diff --git a/apps/efka/src/efka_downloader.erl b/apps/efka/src/efka_downloader.erl
index 513ebce..59fe92e 100644
--- a/apps/efka/src/efka_downloader.erl
+++ b/apps/efka/src/efka_downloader.erl
@@ -82,23 +82,28 @@ handle_call(_Request, _From, State = #state{}) ->
     {noreply, NewState :: #state{}, timeout() | hibernate} |
     {stop, Reason :: term(), NewState :: #state{}}).
 handle_cast({download, ReceiverPid, Ref, Url, TargetDir}, State = #state{}) ->
-    SSLOpts = {ssl_options, [
-        % 完全禁用证书验证
-        {verify, verify_none}
-    ]},
+    SslOpts = [
+        {ssl, [
+            % 完全禁用证书验证
+            {verify, verify_none}
+        ]}
+    ],
 
     TargetFile = get_filename_from_url(Url),
+    FullFilename = TargetDir ++ TargetFile,
+
     StartTs = os:timestamp(),
-    case hackney:request(get, Url, [], <<>>, [async, {stream_to, self()}, {pool, false}, SSLOpts]) of
-        {ok, ClientRef} ->
-            case receive_data(ClientRef, TargetDir, TargetFile) of
+    case httpc:request(get, {Url, []}, SslOpts, [{sync, false}, {stream, self}]) of
+        {ok, RequestId} ->
+            case receive_data(RequestId, FullFilename) of
                 ok ->
                     EndTs = os:timestamp(),
                     %% 计算操作的时间，单位为毫秒
                     CostMs = timer:now_diff(EndTs, StartTs) div 1000,
-                    efka_logger:debug("download cost: ~p", [CostMs]),
                     ReceiverPid ! {download_response, Ref, {ok, CostMs}};
                 {error, Reason} ->
+                    %% 出错需要删除掉文件
+                    file:delete(FullFilename),
                     ReceiverPid ! {download_response, Ref, {error, Reason}}
             end;
         {error, Reason} ->
@@ -137,37 +142,25 @@ code_change(_OldVsn, State = #state{}, _Extra) ->
 %%% Internal functions
 %%%===================================================================
 
-%% 读取请求 ResponseLine
-receive_data(ClientRef, TargetDir, DefaultFile) when is_list(TargetDir), is_list(DefaultFile) ->
-    receive
-        {hackney_response, ClientRef, {status, 200, _Reason}} ->
-            receive_data0(ClientRef, TargetDir, DefaultFile);
-        {hackney_response, ClientRef, {status, StatusCode, _Reason}} ->
-            {error, {http_status, StatusCode}}
-    end.
 %% 处理头部信息, 解析可能的文件名
-receive_data0(ClientRef, TargetDir, DefaultFile) ->
+receive_data(RequestId, FullFilename) ->
     receive
-        {hackney_response, ClientRef, {headers, Headers}} ->
-            TargetFilename = extra_filename(Headers, DefaultFile),
-            FullFilename = TargetDir ++ TargetFilename,
-            efka_logger:debug("full name: ~p", [FullFilename]),
+        {http, {RequestId, stream_start, _Headers}} ->
             {ok, File} = file:open(FullFilename, [write, binary]),
-            receive_data1(ClientRef, File)
+            receive_data1(RequestId, File)
     end.
 %% 接受文件数据
-receive_data1(ClientRef, File) ->
+receive_data1(RequestId, File) ->
     receive
-        {hackney_response, ClientRef, {error, Reason}} ->
+        {http, {RequestId, {error, Reason}}} ->
             ok = file:close(File),
             {error, Reason};
-        {hackney_response, ClientRef, done} ->
+        {http, {RequestId, stream_end, _Headers}} ->
             ok = file:close(File),
-            hackney:close(ClientRef),
             ok;
-        {hackney_response, ClientRef, Data} ->
+        {http, {RequestId, stream, Data}} ->
             file:write(File, Data),
-            receive_data1(ClientRef, File)
+            receive_data1(RequestId, File)
     end.
 
 -spec extra_filename(Headers :: list(), Default :: string()) -> Filename :: string().
@@ -191,5 +184,4 @@ extra_filename(Headers, Default) when is_list(Headers), is_list(Default) ->
 get_filename_from_url(Url) when is_list(Url) ->
     URIMap = uri_string:parse(Url),
     Path = maps:get(path, URIMap),
-    filename:basename(Path).
-
+    filename:basename(Path).
\ No newline at end of file
diff --git a/apps/efka/src/efka_logger.erl b/apps/efka/src/efka_logger.erl
index 5276dc1..0002bd4 100644
--- a/apps/efka/src/efka_logger.erl
+++ b/apps/efka/src/efka_logger.erl
@@ -13,7 +13,7 @@
 -export([debug/2, notice/2]).
 
 debug(Format, Args) ->
-    io:format(Format, Args).
+    io:format(Format ++ "~n", Args).
 
 notice(Format, Args) ->
-    io:format(Format, Args).
+    io:format(Format ++ "~n", Args).
diff --git a/apps/efka/src/efka_sup.erl b/apps/efka/src/efka_sup.erl
index ef350f9..928015d 100644
--- a/apps/efka/src/efka_sup.erl
+++ b/apps/efka/src/efka_sup.erl
@@ -28,14 +28,14 @@ start_link() ->
 init([]) ->
     SupFlags = #{strategy => one_for_one, intensity => 1000, period => 3600},
     ChildSpecs = [
-        #{
-            id => 'efka_agent',
-            start => {'efka_agent', start_link, []},
-            restart => permanent,
-            shutdown => 2000,
-            type => worker,
-            modules => ['efka_agent']
-        },
+        %#{
+        %    id => 'efka_agent',
+        %    start => {'efka_agent', start_link, []},
+        %    restart => permanent,
+        %    shutdown => 2000,
+        %    type => worker,
+        %    modules => ['efka_agent']
+        %},
 
         #{
             id => 'efka_server_sup',
diff --git a/rebar.config b/rebar.config
index f511239..7cddb0e 100644
--- a/rebar.config
+++ b/rebar.config
@@ -35,8 +35,6 @@
                      ]
             }]}]}.
 
-{erl_opts, [{parse_transform,lager_transform}]}.
-
 {project_plugins, [
     %% 或从 Git 仓库拉取最新版本
     {pc, {git, "https://github.com/blt/port_compiler.git", {tag, "v1.15.0"}}}