diff --git a/docs/mac.md b/docs/mac.md
new file mode 100644
index 0000000..39917ae
--- /dev/null
+++ b/docs/mac.md
@@ -0,0 +1,2 @@
+## 查看当前系统的dns
+    scutil --dns
\ No newline at end of file
diff --git a/src/quic/sdlan_quic_channel.erl b/src/quic/sdlan_quic_channel.erl
index b474724..75b7d76 100644
--- a/src/quic/sdlan_quic_channel.erl
+++ b/src/quic/sdlan_quic_channel.erl
@@ -341,7 +341,6 @@ handle_event(info, {timeout, _, ping_ticker}, _, State = #state{client_id = Clie
 
 %% 发送指令信息
 handle_event(cast, {send_event, Event}, registered, #state{stream = Stream, client_id = ClientId}) ->
-    logger:debug("[sdlan_channel] client_id: ~p, will send eventType: ~p, event: ~p", [ClientId, Event]),
     quic_send(Stream, <<?PACKET_EVENT, Event/binary>>),
     keep_state_and_data;