From cb182125f6d2a7e431de3867a8de1be7dde2cffb Mon Sep 17 00:00:00 2001
From: DHR60 <dehongren60@gmail.com>
Date: Sat, 13 Sep 2025 11:13:09 +0800
Subject: [PATCH] Fix (#7946)

https://github.com/2dust/v2rayN/pull/7937
---
 .../Singbox/SingboxRoutingService.cs          | 24 ++++++++++++-------
 1 file changed, 15 insertions(+), 9 deletions(-)

diff --git a/v2rayN/ServiceLib/Services/CoreConfig/Singbox/SingboxRoutingService.cs b/v2rayN/ServiceLib/Services/CoreConfig/Singbox/SingboxRoutingService.cs
index 9fec047c..21dfb101 100644
--- a/v2rayN/ServiceLib/Services/CoreConfig/Singbox/SingboxRoutingService.cs
+++ b/v2rayN/ServiceLib/Services/CoreConfig/Singbox/SingboxRoutingService.cs
@@ -72,11 +72,6 @@ public partial class CoreConfigSingboxService
             }
 
             var hostsDomains = new List<string>();
-            var systemHostsMap = Utils.GetSystemHosts();
-            foreach (var kvp in systemHostsMap)
-            {
-                hostsDomains.Add(kvp.Key);
-            }
             var dnsItem = await AppManager.Instance.GetDNSItem(ECoreType.sing_box);
             if (dnsItem == null || dnsItem.Enabled == false)
             {
@@ -89,12 +84,23 @@ public partial class CoreConfigSingboxService
                         hostsDomains.Add(kvp.Key);
                     }
                 }
+                if (simpleDNSItem.UseSystemHosts == true)
+                {
+                    var systemHostsMap = Utils.GetSystemHosts();
+                    foreach (var kvp in systemHostsMap)
+                    {
+                        hostsDomains.Add(kvp.Key);
+                    }
+                }
             }
-            singboxConfig.route.rules.Add(new()
+            if (hostsDomains.Count > 0)
             {
-                action = "resolve",
-                domain = hostsDomains,
-            });
+                singboxConfig.route.rules.Add(new()
+                {
+                    action = "resolve",
+                    domain = hostsDomains,
+                });
+            }
 
             singboxConfig.route.rules.Add(new()
             {