diff --git a/apps/iot/src/iot_host.erl b/apps/iot/src/iot_host.erl
index 9b9a9ab..204ca3f 100644
--- a/apps/iot/src/iot_host.erl
+++ b/apps/iot/src/iot_host.erl
@@ -246,6 +246,7 @@ handle_event(cast, {handle, {data, Data}}, session, State = #state{uuid = UUID,
         Info = #{<<"service_name">> := ServiceName, <<"at">> := Timestamp, <<"fields">> := FieldsList, <<"tags">> := Tags} when is_binary(ServiceName) ->
             %% 查找终端设备对应的点位信息
             RouterUUID = router_uuid(Info, UUID),
+            lager:debug("[iot_host] host: ~p, router_uuid: ~p, get data: ~p", [UUID, RouterUUID, Data]),
             case mnesia_kv:hget(RouterUUID, <<"location_code">>) of
                 none ->
                     lager:debug("[iot_host] the north_data hget location_code uuid: ~p, router_uuid: ~p, not found", [UUID, RouterUUID]);