From 66cba3112325e83e17254fd826b576662725d99d Mon Sep 17 00:00:00 2001
From: Kslr <kslrwang@gmail.com>
Date: Sun, 14 Apr 2019 08:57:01 +0800
Subject: [PATCH] return error instead of panic, fixes #1638

---
 app/dns/udpns.go | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/app/dns/udpns.go b/app/dns/udpns.go
index f5c4ea6ef..853c95d21 100644
--- a/app/dns/udpns.go
+++ b/app/dns/udpns.go
@@ -367,8 +367,8 @@ func (s *ClassicNameServer) sendQuery(ctx context.Context, domain string, option
 	msgs := s.buildMsgs(domain, option)
 
 	for _, msg := range msgs {
-		b, err := dns.PackMessage(msg)
-		common.Must(err)
+		b, _ := dns.PackMessage(msg)
+
 		udpCtx := context.Background()
 		if inbound := session.InboundFromContext(ctx); inbound != nil {
 			udpCtx = session.ContextWithInbound(udpCtx, inbound)