From 28d731265c0e1da349ac04babdd827b3b7ed2876 Mon Sep 17 00:00:00 2001
From: 77-QiQi <87052253+77-QiQi@users.noreply.github.com>
Date: Mon, 17 Aug 2026 11:54:39 +0800
Subject: [PATCH] improve: skip empty addresses during DDNS updates (#1231)

---
 pkg/ddns/ddns.go | 19 ++++++++++++++-----
 1 file changed, 14 insertions(+), 5 deletions(-)

diff --git a/pkg/ddns/ddns.go b/pkg/ddns/ddns.go
index 1dc5c2e0..7759df54 100644
--- a/pkg/ddns/ddns.go
+++ b/pkg/ddns/ddns.go
@@ -54,16 +54,25 @@ func (provider *Provider) updateDomain(ctx context.Context, domain string) error
 		return err
 	}
 
-	// 当IPv4和IPv6同时成功才算作成功
+	// 独立处理 IPv4 更新
 	if *provider.DDNSProfile.EnableIPv4 {
-		if err = provider.addDomainRecord(ctx, "A", provider.IPAddrs.IPv4Addr); err != nil {
-			return err
+		if provider.IPAddrs.IPv4Addr == "" {
+			log.Printf("NEZHA>> Skip IPv4 update for domain %s: IPv4 address is empty", domain)
+		} else {
+			if err = provider.addDomainRecord(ctx, "A", provider.IPAddrs.IPv4Addr); err != nil {
+				return err
+			}
 		}
 	}
 
+	// 独立处理 IPv6 更新
 	if *provider.DDNSProfile.EnableIPv6 {
-		if err = provider.addDomainRecord(ctx, "AAAA", provider.IPAddrs.IPv6Addr); err != nil {
-			return err
+		if provider.IPAddrs.IPv6Addr == "" {
+			log.Printf("NEZHA>> Skip IPv6 update for domain %s: IPv6 address is empty", domain)
+		} else {
+			if err = provider.addDomainRecord(ctx, "AAAA", provider.IPAddrs.IPv6Addr); err != nil {
+				return err
+			}
 		}
 	}