diff --git a/apps/iot/src/iot_host.erl b/apps/iot/src/iot_host.erl
index 699fa97..d561002 100644
--- a/apps/iot/src/iot_host.erl
+++ b/apps/iot/src/iot_host.erl
@@ -230,9 +230,10 @@ handle_call({publish_message, _, _, _}, _From, State = #state{uuid = UUID}) ->
     {reply, {error, <<"主机状态错误，发送命令失败"/utf8>>}, State};
 
 %% 激活主机
-handle_call({activate, true}, _From, State = #state{aes = Aes, channel_pid = ChannelPid}) when is_pid(ChannelPid) ->
+handle_call({activate, true}, _From, State = #state{uuid = UUID, aes = Aes, channel_pid = ChannelPid}) when is_pid(ChannelPid) ->
     BinReply = jiffy:encode(#{<<"auth">> => true, <<"aes">> => Aes}, [force_utf8]),
     ws_channel:send(ChannelPid, <<8:8, BinReply/binary>>),
+    lager:debug("[iot_host] uuid: ~p, activate: true, will send message: ~p", [UUID, BinReply]),
     {reply, ok, State};
 handle_call({activate, true}, _From, State = #state{uuid = UUID, channel_pid = undefined}) ->
     lager:debug("[iot_host] uuid: ~p, activate: true, no channel", [UUID]),
@@ -244,7 +245,8 @@ handle_call({activate, false}, _From, State = #state{uuid = UUID, host_id = Host
         true ->
             BinReply = jiffy:encode(#{<<"auth">> => false}, [force_utf8]),
             ws_channel:send(ChannelPid, <<8:8, BinReply/binary>>),
-            ws_channel:stop(ChannelPid, closed);
+            ws_channel:stop(ChannelPid, closed),
+            lager:debug("[iot_host] uuid: ~p, activate: false, will send message: ~p", [UUID, BinReply]);
         false ->
             lager:debug("[iot_host] uuid: ~p, activate: false, no channel", [UUID])
     end,