diff --git a/apps/sdlan/src/quic/sdlan_quic_channel.erl b/apps/sdlan/src/quic/sdlan_quic_channel.erl
index dc920ee..8b18f45 100644
--- a/apps/sdlan/src/quic/sdlan_quic_channel.erl
+++ b/apps/sdlan/src/quic/sdlan_quic_channel.erl
@@ -95,6 +95,7 @@ callback_mode() ->
 %% process message, this function is called.
 
 handle_event(internal, do_init, initializing, State=#state{conn = Conn, max_packet_size = MaxPacketSize, heartbeat_sec = HeartbeatSec}) ->
+    logger:debug("[sdlan_quic_channel] call do_init of conn: ~p", [Conn]),
     case quicer:accept_stream(Conn, #{active => true}) of
         {ok, Stream} ->
             %% 发送欢迎消息
diff --git a/apps/sdlan/src/quic/sdlan_quic_server.erl b/apps/sdlan/src/quic/sdlan_quic_server.erl
index a2adca2..3c666e0 100644
--- a/apps/sdlan/src/quic/sdlan_quic_server.erl
+++ b/apps/sdlan/src/quic/sdlan_quic_server.erl
@@ -45,9 +45,9 @@ loop_accept(L, Limits) ->
             logger:debug("[sdlan_quic_server] accept a new connection: ~p", [Conn]),
             case quicer:handshake(Conn) of
                 {ok, NConn} ->
-                    logger:debug("[sdlan_quic_server] conn: ~p, handshake success", [NConn]),
                     case sdlan_quic_channel_sup:start_channel(NConn, Limits) of
                         {ok, ChannelPid} ->
+                            logger:debug("[sdlan_quic_server] conn: ~p, handshake success, channel pid: ~p", [NConn, ChannelPid]),
                             quicer:controlling_process(NConn, ChannelPid);
                         Error ->
                             quicer:close_connection(NConn),