diff --git a/apps/iot/src/iot_host.erl b/apps/iot/src/iot_host.erl
index 58fe1e2..5d7fe35 100644
--- a/apps/iot/src/iot_host.erl
+++ b/apps/iot/src/iot_host.erl
@@ -289,6 +289,7 @@ handle_event(cast, {handle, <<?METHOD_INFORM:8, Info0/binary>>}, session, State
     Info = iot_cipher_aes:decrypt(AES, Info0),
     case catch jiffy:decode(Info, [return_maps]) of
         #{<<"at">> := At, <<"services">> := ServiceInforms} ->
+            lager:debug("[iot_host] service infos is: ~p", [ServiceInforms]),
             lists:foreach(fun(#{<<"props">> := Props, <<"name">> := Name, <<"version">> := Version, <<"version_copy">> := VersionCopy, <<"status">> := Status}) ->
                 %% props 主机id:场景id:微服务id
                 [_, SceneId0, MicroId0] = binary:split(Props, <<":">>, [global]),