diff --git a/apps/sdlan/src/sdlan_stun.erl b/apps/sdlan/src/sdlan_stun.erl
index 16cc9ee..755351d 100644
--- a/apps/sdlan/src/sdlan_stun.erl
+++ b/apps/sdlan/src/sdlan_stun.erl
@@ -103,7 +103,7 @@ handle_info({udp, Sock, Ip, Port, <<?PACKET_STUN_REQUEST:8, Body/binary>>}, Stat
 
     case sdlan_network:get_pid(NetworkId) of
         undefined ->
-            lager:debug("call me here stun request 11: ~p", [NetworkId]),
+            lager:debug("[sdlan_stun] stun_request network_id: ~p: ~p, not found", [NetworkId]),
             {noreply, State};
         NetworkPid when is_pid(NetworkPid) ->
             sdlan_network:update_hole(NetworkPid, ClientId, Mac, {Ip, Port}, NatType, V6Info),
@@ -111,7 +111,7 @@ handle_info({udp, Sock, Ip, Port, <<?PACKET_STUN_REQUEST:8, Body/binary>>}, Stat
                 cookie = Cookie
             }),
             ok = gen_udp:send(Sock, Ip, Port, <<?PACKET_STUN_REPLY, StunReply/binary>>),
-            lager:debug("call me here stun request 12"),
+            lager:debug("[sdlan_stun] stun_request network_id: ~p, hole: ~p", [NetworkId, {Ip, Port}]),
             {noreply, State}
     end;