diff --git a/apps/sdlan/src/quic/sdlan_quic_channel.erl b/apps/sdlan/src/quic/sdlan_quic_channel.erl
index 63644a5..94c4847 100644
--- a/apps/sdlan/src/quic/sdlan_quic_channel.erl
+++ b/apps/sdlan/src/quic/sdlan_quic_channel.erl
@@ -217,6 +217,7 @@ handle_event(info, {frame, <<?PACKET_POLICY_REQUEST, Body/binary>>}, registered,
 
 handle_event(info, {frame, <<?PACKET_PING>>}, registered, State = #state{stream = Stream, ping_counter = PingCounter}) ->
     quic_send(Stream, <<?PACKET_PONG>>),
+    logger:debug("[sdlan_quic_channel] get ping"),
     {keep_state, State#state{ping_counter = PingCounter + 1}};
 
 handle_event(info, {timeout, _, ping_ticker}, _, State = #state{client_id = ClientId, ping_counter = PingCounter}) ->
@@ -224,7 +225,7 @@ handle_event(info, {timeout, _, ping_ticker}, _, State = #state{client_id = Clie
     erlang:start_timer(?PING_TICKER, self(), ping_ticker),
     case PingCounter > 0 of
         true ->
-            {noreply, State#state{ping_counter = 0}};
+            {keep_state, State#state{ping_counter = 0}};
         false ->
             logger:debug("[sdlan_channel] client_id: ~p, ping losted", [ClientId]),
             {stop, normal, State#state{ping_counter = 0}}