diff --git a/apps/sdlan/src/quic/sdlan_quic_channel.erl b/apps/sdlan/src/quic/sdlan_quic_channel.erl
index a23cec2..b373d27 100644
--- a/apps/sdlan/src/quic/sdlan_quic_channel.erl
+++ b/apps/sdlan/src/quic/sdlan_quic_channel.erl
@@ -256,7 +256,7 @@ handle_event(internal, {frame, <<?PACKET_ARP_REQUEST, Body/binary>>}, registered
     #sdl_arp_request{pkt_id = PktId, target_ip = TargetIp} = sdlan_pb:decode_msg(Body, sdl_arp_request),
     case sdlan_network:arp_request(NetworkPid, TargetIp) of
         error ->
-            logger:debug("[sdlan_channel] network: ~p, arp_request target_ip: ~p, mac not found", [NetworkId, TargetIp]),
+            logger:debug("[sdlan_channel] network: ~p, arp_request target_ip: ~p, mac not found", [NetworkId, sdlan_util:int_to_ipv4(TargetIp)]),
             EmptyArpResponsePkt = sdlan_pb:encode_msg(#sdl_arp_response{
                 pkt_id = PktId,
                 target_ip = TargetIp,
diff --git a/apps/sdlan/src/sdlan_network.erl b/apps/sdlan/src/sdlan_network.erl
index 53767fe..4431548 100644
--- a/apps/sdlan/src/sdlan_network.erl
+++ b/apps/sdlan/src/sdlan_network.erl
@@ -293,14 +293,14 @@ handle_cast({forward, Sock, SrcMac, DstMac, Packet}, State = #state{network_id =
 
     PacketBytes = byte_size(Packet),
     case maps:find(DstMac, Endpoints) of
-        {ok, #endpoint{hole = #hole{peer = Peer = {Ip, Port}}}} ->
+        {ok, #endpoint{hole = #hole{peer = Peer = {NatIp, NatPort}}}} ->
             case limiting_check(ThrottleKey) of
                 pass ->
                     %% client和stun之间必须有心跳机制保持nat映射可用，并且通过服务转发的udp包肯定可以到达对端的nat
                     logger:debug("[sdlan_network] forward data networkd_id: ~p, src_mac: ~p, dst_mac: ~p, hole: ~p",
                         [NetworkId, sdlan_util:format_mac(SrcMac), sdlan_util:format_mac(DstMac), Peer]),
 
-                    gen_udp:send(Sock, Ip, Port, Packet),
+                    gen_udp:send(Sock, NatIp, NatPort, Packet),
                     {noreply, State#state{forward_bytes = ForwardBytes + PacketBytes}};
                 denied ->
                     logger:notice("[sdlan_network] networkd_id: ~p, src_mac: ~p, dst_mac: ~p, rate limited, discard",