diff --git a/v2rayN/v2rayN/Common/HttpClientHelper.cs b/v2rayN/v2rayN/Common/HttpClientHelper.cs
index 0c6e6ebb..7a635e29 100644
--- a/v2rayN/v2rayN/Common/HttpClientHelper.cs
+++ b/v2rayN/v2rayN/Common/HttpClientHelper.cs
@@ -35,7 +35,7 @@ namespace v2rayN
 
         public async Task PutAsync(string url, Dictionary<string, string> headers)
         {
-            var jsonContent = JsonUtils.ToJson(headers);
+            var jsonContent = JsonUtils.Serialize(headers);
             var content = new StringContent(jsonContent, Encoding.UTF8, MediaTypeNames.Application.Json);
 
             var result = await httpClient.PutAsync(url, content);
diff --git a/v2rayN/v2rayN/Common/JsonUtils.cs b/v2rayN/v2rayN/Common/JsonUtils.cs
index 9493411e..b627d426 100644
--- a/v2rayN/v2rayN/Common/JsonUtils.cs
+++ b/v2rayN/v2rayN/Common/JsonUtils.cs
@@ -14,7 +14,7 @@ namespace v2rayN
         /// <returns></returns>
         public static T DeepCopy<T>(T obj)
         {
-            return FromJson<T>(ToJson(obj, false))!;
+            return Deserialize<T>(Serialize(obj, false))!;
         }
 
         /// <summary>
@@ -23,7 +23,7 @@ namespace v2rayN
         /// <typeparam name="T"></typeparam>
         /// <param name="strJson"></param>
         /// <returns></returns>
-        public static T? FromJson<T>(string? strJson)
+        public static T? Deserialize<T>(string? strJson)
         {
             try
             {
@@ -68,7 +68,7 @@ namespace v2rayN
         /// <param name="obj"></param>
         /// <param name="indented"></param>
         /// <returns></returns>
-        public static string ToJson(object? obj, bool indented = true)
+        public static string Serialize(object? obj, bool indented = true)
         {
             string result = string.Empty;
             try
@@ -95,7 +95,7 @@ namespace v2rayN
         /// <param name="filePath"></param>
         /// <param name="nullValue"></param>
         /// <returns></returns>
-        public static int ToJsonFile(object? obj, string filePath, bool nullValue = true)
+        public static int ToFile(object? obj, string filePath, bool nullValue = true)
         {
             int result;
             try
diff --git a/v2rayN/v2rayN/Handler/ConfigHandler.cs b/v2rayN/v2rayN/Handler/ConfigHandler.cs
index d034f4de..7fa52b9d 100644
--- a/v2rayN/v2rayN/Handler/ConfigHandler.cs
+++ b/v2rayN/v2rayN/Handler/ConfigHandler.cs
@@ -27,7 +27,7 @@ namespace v2rayN.Handler
             if (!Utils.IsNullOrEmpty(result))
             {
                 //转成Json
-                config = JsonUtils.FromJson<Config>(result);
+                config = JsonUtils.Deserialize<Config>(result);
             }
             else
             {
@@ -232,7 +232,7 @@ namespace v2rayN.Handler
                     //save temp file
                     var resPath = Utils.GetConfigPath(configRes);
                     var tempPath = $"{resPath}_temp";
-                    if (JsonUtils.ToJsonFile(config, tempPath) != 0)
+                    if (JsonUtils.ToFile(config, tempPath) != 0)
                     {
                         return;
                     }
@@ -259,13 +259,13 @@ namespace v2rayN.Handler
                 return -1;
             }
 
-            var configOld = JsonUtils.FromJson<ConfigOld>(result);
+            var configOld = JsonUtils.Deserialize<ConfigOld>(result);
             if (configOld == null)
             {
                 return -1;
             }
 
-            var subItem = JsonUtils.FromJson<List<SubItem>>(JsonUtils.ToJson(configOld.subItem));
+            var subItem = JsonUtils.Deserialize<List<SubItem>>(JsonUtils.Serialize(configOld.subItem));
             foreach (var it in subItem)
             {
                 if (Utils.IsNullOrEmpty(it.id))
@@ -275,7 +275,7 @@ namespace v2rayN.Handler
                 SqliteHelper.Instance.Replace(it);
             }
 
-            var profileItems = JsonUtils.FromJson<List<ProfileItem>>(JsonUtils.ToJson(configOld.vmess));
+            var profileItems = JsonUtils.Deserialize<List<ProfileItem>>(JsonUtils.Serialize(configOld.vmess));
             foreach (var it in profileItems)
             {
                 if (Utils.IsNullOrEmpty(it.indexId))
@@ -291,13 +291,13 @@ namespace v2rayN.Handler
                 {
                     continue;
                 }
-                var routing = JsonUtils.FromJson<RoutingItem>(JsonUtils.ToJson(it));
+                var routing = JsonUtils.Deserialize<RoutingItem>(JsonUtils.Serialize(it));
                 foreach (var it2 in it.rules)
                 {
                     it2.id = Utils.GetGUID(false);
                 }
                 routing.ruleNum = it.rules.Count;
-                routing.ruleSet = JsonUtils.ToJson(it.rules, false);
+                routing.ruleSet = JsonUtils.Serialize(it.rules, false);
 
                 if (Utils.IsNullOrEmpty(routing.id))
                 {
@@ -306,7 +306,7 @@ namespace v2rayN.Handler
                 SqliteHelper.Instance.Replace(routing);
             }
 
-            config = JsonUtils.FromJson<Config>(JsonUtils.ToJson(configOld));
+            config = JsonUtils.Deserialize<Config>(JsonUtils.Serialize(configOld));
 
             if (config.coreBasicItem == null)
             {
@@ -1161,7 +1161,7 @@ namespace v2rayN.Handler
 
             ProfileItem profileItem = new();
             //Is v2ray configuration
-            V2rayConfig? v2rayConfig = JsonUtils.FromJson<V2rayConfig>(clipboardData);
+            V2rayConfig? v2rayConfig = JsonUtils.Deserialize<V2rayConfig>(clipboardData);
             if (v2rayConfig?.inbounds?.Count > 0
                 && v2rayConfig.outbounds?.Count > 0)
             {
@@ -1252,10 +1252,10 @@ namespace v2rayN.Handler
             }
 
             //SsSIP008
-            var lstSsServer = JsonUtils.FromJson<List<SsServer>>(clipboardData);
+            var lstSsServer = JsonUtils.Deserialize<List<SsServer>>(clipboardData);
             if (lstSsServer?.Count <= 0)
             {
-                var ssSIP008 = JsonUtils.FromJson<SsSIP008>(clipboardData);
+                var ssSIP008 = JsonUtils.Deserialize<SsSIP008>(clipboardData);
                 if (ssSIP008?.servers?.Count > 0)
                 {
                     lstSsServer = ssSIP008.servers;
@@ -1467,7 +1467,7 @@ namespace v2rayN.Handler
                 return -1;
             }
 
-            var lstRules = JsonUtils.FromJson<List<RulesItem>>(clipboardData);
+            var lstRules = JsonUtils.Deserialize<List<RulesItem>>(clipboardData);
             if (lstRules == null)
             {
                 return -1;
@@ -1478,7 +1478,7 @@ namespace v2rayN.Handler
                 item.id = Utils.GetGUID(false);
             }
             routingItem.ruleNum = lstRules.Count;
-            routingItem.ruleSet = JsonUtils.ToJson(lstRules, false);
+            routingItem.ruleSet = JsonUtils.Serialize(lstRules, false);
 
             if (Utils.IsNullOrEmpty(routingItem.id))
             {
diff --git a/v2rayN/v2rayN/Handler/CoreConfigHandler.cs b/v2rayN/v2rayN/Handler/CoreConfigHandler.cs
index 525f1cf5..8c61f69f 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 = JsonUtils.ToJson(singboxConfig);
+                        content = JsonUtils.Serialize(singboxConfig);
                     }
                     else
                     {
-                        JsonUtils.ToJsonFile(singboxConfig, fileName, false);
+                        JsonUtils.ToFile(singboxConfig, fileName, false);
                     }
                 }
                 else
@@ -51,11 +51,11 @@ namespace v2rayN.Handler
                     }
                     if (Utils.IsNullOrEmpty(fileName))
                     {
-                        content = JsonUtils.ToJson(v2rayConfig);
+                        content = JsonUtils.Serialize(v2rayConfig);
                     }
                     else
                     {
-                        JsonUtils.ToJsonFile(v2rayConfig, fileName, false);
+                        JsonUtils.ToFile(v2rayConfig, fileName, false);
                     }
                 }
             }
@@ -158,7 +158,7 @@ namespace v2rayN.Handler
                 {
                     return -1;
                 }
-                JsonUtils.ToJsonFile(singboxConfig, fileName, false);
+                JsonUtils.ToFile(singboxConfig, fileName, false);
             }
             else
             {
@@ -166,7 +166,7 @@ namespace v2rayN.Handler
                 {
                     return -1;
                 }
-                JsonUtils.ToJsonFile(v2rayConfig, fileName, false);
+                JsonUtils.ToFile(v2rayConfig, fileName, false);
             }
             return 0;
         }
diff --git a/v2rayN/v2rayN/Handler/CoreConfigSingbox.cs b/v2rayN/v2rayN/Handler/CoreConfigSingbox.cs
index 629f84bd..7b8c4438 100644
--- a/v2rayN/v2rayN/Handler/CoreConfigSingbox.cs
+++ b/v2rayN/v2rayN/Handler/CoreConfigSingbox.cs
@@ -35,7 +35,7 @@ namespace v2rayN.Handler
                     return -1;
                 }
 
-                singboxConfig = JsonUtils.FromJson<SingboxConfig>(result);
+                singboxConfig = JsonUtils.Deserialize<SingboxConfig>(result);
                 if (singboxConfig == null)
                 {
                     msg = ResUI.FailedGenDefaultConfiguration;
@@ -177,7 +177,7 @@ namespace v2rayN.Handler
                         _config.tunModeItem.stack = Global.TunStacks[0];
                     }
 
-                    var tunInbound = JsonUtils.FromJson<Inbound4Sbox>(Utils.GetEmbedText(Global.TunSingboxInboundFileName)) ?? new Inbound4Sbox { };
+                    var tunInbound = JsonUtils.Deserialize<Inbound4Sbox>(Utils.GetEmbedText(Global.TunSingboxInboundFileName)) ?? new Inbound4Sbox { };
                     tunInbound.mtu = _config.tunModeItem.mtu;
                     tunInbound.strict_route = _config.tunModeItem.strictRoute;
                     tunInbound.stack = _config.tunModeItem.stack;
@@ -458,7 +458,7 @@ namespace v2rayN.Handler
                 if (prevNode is not null
                     && prevNode.configType != EConfigType.Custom)
                 {
-                    var prevOutbound = JsonUtils.FromJson<Outbound4Sbox>(txtOutbound);
+                    var prevOutbound = JsonUtils.Deserialize<Outbound4Sbox>(txtOutbound);
                     GenOutbound(prevNode, prevOutbound);
                     prevOutbound.tag = $"{Global.ProxyTag}2";
                     singboxConfig.outbounds.Add(prevOutbound);
@@ -471,7 +471,7 @@ namespace v2rayN.Handler
                 if (nextNode is not null
                     && nextNode.configType != EConfigType.Custom)
                 {
-                    var nextOutbound = JsonUtils.FromJson<Outbound4Sbox>(txtOutbound);
+                    var nextOutbound = JsonUtils.Deserialize<Outbound4Sbox>(txtOutbound);
                     GenOutbound(nextNode, nextOutbound);
                     nextOutbound.tag = Global.ProxyTag;
                     singboxConfig.outbounds.Insert(0, nextOutbound);
@@ -496,7 +496,7 @@ namespace v2rayN.Handler
                 {
                     singboxConfig.route.auto_detect_interface = true;
 
-                    var tunRules = JsonUtils.FromJson<List<Rule4Sbox>>(Utils.GetEmbedText(Global.TunSingboxRulesFileName));
+                    var tunRules = JsonUtils.Deserialize<List<Rule4Sbox>>(Utils.GetEmbedText(Global.TunSingboxRulesFileName));
                     singboxConfig.route.rules.AddRange(tunRules);
 
                     GenRoutingDirectExe(out List<string> lstDnsExe, out List<string> lstDirectExe);
@@ -519,7 +519,7 @@ namespace v2rayN.Handler
                     var routing = ConfigHandler.GetDefaultRouting(_config);
                     if (routing != null)
                     {
-                        var rules = JsonUtils.FromJson<List<RulesItem>>(routing.ruleSet);
+                        var rules = JsonUtils.Deserialize<List<RulesItem>>(routing.ruleSet);
                         foreach (var item in rules!)
                         {
                             if (item.enabled)
@@ -534,7 +534,7 @@ namespace v2rayN.Handler
                     var lockedItem = ConfigHandler.GetLockedRoutingItem(_config);
                     if (lockedItem != null)
                     {
-                        var rules = JsonUtils.FromJson<List<RulesItem>>(lockedItem.ruleSet);
+                        var rules = JsonUtils.Deserialize<List<RulesItem>>(lockedItem.ruleSet);
                         foreach (var item in rules!)
                         {
                             GenRoutingUserRule(item, singboxConfig.route.rules);
@@ -726,7 +726,7 @@ namespace v2rayN.Handler
                     {
                         tunDNS = Utils.GetEmbedText(Global.TunSingboxDNSFileName);
                     }
-                    dns4Sbox = JsonUtils.FromJson<Dns4Sbox>(tunDNS);
+                    dns4Sbox = JsonUtils.Deserialize<Dns4Sbox>(tunDNS);
                 }
                 else
                 {
@@ -737,7 +737,7 @@ namespace v2rayN.Handler
                         normalDNS = "{\"servers\":[{\"address\":\"tcp://8.8.8.8\"}]}";
                     }
 
-                    dns4Sbox = JsonUtils.FromJson<Dns4Sbox>(normalDNS);
+                    dns4Sbox = JsonUtils.Deserialize<Dns4Sbox>(normalDNS);
                 }
                 if (dns4Sbox is null)
                 {
@@ -821,7 +821,7 @@ namespace v2rayN.Handler
                     return -1;
                 }
 
-                singboxConfig = JsonUtils.FromJson<SingboxConfig>(result);
+                singboxConfig = JsonUtils.Deserialize<SingboxConfig>(result);
                 if (singboxConfig == null)
                 {
                     msg = ResUI.FailedGenDefaultConfiguration;
@@ -919,7 +919,7 @@ namespace v2rayN.Handler
                         continue;
                     }
 
-                    var outbound = JsonUtils.FromJson<Outbound4Sbox>(txtOutbound);
+                    var outbound = JsonUtils.Deserialize<Outbound4Sbox>(txtOutbound);
                     GenOutbound(item, outbound);
                     outbound.tag = Global.ProxyTag + inbound.listen_port.ToString();
                     singboxConfig.outbounds.Add(outbound);
diff --git a/v2rayN/v2rayN/Handler/CoreConfigV2ray.cs b/v2rayN/v2rayN/Handler/CoreConfigV2ray.cs
index c2bb713b..a77e94bc 100644
--- a/v2rayN/v2rayN/Handler/CoreConfigV2ray.cs
+++ b/v2rayN/v2rayN/Handler/CoreConfigV2ray.cs
@@ -37,7 +37,7 @@ namespace v2rayN.Handler
                     return -1;
                 }
 
-                v2rayConfig = JsonUtils.FromJson<V2rayConfig>(result);
+                v2rayConfig = JsonUtils.Deserialize<V2rayConfig>(result);
                 if (v2rayConfig == null)
                 {
                     msg = ResUI.FailedGenDefaultConfiguration;
@@ -153,7 +153,7 @@ namespace v2rayN.Handler
                 return null;
             }
 
-            var inbound = JsonUtils.FromJson<Inbounds4Ray>(result);
+            var inbound = JsonUtils.Deserialize<Inbounds4Ray>(result);
             if (inbound == null)
             {
                 return null;
@@ -186,12 +186,12 @@ namespace v2rayN.Handler
                             {
                                 v2rayConfig.routing.domainStrategy = routing.domainStrategy;
                             }
-                            var rules = JsonUtils.FromJson<List<RulesItem>>(routing.ruleSet);
+                            var rules = JsonUtils.Deserialize<List<RulesItem>>(routing.ruleSet);
                             foreach (var item in rules)
                             {
                                 if (item.enabled)
                                 {
-                                    var item2 = JsonUtils.FromJson<RulesItem4Ray>(JsonUtils.ToJson(item));
+                                    var item2 = JsonUtils.Deserialize<RulesItem4Ray>(JsonUtils.Serialize(item));
                                     GenRoutingUserRule(item2, v2rayConfig);
                                 }
                             }
@@ -202,10 +202,10 @@ namespace v2rayN.Handler
                         var lockedItem = ConfigHandler.GetLockedRoutingItem(_config);
                         if (lockedItem != null)
                         {
-                            var rules = JsonUtils.FromJson<List<RulesItem>>(lockedItem.ruleSet);
+                            var rules = JsonUtils.Deserialize<List<RulesItem>>(lockedItem.ruleSet);
                             foreach (var item in rules)
                             {
-                                var item2 = JsonUtils.FromJson<RulesItem4Ray>(JsonUtils.ToJson(item));
+                                var item2 = JsonUtils.Deserialize<RulesItem4Ray>(JsonUtils.Serialize(item));
                                 GenRoutingUserRule(item2, v2rayConfig);
                             }
                         }
@@ -687,7 +687,7 @@ namespace v2rayN.Handler
                                 pathHttp = string.Join("\",\"", arrPath);
                             }
                             request = request.Replace("$requestPath$", $"\"{pathHttp}\"");
-                            tcpSettings.header.request = JsonUtils.FromJson<object>(request);
+                            tcpSettings.header.request = JsonUtils.Deserialize<object>(request);
 
                             streamSettings.tcpSettings = tcpSettings;
                         }
@@ -848,7 +848,7 @@ namespace v2rayN.Handler
                     && prevNode.configType != EConfigType.Hysteria2
                     && prevNode.configType != EConfigType.Tuic)
                 {
-                    var prevOutbound = JsonUtils.FromJson<Outbounds4Ray>(txtOutbound);
+                    var prevOutbound = JsonUtils.Deserialize<Outbounds4Ray>(txtOutbound);
                     GenOutbound(prevNode, prevOutbound);
                     prevOutbound.tag = $"{Global.ProxyTag}2";
                     v2rayConfig.outbounds.Add(prevOutbound);
@@ -866,7 +866,7 @@ namespace v2rayN.Handler
                     && nextNode.configType != EConfigType.Hysteria2
                     && nextNode.configType != EConfigType.Tuic)
                 {
-                    var nextOutbound = JsonUtils.FromJson<Outbounds4Ray>(txtOutbound);
+                    var nextOutbound = JsonUtils.Deserialize<Outbounds4Ray>(txtOutbound);
                     GenOutbound(nextNode, nextOutbound);
                     nextOutbound.tag = Global.ProxyTag;
                     v2rayConfig.outbounds.Insert(0, nextOutbound);
@@ -911,7 +911,7 @@ namespace v2rayN.Handler
                     return -1;
                 }
 
-                v2rayConfig = JsonUtils.FromJson<V2rayConfig>(result);
+                v2rayConfig = JsonUtils.Deserialize<V2rayConfig>(result);
                 if (v2rayConfig == null)
                 {
                     msg = ResUI.FailedGenDefaultConfiguration;
@@ -1008,7 +1008,7 @@ namespace v2rayN.Handler
                         continue;
                     }
 
-                    var outbound = JsonUtils.FromJson<Outbounds4Ray>(txtOutbound);
+                    var outbound = JsonUtils.Deserialize<Outbounds4Ray>(txtOutbound);
                     GenOutbound(item, outbound);
                     outbound.tag = Global.ProxyTag + inbound.port.ToString();
                     v2rayConfig.outbounds.Add(outbound);
diff --git a/v2rayN/v2rayN/Handler/ProxySetting.cs b/v2rayN/v2rayN/Handler/ProxySetting.cs
index e728f3f4..1e7c17c9 100644
--- a/v2rayN/v2rayN/Handler/ProxySetting.cs
+++ b/v2rayN/v2rayN/Handler/ProxySetting.cs
@@ -320,27 +320,5 @@ namespace v2rayN.Handler
                 ref int lpcEntries        // Number of entries written to the buffer
             );
         }
-
-        //判断是否使用代理
-        public static bool UsedProxy()
-        {
-            using RegistryKey? rk = Registry.CurrentUser.OpenSubKey(@"Software\Microsoft\Windows\CurrentVersion\Internet Settings", true);
-            if (rk?.GetValue("ProxyEnable")?.ToString() == "1")
-            {
-                return true;
-            }
-            else
-            {
-                return false;
-            }
-        }
-
-        //获得代理的IP和端口
-        public static string? GetProxyProxyServer()
-        {
-            using RegistryKey? rk = Registry.CurrentUser.OpenSubKey(@"Software\Microsoft\Windows\CurrentVersion\Internet Settings", true);
-            string ProxyServer = rk.GetValue("ProxyServer").ToString();
-            return ProxyServer;
-        }
     }
 }
\ No newline at end of file
diff --git a/v2rayN/v2rayN/Handler/ShareHandler.cs b/v2rayN/v2rayN/Handler/ShareHandler.cs
index dec56779..6ad7f506 100644
--- a/v2rayN/v2rayN/Handler/ShareHandler.cs
+++ b/v2rayN/v2rayN/Handler/ShareHandler.cs
@@ -65,7 +65,7 @@ namespace v2rayN.Handler
                 fp = item.fingerprint
             };
 
-            url = JsonUtils.ToJson(vmessQRCode);
+            url = JsonUtils.Serialize(vmessQRCode);
             url = Utils.Base64Encode(url);
             url = $"{Global.ProtocolShares[EConfigType.VMess]}{url}";
 
@@ -450,7 +450,7 @@ namespace v2rayN.Handler
             result = Utils.Base64Decode(result);
 
             //转成Json
-            VmessQRCode? vmessQRCode = JsonUtils.FromJson<VmessQRCode>(result);
+            VmessQRCode? vmessQRCode = JsonUtils.Deserialize<VmessQRCode>(result);
             if (vmessQRCode == null)
             {
                 msg = ResUI.FailedConversionConfiguration;
diff --git a/v2rayN/v2rayN/Handler/StatisticsSingbox.cs b/v2rayN/v2rayN/Handler/StatisticsSingbox.cs
index 60519d1d..7db85996 100644
--- a/v2rayN/v2rayN/Handler/StatisticsSingbox.cs
+++ b/v2rayN/v2rayN/Handler/StatisticsSingbox.cs
@@ -113,7 +113,7 @@ namespace v2rayN.Handler
             up = 0; down = 0;
             try
             {
-                var trafficItem = JsonUtils.FromJson<TrafficItem>(source);
+                var trafficItem = JsonUtils.Deserialize<TrafficItem>(source);
                 if (trafficItem != null)
                 {
                     up = trafficItem.up;
diff --git a/v2rayN/v2rayN/Handler/UpdateHandle.cs b/v2rayN/v2rayN/Handler/UpdateHandle.cs
index 365eb039..6236c58f 100644
--- a/v2rayN/v2rayN/Handler/UpdateHandle.cs
+++ b/v2rayN/v2rayN/Handler/UpdateHandle.cs
@@ -407,7 +407,7 @@ namespace v2rayN.Handler
         {
             try
             {
-                var gitHubReleases = JsonUtils.FromJson<List<GitHubRelease>>(gitHubReleaseApi);
+                var gitHubReleases = JsonUtils.Deserialize<List<GitHubRelease>>(gitHubReleaseApi);
                 var gitHubRelease = preRelease ? gitHubReleases!.First() : gitHubReleases!.First(r => r.Prerelease == false);
                 var version = new SemanticVersion(gitHubRelease!.TagName);
                 var body = gitHubRelease!.Body;
diff --git a/v2rayN/v2rayN/ViewModels/DNSSettingViewModel.cs b/v2rayN/v2rayN/ViewModels/DNSSettingViewModel.cs
index 0192e8fa..a5cb132e 100644
--- a/v2rayN/v2rayN/ViewModels/DNSSettingViewModel.cs
+++ b/v2rayN/v2rayN/ViewModels/DNSSettingViewModel.cs
@@ -78,7 +78,7 @@ namespace v2rayN.ViewModels
             }
             if (!Utils.IsNullOrEmpty(normalDNS2))
             {
-                var obj2 = JsonUtils.FromJson<Dns4Sbox>(normalDNS2);
+                var obj2 = JsonUtils.Deserialize<Dns4Sbox>(normalDNS2);
                 if (obj2 == null)
                 {
                     UI.Show(ResUI.FillCorrectDNSText);
@@ -87,7 +87,7 @@ namespace v2rayN.ViewModels
             }
             if (!Utils.IsNullOrEmpty(tunDNS2))
             {
-                var obj2 = JsonUtils.FromJson<Dns4Sbox>(tunDNS2);
+                var obj2 = JsonUtils.Deserialize<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 = JsonUtils.ToJson(JsonUtils.ParseJson(normalDNS2));
-            item2.tunDNS = JsonUtils.ToJson(JsonUtils.ParseJson(tunDNS2));
+            item2.normalDNS = JsonUtils.Serialize(JsonUtils.ParseJson(normalDNS2));
+            item2.tunDNS = JsonUtils.Serialize(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 52f581bc..eb622188 100644
--- a/v2rayN/v2rayN/ViewModels/MainWindowViewModel.cs
+++ b/v2rayN/v2rayN/ViewModels/MainWindowViewModel.cs
@@ -832,7 +832,7 @@ namespace v2rayN.ViewModels
                             totalDown = t22 == null ? "" : Utils.HumanFy(t22.totalDown),
                             totalUp = t22 == null ? "" : Utils.HumanFy(t22.totalUp)
                         }).OrderBy(t => t.sort).ToList();
-            _lstProfile = JsonUtils.FromJson<List<ProfileItem>>(JsonUtils.ToJson(lstModel));
+            _lstProfile = JsonUtils.Deserialize<List<ProfileItem>>(JsonUtils.Serialize(lstModel));
 
             Application.Current.Dispatcher.Invoke((Action)(() =>
             {
@@ -938,7 +938,7 @@ namespace v2rayN.ViewModels
             }
             else
             {
-                lstSelecteds = JsonUtils.FromJson<List<ProfileItem>>(JsonUtils.ToJson(orderProfiles));
+                lstSelecteds = JsonUtils.Deserialize<List<ProfileItem>>(JsonUtils.Serialize(orderProfiles));
             }
 
             return 0;
diff --git a/v2rayN/v2rayN/ViewModels/RoutingRuleSettingViewModel.cs b/v2rayN/v2rayN/ViewModels/RoutingRuleSettingViewModel.cs
index 52f08ba4..23dcc2e4 100644
--- a/v2rayN/v2rayN/ViewModels/RoutingRuleSettingViewModel.cs
+++ b/v2rayN/v2rayN/ViewModels/RoutingRuleSettingViewModel.cs
@@ -58,7 +58,7 @@ namespace v2rayN.ViewModels
             else
             {
                 SelectedRouting = routingItem;
-                _rules = JsonUtils.FromJson<List<RulesItem>>(SelectedRouting.ruleSet);
+                _rules = JsonUtils.Deserialize<List<RulesItem>>(SelectedRouting.ruleSet);
             }
 
             RefreshRulesItems();
@@ -207,7 +207,7 @@ namespace v2rayN.ViewModels
             }
             if (lst.Count > 0)
             {
-                Utils.SetClipboardData(JsonUtils.ToJson(lst));
+                Utils.SetClipboardData(JsonUtils.Serialize(lst));
                 //UI.Show(ResUI.OperationSuccess"));
             }
         }
@@ -246,7 +246,7 @@ namespace v2rayN.ViewModels
                 it.id = Utils.GetGUID(false);
             }
             item.ruleNum = _rules.Count;
-            item.ruleSet = JsonUtils.ToJson(_rules, false);
+            item.ruleSet = JsonUtils.Serialize(_rules, false);
 
             if (ConfigHandler.SaveRoutingItem(_config, item) == 0)
             {
@@ -328,7 +328,7 @@ namespace v2rayN.ViewModels
             {
                 return -1;
             }
-            var lstRules = JsonUtils.FromJson<List<RulesItem>>(clipboardData);
+            var lstRules = JsonUtils.Deserialize<List<RulesItem>>(clipboardData);
             if (lstRules == null)
             {
                 return -1;
diff --git a/v2rayN/v2rayN/ViewModels/RoutingSettingViewModel.cs b/v2rayN/v2rayN/ViewModels/RoutingSettingViewModel.cs
index 0a19f4c4..dfcfddc4 100644
--- a/v2rayN/v2rayN/ViewModels/RoutingSettingViewModel.cs
+++ b/v2rayN/v2rayN/ViewModels/RoutingSettingViewModel.cs
@@ -136,7 +136,7 @@ namespace v2rayN.ViewModels
             _lockedItem = ConfigHandler.GetLockedRoutingItem(_config);
             if (_lockedItem != null)
             {
-                _lockedRules = JsonUtils.FromJson<List<RulesItem>>(_lockedItem.ruleSet);
+                _lockedRules = JsonUtils.Deserialize<List<RulesItem>>(_lockedItem.ruleSet);
                 ProxyDomain = Utils.List2String(_lockedRules[0].domain, true);
                 ProxyIP = Utils.List2String(_lockedRules[0].ip, true);
 
@@ -161,7 +161,7 @@ namespace v2rayN.ViewModels
                 _lockedRules[2].domain = Utils.String2List(Utils.Convert2Comma(BlockDomain.TrimEx()));
                 _lockedRules[2].ip = Utils.String2List(Utils.Convert2Comma(BlockIP.TrimEx()));
 
-                _lockedItem.ruleSet = JsonUtils.ToJson(_lockedRules, false);
+                _lockedItem.ruleSet = JsonUtils.Serialize(_lockedRules, false);
 
                 ConfigHandler.SaveRoutingItem(_config, _lockedItem);
             }