diff --git a/apps/efka/src/efka_subscription.erl b/apps/efka/src/efka_subscription.erl
new file mode 100644
index 0000000..ab5eb42
--- /dev/null
+++ b/apps/efka/src/efka_subscription.erl
@@ -0,0 +1,170 @@
+%%%-------------------------------------------------------------------
+%%% @author anlicheng
+%%% @copyright (C) 2025, <COMPANY>
+%%% @doc
+%%%
+%%% @end
+%%% Created : 28. 4月 2025 23:50
+%%%-------------------------------------------------------------------
+-module(efka_subscription).
+-author("anlicheng").
+
+-behaviour(gen_server).
+
+%% API
+-export([start_link/0]).
+-export([match_components/2, match_topic/2, is_valid_components/1, of_components/1]).
+
+%% gen_server callbacks
+-export([init/1, handle_call/3, handle_cast/2, handle_info/2, terminate/2, code_change/3]).
+
+-define(SERVER, ?MODULE).
+
+%% 定义订阅者
+-record(subscriber, {
+    topic :: binary(),
+    subscriber_pid :: pid(),
+    components = []
+}).
+
+-record(state, {
+    subscribers = []
+}).
+
+%%%===================================================================
+%%% API
+%%%===================================================================
+
+subscribe(Topic, SubscriberPid) when is_binary(Topic), is_pid(SubscriberPid) ->
+    gen_server:cast(?SERVER, {subscribe, Topic, SubscriberPid}).
+
+publish(Topic, Content) when is_binary(Topic), is_binary(Content) ->
+    gen_server:cast(?SERVER, {publish, Topic, Content}).
+
+%% @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([]) ->
+    {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{}}).
+%%  同一个SubscriberPid只能订阅同一个topic一次
+handle_cast({subscribe, Topic, SubscriberPid}, State = #state{subscribers = Subscribers}) ->
+    Components = of_components(Topic),
+    case is_valid_components(Components) of
+        true ->
+            Sub = #subscriber{topic = Topic, subscriber_pid = SubscriberPid, components = Components},
+            {noreply, State#state{subscribers = [Sub|Subscribers]}};
+        false ->
+            {noreply, State}
+    end;
+
+handle_cast({publish, Topic, Content}, State = #state{subscribers = Subscribers}) ->
+    AccPids = dispatch(Subscribers, Topic, Content),
+    lager:debug("[efka_subscription] topic: ~p, content: ~p, match subscribers: ~p", [Topic, Content, AccPids]),
+    {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(_Info, State = #state{}) ->
+    {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 dispatch(Subscribers :: list(), Topic :: binary(), Content :: binary()) -> [pid()].
+dispatch(Subscribers, Topic, Content) when is_list(Subscribers), is_binary(Topic), is_binary(Content) ->
+    Components = of_components(Topic),
+    lists:foldl(fun(#subscriber{components = Components0, subscriber_pid = SubscriberPid}, AccPids) ->
+        case match_components(Components0, Components) andalso not lists:member(SubscriberPid, AccPids) of
+            true ->
+                erlang:send(SubscriberPid, {xyz, Content}),
+                [SubscriberPid|AccPids];
+            false ->
+                AccPids
+        end
+                end, [], Subscribers).
+
+match_topic(Topic0, Topic1) ->
+    match_components(of_components(Topic0), of_components(Topic1)).
+
+%% 开始对比订阅的topic和发布的topic的Components信息
+%% *表示单级匹配，+表示多级匹配；+只能出现一次，并且只能在末尾
+
+-spec match_components(list(), list()) -> boolean().
+match_components([<<$+>>], [_|_]) ->
+    true;
+match_components([], []) ->
+    true;
+match_components([<<$*>>|T0], [_|T1]) ->
+    match_components(T0, T1);
+match_components([C0|T0], [C0|T1]) ->
+    match_components(T0, T1);
+match_components(_, _) ->
+    false.
+
+-spec of_components(Topic :: binary()) -> [binary()].
+of_components(Topic) when is_binary(Topic) ->
+    binary:split(Topic, <<$/>>, [global]).
+
+is_valid_components([]) ->
+    true;
+is_valid_components([<<$+>>|T]) ->
+    length(T) =:= 0;
+is_valid_components([<<$*>>|T]) ->
+    is_valid_components(T);
+is_valid_components([_|T]) ->
+    is_valid_components(T).
\ No newline at end of file