diff --git a/apps/iot/src/iot_event_period_settings.erl b/apps/iot/src/iot_event_period_settings.erl
deleted file mode 100644
index 3f3cad3..0000000
--- a/apps/iot/src/iot_event_period_settings.erl
+++ /dev/null
@@ -1,153 +0,0 @@
-%%%-------------------------------------------------------------------
-%%% @author anlicheng
-%%% @copyright (C) 2024, <COMPANY>
-%%% @doc
-%%%
-%%% @end
-%%% Created : 11. 7月 2024 15:54
-%%%-------------------------------------------------------------------
--module(iot_event_period_settings).
--author("anlicheng").
--include_lib("stdlib/include/qlc.hrl").
-
--behaviour(gen_server).
-
-%% API
--export([start_link/0]).
--export([get_throttle/1, debug_info/0]).
-
-%% gen_server callbacks
--export([init/1, handle_call/3, handle_cast/2, handle_info/2, terminate/2, code_change/3]).
-
--define(SERVER, ?MODULE).
-
--define(TAB_NAME, iot_ets_event_period).
-
-%% 更新周期, 单位：秒
--define(UPDATE_TICKER, 300).
-
-%% 默认周期, 单位：秒
--define(DEFAULT_THROTTLE, 300).
-
--record(state, {
-
-}).
-
--record(period, {
-    group_key :: any(),
-    throttle :: integer()
-}).
-
-%%%===================================================================
-%%% API
-%%%===================================================================
-
-debug_info() ->
-    Q = qlc:q([E || E <- ets:table(?TAB_NAME)]),
-    qlc:e(Q).
-
-%% 获取设置的时间周期
--spec get_throttle(GroupKey :: any()) -> integer().
-get_throttle(GroupKey) ->
-    case ets:lookup(?TAB_NAME, GroupKey) of
-        [] ->
-            ?DEFAULT_THROTTLE;
-        [#period{throttle = Throttle}|_] ->
-            Throttle
-    end.
-
-%% @doc Spawns the server and registers the local name (unique)
--spec(start_link() ->
-    {ok, Pid :: pid()} | ignore | {error, Reason :: term()}).
-start_link() ->
-    gen_server:start_link({local, ?SERVER}, ?MODULE, [], []).
-
-%%%===================================================================
-%%% gen_server callbacks
-%%%===================================================================
-
-%% @private
-%% @doc Initializes the server
--spec(init(Args :: term()) ->
-    {ok, State :: #state{}} | {ok, State :: #state{}, timeout() | hibernate} |
-    {stop, Reason :: term()} | ignore).
-init([]) ->
-    ets:new(?TAB_NAME, [public, set, named_table, {keypos, 2}, {read_concurrency, true}]),
-    erlang:start_timer(0, self(), update_ticker),
-    {ok, #state{}}.
-
-%% @private
-%% @doc Handling call messages
--spec(handle_call(Request :: term(), From :: {pid(), Tag :: term()},
-    State :: #state{}) ->
-    {reply, Reply :: term(), NewState :: #state{}} |
-    {reply, Reply :: term(), NewState :: #state{}, timeout() | hibernate} |
-    {noreply, NewState :: #state{}} |
-    {noreply, NewState :: #state{}, timeout() | hibernate} |
-    {stop, Reason :: term(), Reply :: term(), NewState :: #state{}} |
-    {stop, Reason :: term(), NewState :: #state{}}).
-handle_call(_Request, _From, State = #state{}) ->
-    {reply, ok, State}.
-
-%% @private
-%% @doc Handling cast messages
--spec(handle_cast(Request :: term(), State :: #state{}) ->
-    {noreply, NewState :: #state{}} |
-    {noreply, NewState :: #state{}, timeout() | hibernate} |
-    {stop, Reason :: term(), NewState :: #state{}}).
-handle_cast(_Request, State = #state{}) ->
-    {noreply, State}.
-
-%% @private
-%% @doc Handling all non call/cast messages
--spec(handle_info(Info :: timeout() | term(), State :: #state{}) ->
-    {noreply, NewState :: #state{}} |
-    {noreply, NewState :: #state{}, timeout() | hibernate} |
-    {stop, Reason :: term(), NewState :: #state{}}).
-handle_info({timeout, _, update_ticker}, State = #state{}) ->
-    catch settings(),
-    erlang:start_timer(?UPDATE_TICKER * 1000, self(), update_ticker),
-    {noreply, State}.
-
-%% @private
-%% @doc This function is called by a gen_server when it is about to
-%% terminate. It should be the opposite of Module:init/1 and do any
-%% necessary cleaning up. When it returns, the gen_server terminates
-%% with Reason. The return value is ignored.
--spec(terminate(Reason :: (normal | shutdown | {shutdown, term()} | term()),
-    State :: #state{}) -> term()).
-terminate(_Reason, _State = #state{}) ->
-    ok.
-
-%% @private
-%% @doc Convert process state when code is changed
--spec(code_change(OldVsn :: term() | {down, term()}, State :: #state{},
-    Extra :: term()) ->
-    {ok, NewState :: #state{}} | {error, Reason :: term()}).
-code_change(_OldVsn, State = #state{}, _Extra) ->
-    {ok, State}.
-
-%%%===================================================================
-%%% Internal functions
-%%%===================================================================
-
--spec settings() -> no_return().
-settings() ->
-    case iot_api:get_event_period_settings() of
-        {ok, Resp} ->
-            case catch jiffy:decode(Resp, [return_maps]) of
-                #{<<"code">> := 200, <<"data">> := Settings} when is_list(Settings) ->
-                    lists:foreach(fun(#{<<"event_code">> := GroupKey, <<"time_period">> := Throttle}) ->
-                        case is_integer(Throttle) andalso Throttle > 0 of
-                            true ->
-                                ets:insert(?TAB_NAME, #period{group_key = GroupKey, throttle = Throttle});
-                            false ->
-                                ok
-                        end
-                                  end, Settings);
-                Error ->
-                    lager:debug("[iot_event_period_settings] get event_period_settings from api get error: ~p", [Error])
-            end;
-        {error, Reason} ->
-            lager:debug("[iot_event_period_settings] get event_period_settings from api get error: ~p", [Reason])
-    end.
\ No newline at end of file
diff --git a/apps/iot/src/iot_sup.erl b/apps/iot/src/iot_sup.erl
index 4d2fea6..cfdd5b4 100644
--- a/apps/iot/src/iot_sup.erl
+++ b/apps/iot/src/iot_sup.erl
@@ -37,15 +37,6 @@ init([]) ->
             modules => ['iot_task']
         },
 
-        #{
-            id => 'iot_event_period_settings',
-            start => {'iot_event_period_settings', start_link, []},
-            restart => permanent,
-            shutdown => 2000,
-            type => worker,
-            modules => ['iot_event_period_settings']
-        },
-
         #{
             id => 'iot_device_sup',
             start => {'iot_device_sup', start_link, []},