From 8895d230829efc351b73ed7502b99224ef4459a0 Mon Sep 17 00:00:00 2001
From: bin456789 <bin456789@gmail.com>
Date: Tue, 20 May 2025 11:12:58 +0800
Subject: [PATCH] =?UTF-8?q?net:=20=E4=BF=AE=E5=A4=8D=E7=89=B9=E6=AE=8A?=
 =?UTF-8?q?=E6=83=85=E5=86=B5=E4=B8=8B=20dns=20=E5=86=99=E5=85=A5=E5=90=8E?=
 =?UTF-8?q?=E5=8F=88=E8=A2=AB=E6=B8=85=E7=A9=BA?=
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---
 initrd-network.sh | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/initrd-network.sh b/initrd-network.sh
index 2c295a8..d6c0e20 100644
--- a/initrd-network.sh
+++ b/initrd-network.sh
@@ -466,11 +466,16 @@ if ! $ipv6_has_internet; then
 fi
 
 # 如果联网了，但没获取到默认 DNS，则添加我们的 DNS
-if $ipv4_has_internet && ! { [ -e /etc/resolv.conf ] && is_have_ipv4_dns; }; then
+
+# 有一种情况是，多网卡，且能上网的网卡先完成了这个脚本，不能上网的网卡后完成
+# 无法上网的网卡通过 flush_ipv4_config 删除了不能上网的 IP 和 dns
+# （原计划是删除无法上网的网卡 dhcp4 获取的 dns，但实际上无法区分）
+# 因此这里直接添加 dns，不判断是否联网
+if ! is_have_ipv4_dns; then
     echo "nameserver $ipv4_dns1" >>/etc/resolv.conf
     echo "nameserver $ipv4_dns2" >>/etc/resolv.conf
 fi
-if $ipv6_has_internet && ! { [ -e /etc/resolv.conf ] && is_have_ipv6_dns; }; then
+if ! is_have_ipv6_dns; then
     echo "nameserver $ipv6_dns1" >>/etc/resolv.conf
     echo "nameserver $ipv6_dns2" >>/etc/resolv.conf
 fi