From 0dd2a6dee5fdbf8598f47328ae44f81338b3fe8a Mon Sep 17 00:00:00 2001
From: Dreamacro <305009791@qq.com>
Date: Mon, 15 Jul 2019 10:18:42 +0800
Subject: [PATCH] Fix(dns): set handler when resolver not nil

---
 dns/server.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dns/server.go b/dns/server.go
index 9649587d..2f8585c0 100644
--- a/dns/server.go
+++ b/dns/server.go
@@ -32,7 +32,7 @@ func (s *Server) setHandler(handler handler) {
 }
 
 func ReCreateServer(addr string, resolver *Resolver) error {
-	if addr == address {
+	if addr == address && resolver != nil {
 		handler := newHandler(resolver)
 		server.setHandler(handler)
 		return nil