diff --git a/apps/iot/src/iot_host.erl b/apps/iot/src/iot_host.erl
index daefc87..47a0157 100644
--- a/apps/iot/src/iot_host.erl
+++ b/apps/iot/src/iot_host.erl
@@ -68,7 +68,7 @@ get_alias_name(HostId0) when is_integer(HostId0) ->
     binary_to_atom(<<"iot_host_id:", HostId/binary>>).
 
 %% 处理消息
--spec handle(Pid :: pid(), Packet :: {atom(), binary()} | {atom(), {binary(), binary()}}) -> no_return().
+-spec handle(Pid :: pid(), Packet :: {atom(), any()}) -> no_return().
 handle(Pid, Packet) when is_pid(Pid) ->
     gen_statem:cast(Pid, {handle, Packet}).