diff --git a/src/docker/docker_commands.erl b/src/docker/docker_commands.erl
index 5afd872..2c747e3 100644
--- a/src/docker/docker_commands.erl
+++ b/src/docker/docker_commands.erl
@@ -99,7 +99,7 @@ start_container(ContainerName) when is_binary(ContainerName) ->
         {ok, 304, _Headers, _} ->
             {error, <<"container already started">>};
         {ok, _StatusCode, _Header, ErrorResp} ->
-            case catch jiffy:decode(ErrorResp) of
+            case catch jiffy:decode(ErrorResp, [return_maps]) of
                 #{<<"message">> := Msg} ->
                     {error, Msg};
                 _ ->
@@ -125,7 +125,7 @@ stop_container(ContainerName, TimeoutSeconds) when is_binary(ContainerName), is_
         {ok, 304, _Headers, _} ->
             {error, <<"container already stopped">>};
         {ok, _StatusCode, _Header, ErrorResp} ->
-            case catch jiffy:decode(ErrorResp) of
+            case catch jiffy:decode(ErrorResp, [return_maps]) of
                 #{<<"message">> := Msg} ->
                     {error, Msg};
                 _ ->
@@ -149,7 +149,7 @@ kill_container(ContainerName, Signal) when is_binary(ContainerName), is_binary(S
         {ok, 204, _Headers, _} ->
             ok;
         {ok, _StatusCode, _Header, ErrorResp} ->
-            case catch jiffy:decode(ErrorResp) of
+            case catch jiffy:decode(ErrorResp, [return_maps]) of
                 #{<<"message">> := Msg} ->
                     {error, Msg};
                 _ ->
@@ -176,7 +176,7 @@ remove_container(ContainerName, Force, RemoveVolumes)
         {ok, 304, _Headers, _} ->
             {error, <<"container already stopped">>};
         {ok, _StatusCode, _Header, ErrorResp} ->
-            case catch jiffy:decode(ErrorResp) of
+            case catch jiffy:decode(ErrorResp, [return_maps]) of
                 #{<<"message">> := Msg} ->
                     {error, Msg};
                 _ ->
@@ -197,7 +197,7 @@ get_containers() ->
             Containers = jiffy:decode(ContainersBin, [return_maps]),
             {ok, Containers};
         {ok, _StatusCode, _Header, ErrorResp} ->
-            case catch jiffy:decode(ErrorResp) of
+            case catch jiffy:decode(ErrorResp, [return_maps]) of
                 #{<<"message">> := Msg} ->
                     {error, Msg};
                 _ ->
@@ -217,7 +217,7 @@ inspect_container(ContainerId) when is_binary(ContainerId) ->
         {ok, 200, _Headers, Resp} ->
             decode_container_inspect_summary(Resp);
         {ok, _StatusCode, _Header, ErrorResp} ->
-            case catch jiffy:decode(ErrorResp) of
+            case catch jiffy:decode(ErrorResp, [return_maps]) of
                 #{<<"message">> := Msg} ->
                     {error, Msg};
                 _ ->
diff --git a/src/transport/efka_client.erl b/src/transport/efka_client.erl
index 2327a7e..303729a 100644
--- a/src/transport/efka_client.erl
+++ b/src/transport/efka_client.erl
@@ -87,12 +87,11 @@ handle_event(cast, {metric_data, RouteKey, Metric}, StateName, State = #state{so
     CastFrame = message_pb:encode_msg(#'CastFrame'{
         body = {data, #'CastFrame.Data'{route_key = RouteKey, metric = Metric}}
     }),
-    Packet = <<?FRAME_CAST, CastFrame/binary>>,
     case StateName of
         ?STATE_ACTIVATED ->
-            send_packet(Socket, Packet);
+            send_packet(Socket, [?FRAME_CAST, CastFrame]);
         _ ->
-            ok = cache_model:insert(Packet)
+            ok = cache_model:insert(<<?FRAME_CAST, CastFrame/binary>>)
     end,
     {keep_state, State};
 
@@ -102,14 +101,14 @@ handle_event(cast, {task_event_stream, TaskId, Type, Stream}, ?STATE_ACTIVATED,
     EventPacket = message_pb:encode_msg(#'CastFrame'{
         body = {task_event, #'CastFrame.TaskEvent'{task_id = TaskId, type = Type, stream = Stream}}
     }),
-    send_packet(Socket, <<?FRAME_CAST, EventPacket/binary>>),
+    send_packet(Socket, [?FRAME_CAST, EventPacket]),
     {keep_state, State};
 
 handle_event(cast, {close_task_event_stream, TaskId, Reason}, ?STATE_ACTIVATED, State = #state{socket = Socket}) ->
     EventPacket = message_pb:encode_msg(#'CastFrame'{
         body = {task_event, #'CastFrame.TaskEvent'{task_id = TaskId, type = <<"close">>, stream = Reason}}
     }),
-    send_packet(Socket, <<?FRAME_CAST, EventPacket/binary>>),
+    send_packet(Socket, [?FRAME_CAST, EventPacket]),
     {keep_state, State};
 
 %% 其他情况下直接忽略
@@ -126,8 +125,7 @@ handle_event(info, {timeout, _, create_transport}, ?STATE_DISCONNECTED, State =
     case connect_socket() of
         {ok, Socket} ->
             AuthPacket = auth_packet(PacketId),
-            AuthRequestFrame = <<?FRAME_REQUEST, AuthPacket/binary>>,
-            send_packet(Socket, AuthRequestFrame),
+            send_packet(Socket, [?FRAME_REQUEST, AuthPacket]),
             {next_state, ?STATE_AUTH, State#state{socket = Socket, auth_packet_id = PacketId, next_packet_id = PacketId + 1},
                 [{state_timeout, 5000, auth_timeout}]};
         {error, Reason} ->
@@ -226,8 +224,7 @@ handle_event(internal, {decoded_cast, #'CastFrame'{body = {command, #'CastFrame.
             {keep_state, State};
         {1, _} ->
             AuthPacket = auth_packet(PacketId),
-            AuthRequestFrame = <<?FRAME_REQUEST, AuthPacket/binary>>,
-            send_packet(Socket, AuthRequestFrame),
+            send_packet(Socket, [?FRAME_REQUEST, AuthPacket]),
             {next_state, ?STATE_AUTH, State#state{auth_packet_id = PacketId, next_packet_id = PacketId + 1},
                 [{state_timeout, 5000, auth_timeout}]};
         {0, _} ->
@@ -288,8 +285,8 @@ connect_socket() ->
     ],
     ssl:connect(Host, Port, SslOptions, 5000).
 
--spec send_packet(ssl:sslsocket(), binary()) -> ok.
-send_packet(Socket, Packet) when is_binary(Packet) ->
+-spec send_packet(ssl:sslsocket(), erlang:iodata()) -> ok.
+send_packet(Socket, Packet) ->
     ok = ssl:send(Socket, Packet).
 
 -spec disconnect(undefined | ssl:sslsocket()) -> ok.
@@ -309,7 +306,7 @@ send_result_reply(Socket, PacketId, Payload) when is_binary(Payload) ->
         packet_id = PacketId,
         reply = {result, Payload}
     }),
-    send_packet(Socket, Packet).
+    send_packet(Socket, [?FRAME_REPLY, Packet]).
 
 -spec send_error_reply(ssl:sslsocket(), integer(), binary()) -> ok.
 send_error_reply(Socket, PacketId, Reason) when is_binary(Reason) ->
@@ -317,4 +314,4 @@ send_error_reply(Socket, PacketId, Reason) when is_binary(Reason) ->
         packet_id = PacketId,
         reply = {error, #'ReplyFrame.Error'{code = -1, message = Reason}}
     }),
-    send_packet(Socket, Packet).
+    send_packet(Socket, [?FRAME_REPLY, Packet]).