diff --git a/src/efka_stream.erl b/src/efka_stream.erl
deleted file mode 100644
index 4428243..0000000
--- a/src/efka_stream.erl
+++ /dev/null
@@ -1,164 +0,0 @@
-%%%-------------------------------------------------------------------
-%%% @author anlicheng
-%%% @copyright (C) 2025, <COMPANY>
-%%% @doc
-%%%
-%%% @end
-%%% Created : 13. 11月 2025 10:57
-%%%-------------------------------------------------------------------
--module(efka_stream).
--author("anlicheng").
-
--behaviour(gen_server).
-
-%% API
--export([start_monitor/1]).
--export([setup/3, data/2, finish/1]).
-
-%% 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, {
-    parent_pid :: pid(),
-    ref :: reference(),
-    file_size = 0 :: integer(),
-    acc_size = 0 :: integer(),
-    real_file :: undefined | string(),
-    io_device :: undefined | file:fd()
-}).
-
-%%%===================================================================
-%%% API
-%%%===================================================================
-
--spec setup(StreamPid :: pid(), FileName :: string(), FileSize :: integer()) -> {ok, Path :: string()}.
-setup(StreamPid, FileName, FileSize) when is_pid(StreamPid), is_list(FileName), is_integer(FileSize) ->
-    gen_server:call(StreamPid, {setup, FileName, FileSize}).
-
--spec data(StreamPid :: pid(), ChunkData :: binary()) -> no_return().
-data(StreamPid, ChunkData) when is_pid(StreamPid), is_binary(ChunkData) ->
-    gen_server:cast(StreamPid, {data, ChunkData}).
-
--spec finish(StreamPid :: pid()) -> no_return().
-finish(StreamPid) when is_pid(StreamPid) ->
-    gen_server:cast(StreamPid, finish).
-
-%% @doc Spawns the server and registers the local name (unique)
--spec(start_monitor(ParentPid :: pid()) ->
-    {ok, {Pid :: pid(), MonRef :: reference()}} | ignore | {error, Reason :: term()}).
-start_monitor(ParentPid) when is_pid(ParentPid) ->
-    gen_server:start_monitor(?MODULE, [ParentPid], []).
-
-%%%===================================================================
-%%% 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([ParentPid]) ->
-    Ref = erlang:monitor(process, ParentPid),
-    {ok, #state{parent_pid = ParentPid, ref = Ref}}.
-
-%% @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({setup, FileName, FileSize}, _From, State = #state{}) ->
-    {RealFileName, Path} = make_file(filename:basename(FileName)),
-    {ok, IoDevice} = file:open(RealFileName, [write]),
-
-    {reply, {ok, Path}, State#state{io_device = IoDevice, real_file = RealFileName, file_size = FileSize, acc_size = 0}}.
-
-%% @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({data, ChunkData}, State = #state{io_device = IoDevice, acc_size = AccSize}) ->
-    Data = base64:decode(ChunkData),
-    Len = byte_size(Data),
-
-    ok = file:write(IoDevice, Data),
-    {noreply, State#state{acc_size = AccSize + Len}};
-handle_cast(finish, State = #state{parent_pid = ParentPid, io_device = IoDevice, acc_size = AccSize, file_size = FileSize, real_file = RealFile}) ->
-    case AccSize == FileSize of
-        true ->
-            ok = file:close(IoDevice),
-            ParentPid ! {stream_reply, self(), ok};
-        false ->
-            ok = file:close(IoDevice),
-            ok = file:delete(RealFile),
-            ParentPid ! {stream_reply, self(), invalid}
-    end,
-    {stop, normal, 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({'DOWN', Ref, process, Pid, normal}, State = #state{ref = Ref, parent_pid = Pid}) ->
-    {noreply, State};
-handle_info({'DOWN', Ref, process, Pid, Reason}, State = #state{ref = Ref, parent_pid = Pid, io_device = IoDevice, real_file = RealFile}) ->
-    logger:debug("[efka_stream] ws_channel close with reason: ~p", [Reason]),
-    case IoDevice =:= undefined of
-        true ->
-            ok;
-        false ->
-            ok = file:close(IoDevice),
-            RealFile /= undefined andalso file:delete(RealFile)
-    end,
-    {stop, normal, 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 make_file(Basename :: string()) -> {string(), string()}.
-make_file(Basename) when is_list(Basename) ->
-    {ok, UploadDir} = application:get_env(efka, upload_dir),
-    {{Y, M, D}, _} = calendar:local_time(),
-    DateDir = io_lib:format("~p-~p-~p", [Y, M, D]),
-    BaseDir = UploadDir ++ DateDir,
-    case filelib:is_dir(BaseDir) of
-        true ->
-            ok;
-        false ->
-            ok = file:make_dir(BaseDir)
-    end,
-    Path = DateDir ++ "/" ++ Basename,
-
-    {UploadDir ++ Path, Path}.