diff --git a/apps/iot/src/iot_host.erl b/apps/iot/src/iot_host.erl
index c3949d8..e84a695 100644
--- a/apps/iot/src/iot_host.erl
+++ b/apps/iot/src/iot_host.erl
@@ -131,11 +131,6 @@ remove_container(Pid, ContainerName) when is_pid(Pid), is_binary(ContainerName)
     EncCallBin = message_codec:encode(?MESSAGE_JSONRPC_REQUEST, Request),
     gen_statem:call(Pid, {jsonrpc_call, self(), EncCallBin}).
 
-%-spec task_log(Pid :: pid(), TaskId :: integer()) -> {ok, Ref :: reference()} | {error, Reason :: any()}.
-%task_log(Pid, TaskId) when is_pid(Pid), is_integer(TaskId) ->
-%    TaskLogBin = message_pb:encode_msg(#fetch_task_log{task_id = TaskId}),
-%    gen_statem:call(Pid, {jsonrpc_call, self(), ?PUSH_TASK_LOG, TaskLogBin}).
-
 -spec await_reply(Ref :: reference(), Timeout :: integer()) -> {ok, Result :: binary()} | {error, Reason :: binary()}.
 await_reply(Ref, Timeout) when is_reference(Ref), is_integer(Timeout) ->
     receive
@@ -314,7 +309,6 @@ handle_event({call, From}, {attach_channel, ChannelPid}, StateName, State = #sta
             erlang:monitor(process, ChannelPid),
             %% 更新主机为在线状态
             ChangeResult = iot_api:change_host_status(UUID, ?HOST_ONLINE),
-            report_event(UUID, ?HOST_ONLINE),
             lager:debug("[iot_host] host_id(attach_channel) uuid: ~p, will change status, result: ~p", [UUID, ChangeResult]),
             {keep_state, State#state{channel_pid = ChannelPid, has_session = true}, [{reply, From, ok}]};
         %% 主机未激活
@@ -412,8 +406,7 @@ handle_event(info, {timeout, _, heartbeat_ticker}, _, State = #state{uuid = UUID
         ?HOST_OFFLINE ->
             lager:debug("[iot_host] host: ~p, host_maybe_offline, host now is offline, do nothing", [UUID]);
         ?HOST_ONLINE ->
-            iot_api:change_host_status(UUID, ?HOST_OFFLINE),
-            report_event(UUID, ?HOST_OFFLINE)
+            iot_api:change_host_status(UUID, ?HOST_OFFLINE)
     end,
 
     %% 关闭channel，主机需要重新连接，才能保存状态的一致
@@ -463,26 +456,6 @@ get_route_key(<<"">>) ->
 get_route_key(RouteKey) when is_binary(RouteKey) ->
     RouteKey.
 
--spec report_event(UUID :: binary(), NewStatus :: integer()) -> no_return().
-report_event(UUID, NewStatus) when is_binary(UUID), is_integer(NewStatus) ->
-    TextMap = #{
-        0 => <<"离线"/utf8>>,
-        1 => <<"在线"/utf8>>
-    },
-
-    %% 设备的状态信息上报给中电
-    Timestamp = iot_util:timestamp_of_seconds(),
-    FieldsList = [#{
-        <<"key">> => <<"host_status">>,
-        <<"value">> => NewStatus,
-        <<"value_text">> => maps:get(NewStatus, TextMap),
-        <<"unit">> => 0,
-        <<"type">> => <<"DI">>,
-        <<"name">> => <<"主机状态"/utf8>>,
-        <<"timestamp">> => Timestamp
-    }],
-    lager:debug("[iot_host] host_uuid: ~p, route fields: ~p", [UUID, FieldsList]).
-
 %% 将当前的state转换成map
 state_map(#state{host_id = HostId, uuid = UUID, has_session = HasSession, heartbeat_counter = HeartbeatCounter, channel_pid = ChannelPid, metrics = Metrics}) ->
     #{