diff --git a/v2rayN/ServiceLib/Resx/ResUI.Designer.cs b/v2rayN/ServiceLib/Resx/ResUI.Designer.cs
index 19ca4f0d..eddaa0a7 100644
--- a/v2rayN/ServiceLib/Resx/ResUI.Designer.cs
+++ b/v2rayN/ServiceLib/Resx/ResUI.Designer.cs
@@ -2932,16 +2932,7 @@ namespace ServiceLib.Resx {
         }
         
         /// <summary>
-        ///   查找类似 The sing-box DoH resolution server can be overwritten 的本地化字符串。
-        /// </summary>
-        public static string TbSBDoHOverride {
-            get {
-                return ResourceManager.GetString("TbSBDoHOverride", resourceCulture);
-            }
-        }
-        
-        /// <summary>
-        ///   查找类似 Fallback DNS Resolution, Require IP 的本地化字符串。
+        ///   查找类似 Resolve DNS server domains, requires IP 的本地化字符串。
         /// </summary>
         public static string TbSBFallbackDNSResolve {
             get {
diff --git a/v2rayN/ServiceLib/Resx/ResUI.fa-Ir.resx b/v2rayN/ServiceLib/Resx/ResUI.fa-Ir.resx
index 7be84774..14b1ff6f 100644
--- a/v2rayN/ServiceLib/Resx/ResUI.fa-Ir.resx
+++ b/v2rayN/ServiceLib/Resx/ResUI.fa-Ir.resx
@@ -1429,7 +1429,7 @@
     <value>Bootstrap DNS (sing-box)</value>
   </data>
   <data name="TbSBFallbackDNSResolve" xml:space="preserve">
-    <value>Fallback DNS Resolution, Require IP</value>
+    <value>Resolve DNS server domains, requires IP</value>
   </data>
   <data name="TbXrayFreedomResolveStrategy" xml:space="preserve">
     <value>xray Freedom Resolution Strategy</value>
@@ -1443,9 +1443,6 @@
   <data name="TbAddCommonDNSHosts" xml:space="preserve">
     <value>Add Common DNS Hosts</value>
   </data>
-  <data name="TbSBDoHOverride" xml:space="preserve">
-    <value>The sing-box DoH resolution server can be overwritten</value>
-  </data>
   <data name="TbFakeIP" xml:space="preserve">
     <value>FakeIP</value>
   </data>
diff --git a/v2rayN/ServiceLib/Resx/ResUI.hu.resx b/v2rayN/ServiceLib/Resx/ResUI.hu.resx
index a4701f0b..fb8c6a11 100644
--- a/v2rayN/ServiceLib/Resx/ResUI.hu.resx
+++ b/v2rayN/ServiceLib/Resx/ResUI.hu.resx
@@ -1429,7 +1429,7 @@
     <value>Bootstrap DNS (sing-box)</value>
   </data>
   <data name="TbSBFallbackDNSResolve" xml:space="preserve">
-    <value>Fallback DNS Resolution, Require IP</value>
+    <value>Resolve DNS server domains, requires IP</value>
   </data>
   <data name="TbXrayFreedomResolveStrategy" xml:space="preserve">
     <value>xray Freedom Resolution Strategy</value>
@@ -1443,9 +1443,6 @@
   <data name="TbAddCommonDNSHosts" xml:space="preserve">
     <value>Add Common DNS Hosts</value>
   </data>
-  <data name="TbSBDoHOverride" xml:space="preserve">
-    <value>The sing-box DoH resolution server can be overwritten</value>
-  </data>
   <data name="TbFakeIP" xml:space="preserve">
     <value>FakeIP</value>
   </data>
diff --git a/v2rayN/ServiceLib/Resx/ResUI.resx b/v2rayN/ServiceLib/Resx/ResUI.resx
index 94e03415..5b145da3 100644
--- a/v2rayN/ServiceLib/Resx/ResUI.resx
+++ b/v2rayN/ServiceLib/Resx/ResUI.resx
@@ -1429,7 +1429,7 @@
     <value>Bootstrap DNS (sing-box)</value>
   </data>
   <data name="TbSBFallbackDNSResolve" xml:space="preserve">
-    <value>Fallback DNS Resolution, Require IP</value>
+    <value>Resolve DNS server domains, requires IP</value>
   </data>
   <data name="TbXrayFreedomResolveStrategy" xml:space="preserve">
     <value>xray Freedom Resolution Strategy</value>
@@ -1443,9 +1443,6 @@
   <data name="TbAddCommonDNSHosts" xml:space="preserve">
     <value>Add Common DNS Hosts</value>
   </data>
-  <data name="TbSBDoHOverride" xml:space="preserve">
-    <value>The sing-box DoH resolution server can be overwritten</value>
-  </data>
   <data name="TbFakeIP" xml:space="preserve">
     <value>FakeIP</value>
   </data>
diff --git a/v2rayN/ServiceLib/Resx/ResUI.ru.resx b/v2rayN/ServiceLib/Resx/ResUI.ru.resx
index c72c83cf..27c2d0a3 100644
--- a/v2rayN/ServiceLib/Resx/ResUI.ru.resx
+++ b/v2rayN/ServiceLib/Resx/ResUI.ru.resx
@@ -1429,7 +1429,7 @@
     <value>Bootstrap DNS (sing-box)</value>
   </data>
   <data name="TbSBFallbackDNSResolve" xml:space="preserve">
-    <value>Fallback DNS Resolution, Require IP</value>
+    <value>Resolve DNS server domains, requires IP</value>
   </data>
   <data name="TbXrayFreedomResolveStrategy" xml:space="preserve">
     <value>Стратегия резолвинга Freedom (Xray)</value>
@@ -1443,9 +1443,6 @@
   <data name="TbAddCommonDNSHosts" xml:space="preserve">
     <value>Добавить стандартные записи hosts (DNS)</value>
   </data>
-  <data name="TbSBDoHOverride" xml:space="preserve">
-    <value>Сервер DoH-резолвера sing-box можно переопределить</value>
-  </data>
   <data name="TbFakeIP" xml:space="preserve">
     <value>FakeIP</value>
   </data>
diff --git a/v2rayN/ServiceLib/Resx/ResUI.zh-Hans.resx b/v2rayN/ServiceLib/Resx/ResUI.zh-Hans.resx
index 0d5092d0..a269c0a5 100644
--- a/v2rayN/ServiceLib/Resx/ResUI.zh-Hans.resx
+++ b/v2rayN/ServiceLib/Resx/ResUI.zh-Hans.resx
@@ -1426,7 +1426,7 @@
     <value>Bootstrap DNS (sing-box)</value>
   </data>
   <data name="TbSBFallbackDNSResolve" xml:space="preserve">
-    <value>回退 DNS 解析，需指定为 IP</value>
+    <value>解析 DNS 服务器域名，需指定为 IP</value>
   </data>
   <data name="TbXrayFreedomResolveStrategy" xml:space="preserve">
     <value>xray freedom 解析策略</value>
@@ -1440,9 +1440,6 @@
   <data name="TbAddCommonDNSHosts" xml:space="preserve">
     <value>添加常用 DNS Hosts</value>
   </data>
-  <data name="TbSBDoHOverride" xml:space="preserve">
-    <value>开启后可覆盖 sing-box DoH 解析服务器</value>
-  </data>
   <data name="TbFakeIP" xml:space="preserve">
     <value>FakeIP</value>
   </data>
diff --git a/v2rayN/ServiceLib/Resx/ResUI.zh-Hant.resx b/v2rayN/ServiceLib/Resx/ResUI.zh-Hant.resx
index 4ad280b0..81a01cfc 100644
--- a/v2rayN/ServiceLib/Resx/ResUI.zh-Hant.resx
+++ b/v2rayN/ServiceLib/Resx/ResUI.zh-Hant.resx
@@ -1426,7 +1426,7 @@
     <value>Bootstrap DNS (sing-box)</value>
   </data>
   <data name="TbSBFallbackDNSResolve" xml:space="preserve">
-    <value>Fallback DNS Resolution, Require IP</value>
+    <value>Resolve DNS server domains, requires IP</value>
   </data>
   <data name="TbXrayFreedomResolveStrategy" xml:space="preserve">
     <value>xray Freedom Resolution Strategy</value>
@@ -1440,9 +1440,6 @@
   <data name="TbAddCommonDNSHosts" xml:space="preserve">
     <value>Add Common DNS Hosts</value>
   </data>
-  <data name="TbSBDoHOverride" xml:space="preserve">
-    <value>The sing-box DoH resolution server can be overwritten</value>
-  </data>
   <data name="TbFakeIP" xml:space="preserve">
     <value>FakeIP</value>
   </data>
diff --git a/v2rayN/ServiceLib/Services/CoreConfig/V2ray/CoreConfigV2rayService.cs b/v2rayN/ServiceLib/Services/CoreConfig/V2ray/CoreConfigV2rayService.cs
index b6148580..24b41109 100644
--- a/v2rayN/ServiceLib/Services/CoreConfig/V2ray/CoreConfigV2rayService.cs
+++ b/v2rayN/ServiceLib/Services/CoreConfig/V2ray/CoreConfigV2rayService.cs
@@ -186,7 +186,7 @@ public partial class CoreConfigV2rayService(Config config)
 
             ret.Success = true;
 
-            ret.Data = await ApplyFullConfigTemplate(v2rayConfig, true);
+            ret.Data = await ApplyFullConfigTemplate(v2rayConfig);
             return ret;
         }
         catch (Exception ex)
diff --git a/v2rayN/ServiceLib/Services/CoreConfig/V2ray/V2rayConfigTemplateService.cs b/v2rayN/ServiceLib/Services/CoreConfig/V2ray/V2rayConfigTemplateService.cs
index 5d1f7d63..459e77de 100644
--- a/v2rayN/ServiceLib/Services/CoreConfig/V2ray/V2rayConfigTemplateService.cs
+++ b/v2rayN/ServiceLib/Services/CoreConfig/V2ray/V2rayConfigTemplateService.cs
@@ -4,7 +4,7 @@ namespace ServiceLib.Services.CoreConfig;
 
 public partial class CoreConfigV2rayService
 {
-    private async Task<string> ApplyFullConfigTemplate(V2rayConfig v2rayConfig, bool handleBalancerAndRules = false)
+    private async Task<string> ApplyFullConfigTemplate(V2rayConfig v2rayConfig)
     {
         var fullConfigTemplate = await AppManager.Instance.GetFullConfigTemplateItem(ECoreType.Xray);
         if (fullConfigTemplate == null || !fullConfigTemplate.Enabled || fullConfigTemplate.Config.IsNullOrEmpty())
@@ -19,7 +19,7 @@ public partial class CoreConfigV2rayService
         }
 
         // Handle balancer and rules modifications (for multiple load scenarios)
-        if (handleBalancerAndRules && v2rayConfig.routing?.balancers?.Count > 0)
+        if (v2rayConfig.routing?.balancers?.Count > 0)
         {
             var balancer = v2rayConfig.routing.balancers.First();
 
@@ -60,6 +60,34 @@ public partial class CoreConfigV2rayService
             }
         }
 
+        if (v2rayConfig.observatory != null)
+        {
+            if (fullConfigTemplateNode["observatory"] == null)
+            {
+                fullConfigTemplateNode["observatory"] = JsonNode.Parse(JsonUtils.Serialize(v2rayConfig.observatory));
+            }
+            else
+            {
+                var subjectSelector = v2rayConfig.observatory.subjectSelector;
+                subjectSelector.AddRange(fullConfigTemplateNode["observatory"]?["subjectSelector"]?.AsArray()?.Select(x => x?.GetValue<string>()) ?? []);
+                fullConfigTemplateNode["observatory"]["subjectSelector"] = JsonNode.Parse(JsonUtils.Serialize(subjectSelector.Distinct().ToList()));
+            }
+        }
+
+        if (v2rayConfig.burstObservatory != null)
+        {
+            if (fullConfigTemplateNode["burstObservatory"] == null)
+            {
+                fullConfigTemplateNode["burstObservatory"] = JsonNode.Parse(JsonUtils.Serialize(v2rayConfig.burstObservatory));
+            }
+            else
+            {
+                var subjectSelector = v2rayConfig.burstObservatory.subjectSelector;
+                subjectSelector.AddRange(fullConfigTemplateNode["burstObservatory"]?["subjectSelector"]?.AsArray()?.Select(x => x?.GetValue<string>()) ?? []);
+                fullConfigTemplateNode["burstObservatory"]["subjectSelector"] = JsonNode.Parse(JsonUtils.Serialize(subjectSelector.Distinct().ToList()));
+            }
+        }
+
         // Handle outbounds - append instead of override
         var customOutboundsNode = fullConfigTemplateNode["outbounds"] is JsonArray outbounds ? outbounds : new JsonArray();
         foreach (var outbound in v2rayConfig.outbounds)
diff --git a/v2rayN/v2rayN.Desktop/Views/DNSSettingWindow.axaml b/v2rayN/v2rayN.Desktop/Views/DNSSettingWindow.axaml
index b5e0a015..adaaedb0 100644
--- a/v2rayN/v2rayN.Desktop/Views/DNSSettingWindow.axaml
+++ b/v2rayN/v2rayN.Desktop/Views/DNSSettingWindow.axaml
@@ -173,13 +173,6 @@
                             Grid.Column="1"
                             Margin="{StaticResource Margin4}"
                             HorizontalAlignment="Left" />
-                        <TextBlock
-                            Grid.Row="8"
-                            Grid.Column="2"
-                            Margin="{StaticResource Margin4}"
-                            VerticalAlignment="Center"
-                            Text="{x:Static resx:ResUI.TbSBDoHOverride}"
-                            TextWrapping="Wrap" />
                     </Grid>
                 </ScrollViewer>
             </TabItem>
diff --git a/v2rayN/v2rayN/Views/DNSSettingWindow.xaml b/v2rayN/v2rayN/Views/DNSSettingWindow.xaml
index 37e2e535..cb719494 100644
--- a/v2rayN/v2rayN/Views/DNSSettingWindow.xaml
+++ b/v2rayN/v2rayN/Views/DNSSettingWindow.xaml
@@ -210,13 +210,6 @@
                             Grid.Column="1"
                             Margin="{StaticResource Margin8}"
                             HorizontalAlignment="Left" />
-                        <TextBlock
-                            Grid.Row="8"
-                            Grid.Column="3"
-                            Margin="{StaticResource Margin8}"
-                            VerticalAlignment="Center"
-                            Style="{StaticResource ToolbarTextBlock}"
-                            Text="{x:Static resx:ResUI.TbSBDoHOverride}" />
                     </Grid>
                 </ScrollViewer>
             </TabItem>