -49,7 +49,7 @@ namespace v2rayN.Tool
             }
             catch (Exception ex)
             {
-                Utils.SaveLog(ex.Message, ex);
+                Logging.SaveLog(ex.Message, ex);
                 throw;
             }
         }
@@ -75,13 +75,13 @@ namespace v2rayN.Tool
                     }
                     catch (IOException ex)
                     {
-                        Utils.SaveLog(ex.Message, ex);
+                        Logging.SaveLog(ex.Message, ex);
                     }
                 }
             }
             catch (Exception ex)
             {
-                Utils.SaveLog(ex.Message, ex);
+                Logging.SaveLog(ex.Message, ex);
                 return false;
             }
             return true;
diff --git a/v2rayN/v2rayN/Tool/Job.cs b/v2rayN/v2rayN/Tool/Job.cs
index 78b1a56e..c25a2221 100644
--- a/v2rayN/v2rayN/Tool/Job.cs
+++ b/v2rayN/v2rayN/Tool/Job.cs
@@ -52,7 +52,7 @@ namespace v2rayN
 
             if (!succ)
             {
-                Utils.SaveLog("Failed to call AssignProcessToJobObject! GetLastError=" + Marshal.GetLastWin32Error());
+                Logging.SaveLog("Failed to call AssignProcessToJobObject! GetLastError=" + Marshal.GetLastWin32Error());
             }
 
             return succ;
diff --git a/v2rayN/v2rayN/Tool/JsonUtils.cs b/v2rayN/v2rayN/Tool/JsonUtils.cs
new file mode 100644
index 00000000..9493411e
--- /dev/null
+++ b/v2rayN/v2rayN/Tool/JsonUtils.cs
@@ -0,0 +1,120 @@
+using Newtonsoft.Json;
+using Newtonsoft.Json.Linq;
+using System.IO;
+
+namespace v2rayN
+{
+    internal class JsonUtils
+    {
+        /// <summary>
+        /// DeepCopy
+        /// </summary>
+        /// <typeparam name="T"></typeparam>
+        /// <param name="obj"></param>
+        /// <returns></returns>
+        public static T DeepCopy<T>(T obj)
+        {
+            return FromJson<T>(ToJson(obj, false))!;
+        }
+
+        /// <summary>
+        /// Deserialize to object
+        /// </summary>
+        /// <typeparam name="T"></typeparam>
+        /// <param name="strJson"></param>
+        /// <returns></returns>
+        public static T? FromJson<T>(string? strJson)
+        {
+            try
+            {
+                if (string.IsNullOrEmpty(strJson))
+                {
+                    return default;
+                }
+                return JsonConvert.DeserializeObject<T>(strJson);
+            }
+            catch
+            {
+                return default;
+            }
+        }
+
+        /// <summary>
+        /// parse
+        /// </summary>
+        /// <param name="strJson"></param>
+        /// <returns></returns>
+        public static JObject? ParseJson(string strJson)
+        {
+            try
+            {
+                if (string.IsNullOrEmpty(strJson))
+                {
+                    return null;
+                }
+
+                return JObject.Parse(strJson);
+            }
+            catch
+            {
+                //SaveLog(ex.Message, ex);
+                return null;
+            }
+        }
+
+        /// <summary>
+        /// Serialize Object to Json string
+        /// </summary>
+        /// <param name="obj"></param>
+        /// <param name="indented"></param>
+        /// <returns></returns>
+        public static string ToJson(object? obj, bool indented = true)
+        {
+            string result = string.Empty;
+            try
+            {
+                if (obj == null)
+                {
+                    return result;
+                }
+                result = JsonConvert.SerializeObject(obj,
+                                          indented ? Formatting.Indented : Formatting.None,
+                                          new JsonSerializerSettings { NullValueHandling = NullValueHandling.Ignore });
+            }
+            catch (Exception ex)
+            {
+                Logging.SaveLog(ex.Message, ex);
+            }
+            return result;
+        }
+
+        /// <summary>
+        /// Save as json file
+        /// </summary>
+        /// <param name="obj"></param>
+        /// <param name="filePath"></param>
+        /// <param name="nullValue"></param>
+        /// <returns></returns>
+        public static int ToJsonFile(object? obj, string filePath, bool nullValue = true)
+        {
+            int result;
+            try
+            {
+                using StreamWriter file = File.CreateText(filePath);
+                var serializer = new JsonSerializer()
+                {
+                    Formatting = Formatting.Indented,
+                    NullValueHandling = nullValue ? NullValueHandling.Include : NullValueHandling.Ignore
+                };
+                serializer.Serialize(file, obj);
+                result = 0;
+            }
+            catch (Exception ex)
+            {
+                Logging.SaveLog(ex.Message, ex);
+                result = -1;
+            }
+            return result;
+        }
+    }
+}
\ No newline at end of file
diff --git a/v2rayN/v2rayN/Tool/Logging.cs b/v2rayN/v2rayN/Tool/Logging.cs
index b390fc99..ba5b97e7 100644
--- a/v2rayN/v2rayN/Tool/Logging.cs
+++ b/v2rayN/v2rayN/Tool/Logging.cs
@@ -3,7 +3,7 @@ using NLog.Config;
 using NLog.Targets;
 using System.IO;
 
-namespace v2rayN.Tool
+namespace v2rayN
 {
     public class Logging
     {
@@ -51,5 +51,28 @@ namespace v2rayN.Tool
                 catch { }
             });
         }
+
+        public static void SaveLog(string strContent)
+        {
+            if (LogManager.IsLoggingEnabled())
+            {
+                var logger = LogManager.GetLogger("Log1");
+                logger.Info(strContent);
+            }
+        }
+
+        public static void SaveLog(string strTitle, Exception ex)
+        {
+            if (LogManager.IsLoggingEnabled())
+            {
+                var logger = LogManager.GetLogger("Log2");
+                logger.Debug($"{strTitle},{ex.Message}");
+                logger.Debug(ex.StackTrace);
+                if (ex?.InnerException != null)
+                {
+                    logger.Error(ex.InnerException);
+                }
+            }
+        }
     }
 }
\ No newline at end of file
diff --git a/v2rayN/v2rayN/Tool/Utils.cs b/v2rayN/v2rayN/Tool/Utils.cs
index d14fb433..1377cb3d 100644
--- a/v2rayN/v2rayN/Tool/Utils.cs
+++ b/v2rayN/v2rayN/Tool/Utils.cs
@@ -1,8 +1,5 @@
 using Microsoft.Win32;
 using Microsoft.Win32.TaskScheduler;
-using Newtonsoft.Json;
-using Newtonsoft.Json.Linq;
-using NLog;
 using System.Diagnostics;
 using System.Drawing;
 using System.IO;
@@ -21,8 +18,6 @@ using System.Windows;
 using System.Windows.Interop;
 using System.Windows.Media;
 using System.Windows.Media.Imaging;
-using v2rayN.Base;
-using v2rayN.Mode;
 using ZXing;
 using ZXing.Common;
 using ZXing.QrCode;
@@ -53,7 +48,7 @@ namespace v2rayN
             }
             catch (Exception ex)
             {
-                SaveLog(ex.Message, ex);
+                Logging.SaveLog(ex.Message, ex);
             }
             return result;
         }
@@ -71,111 +66,11 @@ namespace v2rayN
             }
             catch (Exception ex)
             {
-                SaveLog(ex.Message, ex);
+                Logging.SaveLog(ex.Message, ex);
             }
             return null;
         }
 
-        /// <summary>
-        /// 反序列化成对象
-        /// </summary>
-        /// <typeparam name="T"></typeparam>
-        /// <param name="strJson"></param>
-        /// <returns></returns>
-        public static T? FromJson<T>(string? strJson)
-        {
-            try
-            {
-                if (string.IsNullOrEmpty(strJson))
-                {
-                    return default;
-                }
-                return JsonConvert.DeserializeObject<T>(strJson);
-            }
-            catch
-            {
-                return default;
-            }
-        }
-
-        /// <summary>
-        /// 序列化成Json
-        /// </summary>
-        /// <param name="obj"></param>
-        /// <returns></returns>
-        public static string ToJson(object? obj, bool indented = true)
-        {
-            string result = string.Empty;
-            try
-            {
-                if (obj == null)
-                {
-                    return result;
-                }
-                if (indented)
-                {
-                    result = JsonConvert.SerializeObject(obj,
-                                           Formatting.Indented,
-                                           new JsonSerializerSettings { NullValueHandling = NullValueHandling.Ignore });
-                }
-                else
-                {
-                    result = JsonConvert.SerializeObject(obj, new JsonSerializerSettings { NullValueHandling = NullValueHandling.Ignore });
-                }
-            }
-            catch (Exception ex)
-            {
-                SaveLog(ex.Message, ex);
-            }
-            return result;
-        }
-
-        /// <summary>
-        /// 保存成json文件
-        /// </summary>
-        /// <param name="obj"></param>
-        /// <param name="filePath"></param>
-        /// <returns></returns>
-        public static int ToJsonFile(object? obj, string filePath, bool nullValue = true)
-        {
-            int result;
-            try
-            {
-                using StreamWriter file = File.CreateText(filePath);
-                JsonSerializer serializer;
-                if (nullValue)
-                {
-                    serializer = new JsonSerializer() { Formatting = Formatting.Indented };
-                }
-                else
-                {
-                    serializer = new JsonSerializer() { Formatting = Formatting.Indented, NullValueHandling = NullValueHandling.Ignore };
-                }
-
-                serializer.Serialize(file, obj);
-                result = 0;
-            }
-            catch (Exception ex)
-            {
-                SaveLog(ex.Message, ex);
-                result = -1;
-            }
-            return result;
-        }
-
-        public static JObject? ParseJson(string strJson)
-        {
-            try
-            {
-                return JObject.Parse(strJson);
-            }
-            catch (Exception ex)
-            {
-                //SaveLog(ex.Message, ex);
-                return null;
-            }
-        }
-
         #endregion 资源Json操作
 
         #region 转换函数
@@ -204,7 +99,7 @@ namespace v2rayN
             }
             catch (Exception ex)
             {
-                SaveLog(ex.Message, ex);
+                Logging.SaveLog(ex.Message, ex);
                 return string.Empty;
             }
         }
@@ -223,7 +118,7 @@ namespace v2rayN
             }
             catch (Exception ex)
             {
-                SaveLog(ex.Message, ex);
+                Logging.SaveLog(ex.Message, ex);
                 return new List<string>();
             }
         }
@@ -244,7 +139,7 @@ namespace v2rayN
             }
             catch (Exception ex)
             {
-                SaveLog(ex.Message, ex);
+                Logging.SaveLog(ex.Message, ex);
                 return new List<string>();
             }
         }
@@ -263,7 +158,7 @@ namespace v2rayN
             }
             catch (Exception ex)
             {
-                SaveLog("Base64Encode", ex);
+                Logging.SaveLog("Base64Encode", ex);
                 return string.Empty;
             }
         }
@@ -277,7 +172,7 @@ namespace v2rayN
         {
             try
             {
-                plainText = plainText.TrimEx()
+                plainText = plainText.Trim()
                   .Replace(Environment.NewLine, "")
                   .Replace("\n", "")
                   .Replace("\r", "")
@@ -295,7 +190,7 @@ namespace v2rayN
             }
             catch (Exception ex)
             {
-                SaveLog("Base64Decode", ex);
+                Logging.SaveLog("Base64Decode", ex);
                 return string.Empty;
             }
         }
@@ -492,7 +387,7 @@ namespace v2rayN
             }
             catch (Exception ex)
             {
-                SaveLog(ex.Message, ex);
+                Logging.SaveLog(ex.Message, ex);
                 return false;
             }
         }
@@ -598,14 +493,14 @@ namespace v2rayN
         /// </summary>
         /// <param name="run"></param>
         /// <returns></returns>
-        public static void SetAutoRun(bool run)
+        public static void SetAutoRun(string AutoRunRegPath, string AutoRunName, bool run)
         {
             try
             {
-                var autoRunName = $"{Global.AutoRunName}_{GetMD5(StartupPath())}";
+                var autoRunName = $"{AutoRunName}_{GetMD5(StartupPath())}";
 
                 //delete first
-                RegWriteValue(Global.AutoRunRegPath, autoRunName, "");
+                RegWriteValue(AutoRunRegPath, autoRunName, "");
                 if (IsAdministrator())
                 {
                     AutoStart(autoRunName, "", "");
@@ -620,43 +515,16 @@ namespace v2rayN
                     }
                     else
                     {
-                        RegWriteValue(Global.AutoRunRegPath, autoRunName, exePath);
+                        RegWriteValue(AutoRunRegPath, autoRunName, exePath);
                     }
                 }
             }
             catch (Exception ex)
             {
-                SaveLog(ex.Message, ex);
+                Logging.SaveLog(ex.Message, ex);
             }
         }
-
-        /// <summary>
-        /// 是否已经设置开机自动启动
-        /// </summary>
-        /// <returns></returns>
-        public static bool IsAutoRun()
-        {
-            try
-            {
-                //clear
-                if (!RegReadValue(Global.AutoRunRegPath, Global.AutoRunName, "").IsNullOrEmpty())
-                {
-                    RegWriteValue(Global.AutoRunRegPath, Global.AutoRunName, "");
-                }
-
-                string value = RegReadValue(Global.AutoRunRegPath, Global.AutoRunName, "");
-                string exePath = GetExePath();
-                if (value == exePath || value == $"\"{exePath}\"")
-                {
-                    return true;
-                }
-            }
-            catch (Exception ex)
-            {
-                SaveLog(ex.Message, ex);
-            }
-            return false;
-        }
+         
 
         /// <summary>
         /// 获取启动了应用程序的可执行文件的路径
@@ -704,7 +572,7 @@ namespace v2rayN
             }
             catch (Exception ex)
             {
-                SaveLog(ex.Message, ex);
+                Logging.SaveLog(ex.Message, ex);
             }
             finally
             {
@@ -730,7 +598,7 @@ namespace v2rayN
             }
             catch (Exception ex)
             {
-                SaveLog(ex.Message, ex);
+                Logging.SaveLog(ex.Message, ex);
             }
             finally
             {
@@ -859,7 +727,7 @@ namespace v2rayN
             }
             catch (Exception ex)
             {
-                SaveLog(ex.Message, ex);
+                Logging.SaveLog(ex.Message, ex);
             }
             return inUse;
         }
@@ -891,34 +759,11 @@ namespace v2rayN
             }
             catch (Exception ex)
             {
-                SaveLog(ex.Message, ex);
+                Logging.SaveLog(ex.Message, ex);
                 return string.Empty;
             }
         }
 
-        /// <summary>
-        /// DeepCopy
-        /// </summary>
-        /// <typeparam name="T"></typeparam>
-        /// <param name="obj"></param>
-        /// <returns></returns>
-        public static T DeepCopy<T>(T obj)
-        {
-            return FromJson<T>(ToJson(obj, false))!;
-
-            //            object retval;
-            //            MemoryStream ms = new();
-            //#pragma warning disable SYSLIB0011 // 类型或成员已过时
-            //            BinaryFormatter bf = new();
-            //#pragma warning restore SYSLIB0011 // 类型或成员已过时
-            //                                  //序列化成流
-            //            bf.Serialize(ms, obj);
-            //            ms.Seek(0, SeekOrigin.Begin);
-            //            //反序列化成对象
-            //            retval = bf.Deserialize(ms);
-            //            return (T)retval;
-        }
-
         /// <summary>
         /// 获取剪贴板数
         /// </summary>
@@ -937,7 +782,7 @@ namespace v2rayN
             }
             catch (Exception ex)
             {
-                SaveLog(ex.Message, ex);
+                Logging.SaveLog(ex.Message, ex);
             }
             return strData;
         }
@@ -976,7 +821,7 @@ namespace v2rayN
             }
             catch (Exception ex)
             {
-                SaveLog(ex.Message, ex);
+                Logging.SaveLog(ex.Message, ex);
             }
             return string.Empty;
         }
@@ -996,7 +841,7 @@ namespace v2rayN
             }
             catch (Exception ex)
             {
-                SaveLog(ex.Message, ex);
+                Logging.SaveLog(ex.Message, ex);
                 return false;
             }
         }
@@ -1036,7 +881,7 @@ namespace v2rayN
             }
             catch (Exception ex)
             {
-                SaveLog(ex.Message, ex);
+                Logging.SaveLog(ex.Message, ex);
             }
         }
 
@@ -1115,7 +960,7 @@ namespace v2rayN
             }
         }
 
-        public static string GetBinPath(string filename, ECoreType? coreType = null)
+        public static string GetBinPath(string filename, string? coreType = null)
         {
             string _tempPath = Path.Combine(StartupPath(), "bin");
             if (!Directory.Exists(_tempPath))
@@ -1176,33 +1021,6 @@ namespace v2rayN
 
         #endregion TempPath
 
-        #region Log
-
-        public static void SaveLog(string strContent)
-        {
-            if (LogManager.IsLoggingEnabled())
-            {
-                var logger = LogManager.GetLogger("Log1");
-                logger.Info(strContent);
-            }
-        }
-
-        public static void SaveLog(string strTitle, Exception ex)
-        {
-            if (LogManager.IsLoggingEnabled())
-            {
-                var logger = LogManager.GetLogger("Log2");
-                logger.Debug($"{strTitle},{ex.Message}");
-                logger.Debug(ex.StackTrace);
-                if (ex?.InnerException != null)
-                {
-                    logger.Error(ex.InnerException);
-                }
-            }
-        }
-
-        #endregion Log
-
         #region scan screen
 
         public static string ScanScreen(float dpiX, float dpiY)
@@ -1248,7 +1066,7 @@ namespace v2rayN
             }
             catch (Exception ex)
             {
-                SaveLog(ex.Message, ex);
+                Logging.SaveLog(ex.Message, ex);
             }
             return string.Empty;
         }
diff --git a/v2rayN/v2rayN/ViewModels/AddServer2ViewModel.cs b/v2rayN/v2rayN/ViewModels/AddServer2ViewModel.cs
index 137db406..83380bf0 100644
--- a/v2rayN/v2rayN/ViewModels/AddServer2ViewModel.cs
+++ b/v2rayN/v2rayN/ViewModels/AddServer2ViewModel.cs
@@ -38,7 +38,7 @@ namespace v2rayN.ViewModels
             }
             else
             {
-                SelectedSource = Utils.DeepCopy(profileItem);
+                SelectedSource = JsonUtils.DeepCopy(profileItem);
             }
 
             _view = view;
@@ -127,7 +127,7 @@ namespace v2rayN.ViewModels
                 _noticeHandler?.Enqueue(ResUI.SuccessfullyImportedCustomServer);
                 if (!Utils.IsNullOrEmpty(item.indexId))
                 {
-                    SelectedSource = Utils.DeepCopy(item);
+                    SelectedSource = JsonUtils.DeepCopy(item);
                 }
                 IsModified = true;
             }
diff --git a/v2rayN/v2rayN/ViewModels/AddServerViewModel.cs b/v2rayN/v2rayN/ViewModels/AddServerViewModel.cs
index a36b0733..6c579567 100644
--- a/v2rayN/v2rayN/ViewModels/AddServerViewModel.cs
+++ b/v2rayN/v2rayN/ViewModels/AddServerViewModel.cs
@@ -37,7 +37,7 @@ namespace v2rayN.ViewModels
             }
             else
             {
-                SelectedSource = Utils.DeepCopy(profileItem);
+                SelectedSource = JsonUtils.DeepCopy(profileItem);
             }
 
             SaveCmd = ReactiveCommand.Create(() =>
diff --git a/v2rayN/v2rayN/ViewModels/DNSSettingViewModel.cs b/v2rayN/v2rayN/ViewModels/DNSSettingViewModel.cs
index 56c5ee45..0192e8fa 100644
--- a/v2rayN/v2rayN/ViewModels/DNSSettingViewModel.cs
+++ b/v2rayN/v2rayN/ViewModels/DNSSettingViewModel.cs
@@ -63,7 +63,7 @@ namespace v2rayN.ViewModels
         {
             if (!Utils.IsNullOrEmpty(normalDNS))
             {
-                var obj = Utils.ParseJson(normalDNS);
+                var obj = JsonUtils.ParseJson(normalDNS);
                 if (obj != null && obj.ContainsKey("servers") == true)
                 {
                 }
@@ -78,7 +78,7 @@ namespace v2rayN.ViewModels
             }
             if (!Utils.IsNullOrEmpty(normalDNS2))
             {
-                var obj2 = Utils.FromJson<Dns4Sbox>(normalDNS2);
+                var obj2 = JsonUtils.FromJson<Dns4Sbox>(normalDNS2);
                 if (obj2 == null)
                 {
                     UI.Show(ResUI.FillCorrectDNSText);
@@ -87,7 +87,7 @@ namespace v2rayN.ViewModels
             }
             if (!Utils.IsNullOrEmpty(tunDNS2))
             {
-                var obj2 = Utils.FromJson<Dns4Sbox>(tunDNS2);
+                var obj2 = JsonUtils.FromJson<Dns4Sbox>(tunDNS2);
                 if (obj2 == null)
                 {
                     UI.Show(ResUI.FillCorrectDNSText);
@@ -102,8 +102,8 @@ namespace v2rayN.ViewModels
             ConfigHandler.SaveDNSItems(_config, item);
 
             var item2 = LazyConfig.Instance.GetDNSItem(ECoreType.sing_box);
-            item2.normalDNS = Utils.ToJson(Utils.ParseJson(normalDNS2));
-            item2.tunDNS = Utils.ToJson(Utils.ParseJson(tunDNS2));
+            item2.normalDNS = JsonUtils.ToJson(JsonUtils.ParseJson(normalDNS2));
+            item2.tunDNS = JsonUtils.ToJson(JsonUtils.ParseJson(tunDNS2));
             ConfigHandler.SaveDNSItems(_config, item2);
 
             _noticeHandler?.Enqueue(ResUI.OperationSuccess);
diff --git a/v2rayN/v2rayN/ViewModels/MainWindowViewModel.cs b/v2rayN/v2rayN/ViewModels/MainWindowViewModel.cs
index ef654fe5..cb7b8913 100644
--- a/v2rayN/v2rayN/ViewModels/MainWindowViewModel.cs
+++ b/v2rayN/v2rayN/ViewModels/MainWindowViewModel.cs
@@ -652,13 +652,13 @@ namespace v2rayN.ViewModels
 
                                 if (SelectedProfile?.indexId == item.indexId)
                                 {
-                                    var temp = Utils.DeepCopy(item);
+                                    var temp = JsonUtils.DeepCopy(item);
                                     _profileItems.Replace(item, temp);
                                     SelectedProfile = temp;
                                 }
                                 else
                                 {
-                                    _profileItems.Replace(item, Utils.DeepCopy(item));
+                                    _profileItems.Replace(item, JsonUtils.DeepCopy(item));
                                 }
                             }
                         }
@@ -667,7 +667,7 @@ namespace v2rayN.ViewModels
             }
             catch (Exception ex)
             {
-                Utils.SaveLog(ex.Message, ex);
+                Logging.SaveLog(ex.Message, ex);
             }
         }
 
@@ -700,7 +700,7 @@ namespace v2rayN.ViewModels
                 {
                     item.speedVal = $"{speed} {Global.SpeedUnit}";
                 }
-                _profileItems.Replace(item, Utils.DeepCopy(item));
+                _profileItems.Replace(item, JsonUtils.DeepCopy(item));
             }
         }
 
@@ -734,7 +734,7 @@ namespace v2rayN.ViewModels
         {
             try
             {
-                Utils.SaveLog("MyAppExit Begin");
+                Logging.SaveLog("MyAppExit Begin");
 
                 StorageUI();
                 ConfigHandler.SaveConfig(_config);
@@ -755,7 +755,7 @@ namespace v2rayN.ViewModels
                 _statistics?.Close();
 
                 _coreHandler.CoreStop();
-                Utils.SaveLog("MyAppExit End");
+                Logging.SaveLog("MyAppExit End");
             }
             catch { }
             finally
@@ -835,7 +835,7 @@ namespace v2rayN.ViewModels
                             totalDown = t22 == null ? "" : Utils.HumanFy(t22.totalDown),
                             totalUp = t22 == null ? "" : Utils.HumanFy(t22.totalUp)
                         }).OrderBy(t => t.sort).ToList();
-            _lstProfile = Utils.FromJson<List<ProfileItem>>(Utils.ToJson(lstModel));
+            _lstProfile = JsonUtils.FromJson<List<ProfileItem>>(JsonUtils.ToJson(lstModel));
 
             Application.Current.Dispatcher.Invoke((Action)(() =>
             {
@@ -941,7 +941,7 @@ namespace v2rayN.ViewModels
             }
             else
             {
-                lstSelecteds = Utils.FromJson<List<ProfileItem>>(Utils.ToJson(orderProfiles));
+                lstSelecteds = JsonUtils.FromJson<List<ProfileItem>>(JsonUtils.ToJson(orderProfiles));
             }
 
             return 0;
@@ -1456,7 +1456,7 @@ namespace v2rayN.ViewModels
                     CloseV2ray();
 
                     string fileName = Utils.GetTempPath(Utils.GetDownloadFileName(msg));
-                    string toPath = Utils.GetBinPath("", type);
+                    string toPath = Utils.GetBinPath("", type.ToString());
 
                     FileManager.ZipExtractToFile(fileName, toPath, _config.guiItem.ignoreGeoUpdateCore ? "geo" : "");
 
diff --git a/v2rayN/v2rayN/ViewModels/OptionSettingViewModel.cs b/v2rayN/v2rayN/ViewModels/OptionSettingViewModel.cs
index 8a49279f..1c1a2423 100644
--- a/v2rayN/v2rayN/ViewModels/OptionSettingViewModel.cs
+++ b/v2rayN/v2rayN/ViewModels/OptionSettingViewModel.cs
@@ -296,7 +296,7 @@ namespace v2rayN.ViewModels
             //_config.kcpItem.congestion = Kcpcongestion;
 
             //UI
-            Utils.SetAutoRun(AutoRun);
+            Utils.SetAutoRun(Global.AutoRunRegPath, Global.AutoRunName, AutoRun);
             _config.guiItem.autoRun = AutoRun;
             _config.guiItem.enableStatistics = EnableStatistics;
             _config.guiItem.keepOlderDedupl = KeepOlderDedupl;
diff --git a/v2rayN/v2rayN/ViewModels/RoutingRuleSettingViewModel.cs b/v2rayN/v2rayN/ViewModels/RoutingRuleSettingViewModel.cs
index c545ef9c..b50005f1 100644
--- a/v2rayN/v2rayN/ViewModels/RoutingRuleSettingViewModel.cs
+++ b/v2rayN/v2rayN/ViewModels/RoutingRuleSettingViewModel.cs
@@ -60,7 +60,7 @@ namespace v2rayN.ViewModels
             else
             {
                 SelectedRouting = routingItem;
-                _rules = Utils.FromJson<List<RulesItem>>(SelectedRouting.ruleSet);
+                _rules = JsonUtils.FromJson<List<RulesItem>>(SelectedRouting.ruleSet);
             }
 
             RefreshRulesItems();
@@ -209,7 +209,7 @@ namespace v2rayN.ViewModels
             }
             if (lst.Count > 0)
             {
-                Utils.SetClipboardData(Utils.ToJson(lst));
+                Utils.SetClipboardData(JsonUtils.ToJson(lst));
                 //UI.Show(ResUI.OperationSuccess"));
             }
         }
@@ -248,7 +248,7 @@ namespace v2rayN.ViewModels
                 it.id = Utils.GetGUID(false);
             }
             item.ruleNum = _rules.Count;
-            item.ruleSet = Utils.ToJson(_rules, false);
+            item.ruleSet = JsonUtils.ToJson(_rules, false);
 
             if (ConfigHandler.SaveRoutingItem(_config, item) == 0)
             {
@@ -334,7 +334,7 @@ namespace v2rayN.ViewModels
             {
                 return -1;
             }
-            var lstRules = Utils.FromJson<List<RulesItem>>(clipboardData);
+            var lstRules = JsonUtils.FromJson<List<RulesItem>>(clipboardData);
             if (lstRules == null)
             {
                 return -1;
diff --git a/v2rayN/v2rayN/ViewModels/RoutingSettingViewModel.cs b/v2rayN/v2rayN/ViewModels/RoutingSettingViewModel.cs
index 7b38712d..9de95aed 100644
--- a/v2rayN/v2rayN/ViewModels/RoutingSettingViewModel.cs
+++ b/v2rayN/v2rayN/ViewModels/RoutingSettingViewModel.cs
@@ -137,7 +137,7 @@ namespace v2rayN.ViewModels
             _lockedItem = ConfigHandler.GetLockedRoutingItem(_config);
             if (_lockedItem != null)
             {
-                _lockedRules = Utils.FromJson<List<RulesItem>>(_lockedItem.ruleSet);
+                _lockedRules = JsonUtils.FromJson<List<RulesItem>>(_lockedItem.ruleSet);
                 ProxyDomain = Utils.List2String(_lockedRules[0].domain, true);
                 ProxyIP = Utils.List2String(_lockedRules[0].ip, true);
 
@@ -162,7 +162,7 @@ namespace v2rayN.ViewModels
                 _lockedRules[2].domain = Utils.String2List(Utils.Convert2Comma(BlockDomain.TrimEx()));
                 _lockedRules[2].ip = Utils.String2List(Utils.Convert2Comma(BlockIP.TrimEx()));
 
-                _lockedItem.ruleSet = Utils.ToJson(_lockedRules, false);
+                _lockedItem.ruleSet = JsonUtils.ToJson(_lockedRules, false);
 
                 ConfigHandler.SaveRoutingItem(_config, _lockedItem);
             }
diff --git a/v2rayN/v2rayN/ViewModels/SubEditViewModel.cs b/v2rayN/v2rayN/ViewModels/SubEditViewModel.cs
index d15e9a78..bab90942 100644
--- a/v2rayN/v2rayN/ViewModels/SubEditViewModel.cs
+++ b/v2rayN/v2rayN/ViewModels/SubEditViewModel.cs
@@ -33,7 +33,7 @@ namespace v2rayN.ViewModels
             }
             else
             {
-                SelectedSource = Utils.DeepCopy(subItem);
+                SelectedSource = JsonUtils.DeepCopy(subItem);
             }
 
             SaveCmd = ReactiveCommand.Create(() =>
diff --git a/v2rayN/v2rayN/Views/GlobalHotkeySettingWindow.xaml.cs b/v2rayN/v2rayN/Views/GlobalHotkeySettingWindow.xaml.cs
index a79879ef..5f511320 100644
--- a/v2rayN/v2rayN/Views/GlobalHotkeySettingWindow.xaml.cs
+++ b/v2rayN/v2rayN/Views/GlobalHotkeySettingWindow.xaml.cs
@@ -70,7 +70,7 @@ namespace v2rayN.Views
 
         private KeyEventItem GetKeyEventItemByEGlobalHotkey(List<KeyEventItem> KELsit, EGlobalHotkey eg)
         {
-            return Utils.DeepCopy(KELsit.Find((it) => it.eGlobalHotkey == eg) ?? new()
+            return JsonUtils.DeepCopy(KELsit.Find((it) => it.eGlobalHotkey == eg) ?? new()
             {
                 eGlobalHotkey = eg,
                 Control = false,
diff --git a/v2rayN/v2rayN/Views/MainWindow.xaml.cs b/v2rayN/v2rayN/Views/MainWindow.xaml.cs
index 0d1944f7..e4f30d56 100644
--- a/v2rayN/v2rayN/Views/MainWindow.xaml.cs
+++ b/v2rayN/v2rayN/Views/MainWindow.xaml.cs
@@ -276,7 +276,7 @@ namespace v2rayN.Views
 
         private void Current_SessionEnding(object sender, SessionEndingCancelEventArgs e)
         {
-            Utils.SaveLog("Current_SessionEnding");
+            Logging.SaveLog("Current_SessionEnding");
             StorageUI();
             ViewModel?.MyAppExit(true);
         }
diff --git a/v2rayN/v2rayN/Views/OptionSettingWindow.xaml.cs b/v2rayN/v2rayN/Views/OptionSettingWindow.xaml.cs
index 45ff0e28..f431e4a0 100644
--- a/v2rayN/v2rayN/Views/OptionSettingWindow.xaml.cs
+++ b/v2rayN/v2rayN/Views/OptionSettingWindow.xaml.cs
@@ -128,7 +128,7 @@ namespace v2rayN.Views
             }
             catch (Exception ex)
             {
-                Utils.SaveLog("fill fonts error", ex);
+                Logging.SaveLog("fill fonts error", ex);
             }
             cmbcurrentFontFamily.Items.Add(string.Empty);
 
diff --git a/v2rayN/v2rayN/v2rayN.csproj b/v2rayN/v2rayN/v2rayN.csproj
index f6f97e0e..fcb7f0da 100644
--- a/v2rayN/v2rayN/v2rayN.csproj
+++ b/v2rayN/v2rayN/v2rayN.csproj
@@ -20,7 +20,6 @@
 		<PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
 		<PackageReference Include="QRCoder.Xaml" Version="1.4.3" />
 		<PackageReference Include="sqlite-net-pcl" Version="1.8.116" />
-		<PackageReference Include="System.Text.Json" Version="8.0.0" />
 		<PackageReference Include="TaskScheduler" Version="2.10.1" /> 
 		<PackageReference Include="ZXing.Net.Bindings.Windows.Compatibility" Version="0.16.12" />
 		<PackageReference Include="ReactiveUI.Fody" Version="19.5.39" />