From d561f10edc78780fc0b6cff34bc5d7852b9d19a1 Mon Sep 17 00:00:00 2001
From: DHR60 <dehongren60@gmail.com>
Date: Wed, 12 Mar 2025 18:36:51 +0800
Subject: [PATCH] Modify default fallback load balancing rule (#6889)

* Modify default fallback load balancing rule

* Refine default fallback load balancing rule based on domain strategy
---
 .../CoreConfig/CoreConfigV2rayService.cs      | 22 ++++++++++++++-----
 1 file changed, 17 insertions(+), 5 deletions(-)

diff --git a/v2rayN/ServiceLib/Services/CoreConfig/CoreConfigV2rayService.cs b/v2rayN/ServiceLib/Services/CoreConfig/CoreConfigV2rayService.cs
index 56fefd89..4077ea8c 100644
--- a/v2rayN/ServiceLib/Services/CoreConfig/CoreConfigV2rayService.cs
+++ b/v2rayN/ServiceLib/Services/CoreConfig/CoreConfigV2rayService.cs
@@ -182,12 +182,24 @@ namespace ServiceLib.Services.CoreConfig
                         rule.balancerTag = balancer.tag;
                     }
                 }
-                v2rayConfig.routing.rules.Add(new()
+                if (v2rayConfig.routing.domainStrategy == "IPIfNonMatch")
                 {
-                    network = "tcp,udp",
-                    balancerTag = balancer.tag,
-                    type = "field"
-                });
+                    v2rayConfig.routing.rules.Add(new()
+                    {
+                        ip = ["0.0.0.0/0", "::/0"],
+                        balancerTag = balancer.tag,
+                        type = "field"
+                    });
+                }
+                else
+                {
+                    v2rayConfig.routing.rules.Add(new()
+                    {
+                        network = "tcp,udp",
+                        balancerTag = balancer.tag,
+                        type = "field"
+                    });
+                }
 
                 ret.Success = true;
                 ret.Data = JsonUtils.Serialize(v2rayConfig);