From cee5d0ad89a676914048595d091214a7e181759b Mon Sep 17 00:00:00 2001
From: DHR60 <dehongren60@gmail.com>
Date: Tue, 8 Apr 2025 20:12:03 +0800
Subject: [PATCH] Improves geoip rule handling in singbox

---
 .../CoreConfig/CoreConfigSingboxService.cs    | 20 +++++++++++--------
 1 file changed, 12 insertions(+), 8 deletions(-)

diff --git a/v2rayN/ServiceLib/Services/CoreConfig/CoreConfigSingboxService.cs b/v2rayN/ServiceLib/Services/CoreConfig/CoreConfigSingboxService.cs
index 449a00fb..66d05cf7 100644
--- a/v2rayN/ServiceLib/Services/CoreConfig/CoreConfigSingboxService.cs
+++ b/v2rayN/ServiceLib/Services/CoreConfig/CoreConfigSingboxService.cs
@@ -1242,24 +1242,28 @@ public class CoreConfigSingboxService
         {
             return false;
         }
-        else if (address.StartsWith("geoip:!"))
-        {
-            return false;
-        }
         else if (address.Equals("geoip:private"))
         {
             rule.ip_is_private = true;
         }
         else if (address.StartsWith("geoip:"))
         {
-            if (rule.geoip is null)
-            { rule.geoip = new(); }
+            rule.geoip ??= new();
             rule.geoip?.Add(address.Substring(6));
         }
+        else if (address.Equals("geoip:!private"))
+        {
+            rule.ip_is_private = false;
+        }
+        else if (address.StartsWith("geoip:!"))
+        {
+            rule.geoip ??= new();
+            rule.geoip?.Add(address.Substring(6));
+            rule.invert = true;
+        }
         else
         {
-            if (rule.ip_cidr is null)
-            { rule.ip_cidr = new(); }
+            rule.ip_cidr ??= new();
             rule.ip_cidr?.Add(address);
         }
         return true;