diff --git a/apps/iot/src/iot_device.erl b/apps/iot/src/iot_device.erl
index 0ef05f6..e10c0ed 100644
--- a/apps/iot/src/iot_device.erl
+++ b/apps/iot/src/iot_device.erl
@@ -7,7 +7,7 @@
 %%% @end
 %%% Created : 11. 7月 2024 11:33
 %%%-------------------------------------------------------------------
--module(iot_device1).
+-module(iot_device).
 -author("anlicheng").
 -include("iot.hrl").
 
@@ -16,11 +16,11 @@
 %% API
 -export([get_name/1, get_pid/1, serialize/1]).
 -export([start_link/2, is_activated/1, is_alive/1, change_status/2, reload/1, auth/2, data/2, query/5]).
+-export([ai_event/3]).
 
 %% gen_server callbacks
 -export([init/1, handle_call/3, handle_cast/2, handle_info/2, terminate/2, code_change/3]).
 
-
 %% 存储数据的上限
 -define(MAX_SIZE, 2000).
 
@@ -30,7 +30,9 @@
     queue = queue:new(),
     %% 设备是否授权
     auth_status :: integer(),
-    status = ?DEVICE_OFFLINE
+    status = ?DEVICE_OFFLINE,
+    %% 事件分组
+    ai_groups = #{}
 }).
 
 %%%===================================================================
@@ -109,6 +111,10 @@ data(Pid, DataList) when is_pid(Pid), is_list(DataList) ->
 query(Pid, Tags, StartTs, StopTs, Limit) when is_pid(Pid), is_map(Tags), is_integer(StartTs), is_integer(StopTs), is_integer(Limit), StartTs >= 0, StopTs >= 0, Limit >= 0 ->
     gen_server:call(Pid, {query, Tags, StartTs, StopTs, Limit}).
 
+-spec ai_event(Pid :: pid(), EventType :: integer(), Params :: map()) -> no_return().
+ai_event(Pid, EventType, Params) when is_pid(Pid), is_integer(EventType), is_map(Params) ->
+    gen_server:cast(Pid, {ai_event, EventType, Params}).
+
 %% @doc Spawns the server and registers the local name (unique)
 -spec(start_link(Name :: atom(), DeviceUUID :: binary()) ->
     {ok, Pid :: pid()} | ignore | {error, Reason :: term()}).
@@ -226,7 +232,20 @@ handle_cast({auth, true}, State = #state{device_uuid = DeviceUUID}) ->
     {noreply, State#state{auth_status = 1}};
 handle_cast({auth, false}, State = #state{device_uuid = DeviceUUID}) ->
     lager:debug("[iot_device] device_uuid: ~p, auth: false", [DeviceUUID]),
-    {noreply, State#state{auth_status = 0}}.
+    {noreply, State#state{auth_status = 0}};
+
+%% ai事件的延迟整流逻辑
+handle_cast({ai_event, EventType, Params}, State = #state{ai_groups = Groups, device_uuid = DeviceUUID}) ->
+    GroupKey = group_by(EventType, Params),
+    case maps:find(GroupKey, Groups) of
+        {ok, PublisherPid} ->
+            iot_event_publisher:publish(PublisherPid, EventType, Params),
+            {noreply, State};
+        error ->
+            {ok, PublisherPid} = iot_event_publisher:start_link(DeviceUUID, 1),
+            iot_event_publisher:publish(PublisherPid, EventType, Params),
+            {noreply, State#state{ai_groups = maps:put(GroupKey, PublisherPid, Groups)}}
+    end.
 
 %% @private
 %% @doc Handling all non call/cast messages
@@ -306,4 +325,8 @@ filter_tags(L, Tags) when map_size(Tags) =:= 0 ->
 as_integer(Val) when is_integer(Val) ->
     Val;
 as_integer(Val) when is_binary(Val) ->
-    binary_to_integer(Val).
\ No newline at end of file
+    binary_to_integer(Val).
+
+%% 事件分组函数
+group_by(EventType, _Params) ->
+    EventType.
\ No newline at end of file
diff --git a/apps/iot/src/iot_event_publisher.erl b/apps/iot/src/iot_event_publisher.erl
new file mode 100644
index 0000000..10edae2
--- /dev/null
+++ b/apps/iot/src/iot_event_publisher.erl
@@ -0,0 +1,171 @@
+%%%-------------------------------------------------------------------
+%%% @author anlicheng
+%%% @copyright (C) 2024, <COMPANY>
+%%% @doc
+%%% 事件发布器，提供基于时间周期的缓冲
+%%% @end
+%%% Created : 11. 7月 2024 14:40
+%%%-------------------------------------------------------------------
+-module(iot_event_publisher).
+-author("anlicheng").
+
+-behaviour(gen_server).
+
+%% API
+-export([start_link/2, publish/3, set_throttle/2]).
+
+%% gen_server callbacks
+-export([init/1, handle_call/3, handle_cast/2, handle_info/2, terminate/2, code_change/3]).
+
+-define(SERVER, ?MODULE).
+
+-record(state, {
+    device_uuid :: binary(),
+    throttle_time = 0 :: integer(),
+    timer_ref :: undefined | reference(),
+    %% 已经发送的事件的计数器
+    counter = 0,
+    last_event :: any(),
+    %% 最后一次发送数据的时间戳, 如果数据跨越了多个时间跨度时也需要立即发送出去
+    last_timestamp = 0 :: integer()
+}).
+
+%%%===================================================================
+%%% API
+%%%===================================================================
+
+-spec publish(Pid :: pid(), EventType :: integer(), Params :: map()) -> no_return().
+publish(Pid, EventType, Params) when is_pid(Pid), is_integer(EventType), is_map(Params) ->
+    gen_server:cast(Pid, {publish, EventType, Params}).
+
+-spec set_throttle(Pid :: pid(), ThrottleTime :: integer()) -> no_return().
+set_throttle(Pid, ThrottleTime) when is_pid(Pid), is_integer(ThrottleTime), ThrottleTime > 0 ->
+    gen_server:cast(Pid, {set_throttle, ThrottleTime}).
+
+%% @doc Spawns the server and registers the local name (unique)
+-spec(start_link(DeviceUUID :: binary(), ThrottleTime :: integer()) ->
+    {ok, Pid :: pid()} | ignore | {error, Reason :: term()}).
+start_link(DeviceUUID, ThrottleTime) when is_binary(DeviceUUID), is_integer(ThrottleTime) ->
+    gen_server:start_link(?MODULE, [DeviceUUID, ThrottleTime], []).
+
+%%%===================================================================
+%%% 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([DeviceUUID, ThrottleTime]) ->
+    TimerRef = erlang:start_timer(ThrottleTime * 1000, self(), throttle_ticker),
+    {ok, #state{device_uuid = DeviceUUID, throttle_time = ThrottleTime, timer_ref = TimerRef, last_timestamp = iot_util:timestamp_of_seconds()}}.
+
+%% @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{}}).
+%% 重置时间周期：新的周期大于之前的
+handle_cast({set_throttle, NThrottleTime}, State = #state{throttle_time = ThrottleTime}) when NThrottleTime > ThrottleTime ->
+    {noreply, State#state{throttle_time = NThrottleTime}};
+
+%% 重置时间周期：新的周期小于之前的
+handle_cast({set_throttle, NThrottleTime}, State = #state{device_uuid = DeviceUUID, counter = Counter, timer_ref = TimerRef, last_timestamp = LastTimestamp, last_event = LastEvent}) ->
+    %% 重置定时器
+    is_reference(TimerRef) andalso erlang:cancel_timer(TimerRef),
+
+    Timestamp = iot_util:timestamp_of_seconds(),
+    PassedSeconds = Timestamp - LastTimestamp,
+    case PassedSeconds >= NThrottleTime of
+        true ->
+            NTimerRef = erlang:start_timer(NThrottleTime * 1000, self(), throttle_ticker),
+            %% 发送消息
+            case LastEvent of
+                {EventType, Params} ->
+                    iot_ai_router:route_uuid(DeviceUUID, EventType, Params),
+                    {noreply, State#state{timer_ref = NTimerRef, counter = Counter + 1, last_timestamp = iot_util:timestamp_of_seconds()}};
+                undefined ->
+                    {noreply, State#state{timer_ref = NTimerRef}}
+            end;
+        false ->
+            NTimerRef = erlang:start_timer((NThrottleTime - PassedSeconds) * 1000, self(), throttle_ticker),
+            {noreply, State#state{timer_ref = NTimerRef}}
+    end;
+
+%% 第一次收到消息，则立即发送; 并且重置定时器
+handle_cast({publish, EventType, Params}, State = #state{device_uuid = DeviceUUID, throttle_time = ThrottleTime, timer_ref = TimerRef, counter = 0}) ->
+    %% 重置定时器
+    is_reference(TimerRef) andalso erlang:cancel_timer(TimerRef),
+    NTimerRef = erlang:start_timer(ThrottleTime * 1000, self(), throttle_ticker),
+    %% 发送消息
+    iot_ai_router:route_uuid(DeviceUUID, EventType, Params),
+    {noreply, State#state{counter = 1, timer_ref = NTimerRef, last_timestamp = iot_util:timestamp_of_seconds()}};
+
+%% 缓冲数据，等到时间到了再发送
+handle_cast({publish, EventType, Params}, State = #state{device_uuid = DeviceUUID, timer_ref = TimerRef, counter = Counter, last_timestamp = LastTimestamp, throttle_time = ThrottleTime}) ->
+    Timestamp = iot_util:timestamp_of_seconds(),
+    %% 如果数据发送间隔已经超过了一个时间跨度，也需要立即发送
+    case LastTimestamp > 0 andalso Timestamp > (LastTimestamp + ThrottleTime) of
+        true ->
+            %% 重置定时器
+            is_reference(TimerRef) andalso erlang:cancel_timer(TimerRef),
+            NTimerRef = erlang:start_timer(ThrottleTime * 1000, self(), throttle_ticker),
+            %% 发送消息
+            iot_ai_router:route_uuid(DeviceUUID, EventType, Params),
+            {noreply, State#state{counter = Counter + 1, timer_ref = NTimerRef, last_timestamp = iot_util:timestamp_of_seconds()}};
+        false ->
+            {noreply, State#state{counter = Counter + 1, last_event = {EventType, Params}}}
+    end.
+
+%% @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{}}).
+%% 周期时间内没有任何数据
+handle_info({timeout, _, throttle_ticker}, State = #state{throttle_time = ThrottleTime, last_event = undefined}) ->
+    TimerRef = erlang:start_timer(ThrottleTime * 1000, self(), throttle_ticker),
+    {noreply, State#state{timer_ref = TimerRef}};
+%% 已经发送的数据也需要重置，避免推送重复的数据
+handle_info({timeout, _, throttle_ticker}, State = #state{device_uuid = DeviceUUID, throttle_time = ThrottleTime,  last_event = {EventType, Params}}) ->
+    TimerRef = erlang:start_timer(ThrottleTime * 1000, self(), throttle_ticker),
+    iot_ai_router:route_uuid(DeviceUUID, EventType, Params),
+    {noreply, State#state{timer_ref = TimerRef, last_event = undefined, last_timestamp = iot_util:timestamp_of_seconds()}}.
+
+%% @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
+%%%===================================================================