diff --git a/apps/sdlan/src/quic/quic_client.erl b/apps/sdlan/src/quic/quic_client.erl
new file mode 100644
index 0000000..3d6e252
--- /dev/null
+++ b/apps/sdlan/src/quic/quic_client.erl
@@ -0,0 +1,26 @@
+%%%-------------------------------------------------------------------
+%%% @author anlicheng
+%%% @copyright (C) 2026, <COMPANY>
+%%% @doc
+%%%
+%%% @end
+%%% Created : 13. 2月 2026 12:46
+%%%-------------------------------------------------------------------
+-module(quic_client).
+-author("anlicheng").
+
+%% API
+-export([start/0]).
+-export([do_start/0]).
+
+start() ->
+    erlang:spawn(?MODULE, do_start, []).
+
+do_start() ->
+    Port = 1365,
+    {ok, Conn} = quicer:connect("localhost", Port, [{alpn, ["punchnet/1.0"]}, {verify, none}], 5000),
+    {ok, Stm} = quicer:start_stream(Conn, []),
+    {ok, 4} = quicer:send(Stm, <<"ping">>),
+    logger:debug("[quic_client] client send success"),
+    receive {quic, <<"pong">>, Stm, _Props} -> ok end,
+    ok = quicer:close_connection(Conn).
\ No newline at end of file
diff --git a/apps/sdlan/src/quic/sdlan_quic_channel.erl b/apps/sdlan/src/quic/sdlan_quic_channel.erl
index 140897e..514b993 100644
--- a/apps/sdlan/src/quic/sdlan_quic_channel.erl
+++ b/apps/sdlan/src/quic/sdlan_quic_channel.erl
@@ -55,11 +55,11 @@ callback_mode() ->
 %% process message, this function is called.
 
 handle_event(internal, do_init, initializing, State = #state{conn = Conn}) ->
+    logger:debug("[sdlan_quic_channel] conn: ~p, do_init", [Conn]),
     case quicer:accept_stream(Conn, []) of
         {ok, Stream} ->
+            logger:debug("[sdlan_quic_channel] get stream: ~p", [Stream]),
             {next_state, initialized, State#state{stream_handle = Stream}};
-        {error, closed} ->
-            {stop, connection_closed, State};
         {error, Reason} ->
             logger:error("accept stream failed: ~p", [Reason]),
             {stop, Reason, State}
@@ -67,7 +67,7 @@ handle_event(internal, do_init, initializing, State = #state{conn = Conn}) ->
 
 %% 处理quicer相关的信息
 handle_event(info, {quic, Msg, Stream, _Props}, _StateName, State = #state{stream_handle = Stream}) ->
-    logger:debug("[sdlan_quic_stream] get message: ~p", [Msg]),
+    logger:debug("[sdlan_quic_channel] get message: ~p", [Msg]),
     {keep_state, State};
 
 handle_event(info, {quic_closed, Stream, _Props}, _StateName, State = #state{conn = Conn, stream_handle = Stream}) ->
diff --git a/apps/sdlan/src/quic/sdlan_quic_server.erl b/apps/sdlan/src/quic/sdlan_quic_server.erl
index d2df570..3f65e5f 100644
--- a/apps/sdlan/src/quic/sdlan_quic_server.erl
+++ b/apps/sdlan/src/quic/sdlan_quic_server.erl
@@ -35,10 +35,12 @@ init() ->
 loop_accept(L) ->
     case quicer:accept(L, [], infinity) of
         {ok, Conn} ->
+            logger:debug("[sdlan_quic_server] accept a new connection: ~p", [Conn]),
             case quicer:handshake(Conn) of
-                ok ->
-                    {ok, ChannelPid} = sdlan_quic_channel:start_link(Conn),
-                    quicer:controlling_process(Conn, ChannelPid),
+                {ok, NConn} ->
+                    logger:debug("[sdlan_quic_server] conn: ~p, handshake success", [NConn]),
+                    {ok, ChannelPid} = sdlan_quic_channel:start_link(NConn),
+                    quicer:controlling_process(NConn, ChannelPid),
                     loop_accept(L);
                 {error, _} ->
                     quicer:close_connection(Conn),