From 9cbb54a5f40d11b1381a043cc3d65d4f5c0518d4 Mon Sep 17 00:00:00 2001
From: SukkaW <isukkaw@gmail.com>
Date: Thu, 30 Jul 2026 12:01:15 +0800
Subject: [PATCH] Fix Local DNS Mapping

---
 Build/build-domestic-direct-lan-ruleset-dns-mapping-module.ts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Build/build-domestic-direct-lan-ruleset-dns-mapping-module.ts b/Build/build-domestic-direct-lan-ruleset-dns-mapping-module.ts
index 4253bb02..f20354cf 100644
--- a/Build/build-domestic-direct-lan-ruleset-dns-mapping-module.ts
+++ b/Build/build-domestic-direct-lan-ruleset-dns-mapping-module.ts
@@ -207,6 +207,10 @@ export const buildDomesticRuleset = task(require.main === module, __filename)(as
             const ruleset_name = cur[0].toLowerCase();
             const { domains, dns, hosts, ruleset } = cur[1];
 
+            if (dns == null) {
+              return acc;
+            }
+
             Object.entries(hosts).forEach(([dns, ips]) => {
               acc[dns] ||= ips.join(', ');
             });