diff --git a/apps/iot/src/iot_host.erl b/apps/iot/src/iot_host.erl
index 8daeda6..91d509c 100644
--- a/apps/iot/src/iot_host.erl
+++ b/apps/iot/src/iot_host.erl
@@ -386,8 +386,9 @@ handle_event(cast, {handle, {feedback_result, Info0}}, ?STATE_SESSION, State = #
     end,
     {keep_state, State};
 
-handle_event(cast, {handle, {event, Event0}}, ?STATE_SESSION, State = #state{aes = AES}) ->
+handle_event(cast, {handle, {event, Event0}}, ?STATE_SESSION, State = #state{uuid = UUID, aes = AES}) ->
     EventText = iot_cipher_aes:decrypt(AES, Event0),
+    lager:debug("[iot_host] uuid: ~p, get event: ~p", [UUID, EventText]),
     case catch jiffy:decode(EventText, [return_maps]) of
         #{<<"event_type">> := ?EVENT_DEVICE, <<"params">> := #{<<"device_uuid">> := DeviceUUID, <<"status">> := Status}} ->
             DevicePid = iot_device:get_pid(DeviceUUID),