diff --git a/apps/dns_proxy/src/dns_handler.erl b/apps/dns_proxy/src/dns_handler.erl
index ccb4845..da672c8 100644
--- a/apps/dns_proxy/src/dns_handler.erl
+++ b/apps/dns_proxy/src/dns_handler.erl
@@ -125,7 +125,7 @@ handle_info({dns_resolver_reply, Resp}, State = #state{socket = Sock, src_ip = S
     %% 尝试解析
     case dns:decode_message(Resp) of
         Msg = #dns_message{answers = Answers} ->
-            lager:debug("[dns_handler] get a resolver reply: ~p", [Msg]),
+            lager:debug("[dns_handler] get a resolver reply: ~p, bin: ~p", [Msg, dns:encode_message(Msg)]),
             dns_cache:insert(Qname, Answers),
             gen_udp:send(Sock, SrcIp, SrcPort, Resp);
         Other ->