From 45037114e3c8ffe012e9857414cbd424829ebce9 Mon Sep 17 00:00:00 2001
From: gVisor bot <gvisor-bot@google.com>
Date: Wed, 5 Jan 2022 11:41:31 +0800
Subject: [PATCH] Fix: ignore empty dns server error

---
 dns/server.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/dns/server.go b/dns/server.go
index 49d4541a..db903349 100644
--- a/dns/server.go
+++ b/dns/server.go
@@ -60,6 +60,10 @@ func ReCreateServer(addr string, resolver *Resolver, mapper *ResolverEnhancer) {
 		address = ""
 	}
 
+	if addr == "" {
+		return
+	}
+
 	var err error
 	defer func() {
 		if err != nil {