diff --git a/apps/sdlan/src/quic/sdlan_quic_channel.erl b/apps/sdlan/src/quic/sdlan_quic_channel.erl
index dded336..b07e972 100644
--- a/apps/sdlan/src/quic/sdlan_quic_channel.erl
+++ b/apps/sdlan/src/quic/sdlan_quic_channel.erl
@@ -99,6 +99,10 @@ handle_event(internal, do_init, initializing, State=#state{conn = Conn}) ->
     {ok, _} = quicer:async_accept_stream(Conn, #{active => true}),
     {next_state, waiting_stream, State};
 
+handle_event(info, {quic, dgram_state_changed, Conn, Opts = #{dgram_send_enabled := true}}, waiting_stream, State=#state{conn = Conn}) ->
+    logger:debug("[sdlan_quic_channel] dgram_state_changed, opts: ~p", [Opts]),
+    {keep_state, State};
+
 handle_event(info, {quic, new_stream, Stream, Opts}, waiting_stream, State=#state{max_packet_size = MaxPacketSize, heartbeat_sec = HeartbeatSec}) ->
     logger:debug("[sdlan_quic_channel] call new_stream: ~p, opts: ~p", [Stream, Opts]),
     %% 发送欢迎消息