diff --git a/apps/efka/src/client/efka_client.erl b/apps/efka/src/client/efka_client.erl
index 27aa5ea..ba9f36b 100644
--- a/apps/efka/src/client/efka_client.erl
+++ b/apps/efka/src/client/efka_client.erl
@@ -75,11 +75,13 @@ request_config() ->
 
 -spec device_offline(DeviceUUID :: binary()) -> no_return().
 device_offline(DeviceUUID) when is_binary(DeviceUUID) ->
-    send_event(1, #{<<"device_uuid">> => DeviceUUID, <<"status">> => 0}).
+    EventBody = jiffy:encode(#{<<"device_uuid">> => DeviceUUID, <<"status">> => 0}, [force_utf8]),
+    send_event(1, EventBody).
 
 -spec device_online(DeviceUUID :: binary()) -> no_return().
 device_online(DeviceUUID) when is_binary(DeviceUUID) ->
-    send_event(1, #{<<"device_uuid">> => DeviceUUID, <<"status">> => 1}).
+    EventBody = jiffy:encode(#{<<"device_uuid">> => DeviceUUID, <<"status">> => 1}, [force_utf8]),
+    send_event(1, EventBody).
 
 -spec send_event(EventType :: integer(), Params :: binary()) -> no_return().
 send_event(EventType, Params) when is_integer(EventType), is_binary(Params) ->
diff --git a/apps/efka/src/efka_agent.erl b/apps/efka/src/efka_agent.erl
index 4a9d752..ce36daf 100644
--- a/apps/efka/src/efka_agent.erl
+++ b/apps/efka/src/efka_agent.erl
@@ -243,7 +243,7 @@ handle_info({server_push, PacketId, <<?PUSH_DEPLOY:8, DeployBin/binary>>}, State
                 {error, Reason} when is_binary(Reason) ->
                     #push_reply{code = 0, message = Reason}
             end,
-    is_pid(TransportPid) andalso efka_transport:response(TransportPid, PacketId, message_pb:encode_msg(Reply)),
+    is_pid(TransportPid) andalso efka_transport:push_response(TransportPid, PacketId, message_pb:encode_msg(Reply)),
 
     {noreply, State};
 
@@ -254,7 +254,7 @@ handle_info({server_push, PacketId, <<?PUSH_SERVICE_CONFIG:8, ConfigBin/binary>>
     case efka_service:get_pid(ServiceId) of
         undefined ->
             Reply = #push_reply{code = 0, message = <<"service not run">>},
-            is_pid(TransportPid) andalso efka_transport:response(TransportPid, PacketId, message_pb:encode_msg(Reply)),
+            is_pid(TransportPid) andalso efka_transport:push_response(TransportPid, PacketId, message_pb:encode_msg(Reply)),
             {noreply, State};
         ServicePid when is_pid(ServicePid) ->
             Ref = make_ref(),
@@ -264,8 +264,7 @@ handle_info({server_push, PacketId, <<?PUSH_SERVICE_CONFIG:8, ConfigBin/binary>>
             erlang:start_timer(Timeout * 1000, self(), {request_timeout, Ref}),
 
             {noreply, State#state{inflight = maps:put(Ref, PacketId, Inflight)}}
-    end,
-    {noreply, State};
+    end;
 
 %% 收到需要回复的指令
 handle_info({server_push, PacketId, Invoke = #invoke{service_id = ServiceId, payload = Payload, timeout = Timeout}},
@@ -276,7 +275,8 @@ handle_info({server_push, PacketId, Invoke = #invoke{service_id = ServiceId, pay
     case efka_service:get_pid(ServiceId) of
         undefined ->
             Reply = #push_reply{code = 0, message = <<"micro_service not run">>, result = <<>>},
-            safe_push_response(PacketId, message_pb:encode_msg(Reply), State);
+            safe_push_response(PacketId, message_pb:encode_msg(Reply), State),
+            {noreply, State};
         ServicePid when is_pid(ServicePid) ->
             Ref = make_ref(),
             efka_service:invoke(ServicePid, Ref, Payload),
@@ -284,9 +284,7 @@ handle_info({server_push, PacketId, Invoke = #invoke{service_id = ServiceId, pay
             erlang:start_timer(Timeout * 1000, self(), {request_timeout, Ref}),
 
             {noreply, State#state{inflight = maps:put(Ref, PacketId, Inflight)}}
-    end,
-
-    {noreply, State};
+    end;
 
 %% 处理命令
 handle_info({server_command, ?COMMAND_AUTH, <<Auth:8>>}, State = #state{transport_pid = TransportPid, status = Status}) ->
diff --git a/apps/efka/src/efka_inetd.erl b/apps/efka/src/efka_inetd.erl
index ea570a0..b5adad0 100644
--- a/apps/efka/src/efka_inetd.erl
+++ b/apps/efka/src/efka_inetd.erl
@@ -71,10 +71,23 @@ init([]) ->
     {stop, Reason :: term(), Reply :: term(), NewState :: #state{}} |
     {stop, Reason :: term(), NewState :: #state{}}).
 handle_call({deploy, TaskId, ServiceId, TarUrl}, _From, State = #state{root_dir = RootDir, task_map = TaskMap}) ->
-    {ok, TaskPid} = efka_inetd_task:start_link(TaskId, RootDir, ServiceId, TarUrl),
-    efka_inetd_task:deploy(TaskPid),
+    %% 创建目录
+    {ok, ServiceRootDir} = ensure_dirs(RootDir, ServiceId),
+    case check_lock(ServiceRootDir, TarUrl) of
+        true ->
+            {reply, ok, State};
+        false ->
+            case check_download_url(TarUrl) of
+                ok ->
+                    {ok, TaskPid} = efka_inetd_task:start_link(TaskId, ServiceRootDir, ServiceId, TarUrl),
+                    efka_inetd_task:deploy(TaskPid),
 
-    {reply, ok, State#state{task_map = maps:put(TaskPid, {TaskId, ServiceId}, TaskMap)}};
+                    {reply, ok, State#state{task_map = maps:put(TaskPid, {TaskId, ServiceId}, TaskMap)}};
+                {error, Reason} ->
+                    lager:debug("[efka_inetd] check_download_url: ~p, get error: ~p", [TarUrl, Reason]),
+                    {reply, {error, <<"download url error">>}, State}
+            end
+    end;
 
 handle_call(_Request, _From, State = #state{}) ->
     {reply, ok, State}.
@@ -136,3 +149,38 @@ code_change(_OldVsn, State = #state{}, _Extra) ->
 %%% Internal functions
 %%%===================================================================
 
+-spec ensure_dirs(RootDir :: string(), ServerId :: binary()) -> {ok, ServerRootDir :: string()}.
+ensure_dirs(RootDir, ServerId) when is_list(RootDir), is_binary(ServerId) ->
+    %% 根目录
+    ServiceRootDir = RootDir ++ "/" ++ binary_to_list(ServerId) ++ "/",
+    ok = filelib:ensure_dir(ServiceRootDir),
+    {ok, ServiceRootDir}.
+
+-spec check_lock(DirName :: string(), TarUrl :: binary()) -> boolean().
+check_lock(DirName, TarUrl) when is_list(DirName), is_binary(TarUrl) ->
+    FileName = DirName ++ ".efka.lock",
+    case filelib:is_file(FileName) of
+        true ->
+            {ok, Content} = file:read_file(FileName),
+            Content =:= TarUrl;
+        false ->
+            false
+    end.
+
+%% 通过head请求先判定下载地址是否正确
+-spec check_download_url(Url :: string() | binary()) -> ok | {error, Reason :: term()}.
+check_download_url(Url) when is_binary(Url) ->
+    check_download_url(binary_to_list(Url));
+check_download_url(Url) when is_list(Url) ->
+    SslOpts = [
+        {ssl, [
+            % 完全禁用证书验证
+            {verify, verify_none}
+        ]}
+    ],
+    case httpc:request(head, {Url, []}, SslOpts, [{sync, true}]) of
+        {ok, {{_, 200, "OK"}, _Headers, _}} ->
+            ok;
+        {error, Reason} ->
+            {error, Reason}
+    end.
\ No newline at end of file
diff --git a/apps/efka/src/efka_inetd_task.erl b/apps/efka/src/efka_inetd_task.erl
index 0534894..37ca96d 100644
--- a/apps/efka/src/efka_inetd_task.erl
+++ b/apps/efka/src/efka_inetd_task.erl
@@ -22,7 +22,7 @@
 -define(SERVER, ?MODULE).
 
 -record(state, {
-    root_dir :: string(),
+    service_root_dir :: string(),
     task_id :: integer(),
     service_id :: binary(),
     tar_url :: binary()
@@ -37,10 +37,10 @@ deploy(Pid) when is_pid(Pid) ->
     gen_server:cast(Pid, deploy).
 
 %% @doc Spawns the server and registers the local name (unique)
--spec(start_link(TaskId :: integer(), RootDir :: string(), ServiceId :: binary(), TarUrl :: binary()) ->
+-spec(start_link(TaskId :: integer(), ServiceRootDir :: string(), ServiceId :: binary(), TarUrl :: binary()) ->
     {ok, Pid :: pid()} | ignore | {error, Reason :: term()}).
-start_link(TaskId, RootDir, ServiceId, TarUrl) when is_integer(TaskId), is_list(RootDir), is_binary(ServiceId), is_binary(TarUrl) ->
-    gen_server:start_link(?MODULE, [TaskId, RootDir, ServiceId, TarUrl], []).
+start_link(TaskId, ServiceRootDir, ServiceId, TarUrl) when is_integer(TaskId), is_list(ServiceRootDir), is_binary(ServiceId), is_binary(TarUrl) ->
+    gen_server:start_link(?MODULE, [TaskId, ServiceRootDir, ServiceId, TarUrl], []).
 
 %%%===================================================================
 %%% gen_server callbacks
@@ -51,8 +51,8 @@ start_link(TaskId, RootDir, ServiceId, TarUrl) when is_integer(TaskId), is_list(
 -spec(init(Args :: term()) ->
     {ok, State :: #state{}} | {ok, State :: #state{}, timeout() | hibernate} |
     {stop, Reason :: term()} | ignore).
-init([TaskId, RootDir, ServiceId, TarUrl]) ->
-    {ok, #state{task_id = TaskId, root_dir = RootDir, service_id = ServiceId, tar_url = TarUrl}}.
+init([TaskId, ServiceRootDir, ServiceId, TarUrl]) ->
+    {ok, #state{task_id = TaskId, service_root_dir = ServiceRootDir, service_id = ServiceId, tar_url = TarUrl}}.
 
 %% @private
 %% @doc Handling call messages
@@ -73,53 +73,38 @@ handle_call(_Request, _From, State = #state{}) ->
     {noreply, NewState :: #state{}} |
     {noreply, NewState :: #state{}, timeout() | hibernate} |
     {stop, Reason :: term(), NewState :: #state{}}).
-handle_cast(deploy, State = #state{task_id = TaskId, root_dir = RootDir, service_id = ServiceId, tar_url = TarUrl}) ->
-    %% 创建目录
-    {ok, ServiceRootDir} = ensure_dirs(RootDir, ServiceId),
-    case check_lock(ServiceRootDir, TarUrl) of
-        true ->
-            {stop, normal, State};
-        false ->
-            case check_download_url(TarUrl) of
+handle_cast(deploy, State = #state{task_id = TaskId, service_root_dir = ServiceRootDir, service_id = ServiceId, tar_url = TarUrl}) ->
+    case download(binary_to_list(TarUrl), ServiceRootDir) of
+        {ok, TarFile} ->
+            efka_agent:feedback_phase(TaskId, efka_util:timestamp(), <<"download completed">>),
+            {ok, WorkDir} = make_work_dir(ServiceRootDir),
+            %% 清理目录下的文件
+            Result = delete_directory(WorkDir),
+            lager:debug("delete_directory result is: ~p", [Result]),
+            case tar_extract(TarFile, WorkDir) of
                 ok ->
-                    case download(binary_to_list(TarUrl), ServiceRootDir) of
-                        {ok, TarFile} ->
-                            efka_agent:feedback_phase(TaskId, efka_util:timestamp(), <<"download completed">>),
-                            {ok, WorkDir} = make_work_dir(ServiceRootDir),
-                            %% 清理目录下的文件
-                            Result = delete_directory(WorkDir),
-                            lager:debug("delete_directory result is: ~p", [Result]),
-
-                            case tar_extract(TarFile, WorkDir) of
-                                ok ->
-                                    %% 创建lock文件
-                                    touch_lock(ServiceRootDir, TarUrl),
-                                    %% 更新数据
-                                    ok = service_model:insert(#service{
-                                        service_id = ServiceId,
-                                        tar_url = TarUrl,
-                                        %% 工作目录
-                                        root_dir = ServiceRootDir,
-                                        params = <<"">>,
-                                        metrics = <<"">>,
-                                        %% 状态： 0: 停止, 1: 运行中
-                                        status = 0
-                                    }),
-                                    efka_agent:feedback_phase(TaskId, efka_util:timestamp(), <<"deploy success">>),
-                                    {stop, normal, State};
-                                {error, Reason} ->
-                                    efka_agent:feedback_phase(TaskId, efka_util:timestamp(), <<"tar decompression error">>),
-                                    {stop, {error, Reason}, State}
-                            end;
-                        {error, Reason} ->
-                            efka_agent:feedback_phase(TaskId, efka_util:timestamp(), <<"download error">>),
-                            {stop, {error, Reason}, State}
-                    end;
+                    %% 创建lock文件
+                    touch_lock(ServiceRootDir, TarUrl),
+                    %% 更新数据
+                    ok = service_model:insert(#service{
+                        service_id = ServiceId,
+                        tar_url = TarUrl,
+                        %% 工作目录
+                        root_dir = ServiceRootDir,
+                        params = <<"">>,
+                        metrics = <<"">>,
+                        %% 状态： 0: 停止, 1: 运行中
+                        status = 0
+                    }),
+                    efka_agent:feedback_phase(TaskId, efka_util:timestamp(), <<"deploy success">>),
+                    {stop, normal, State};
                 {error, Reason} ->
-                    lager:debug("[efka_inetd] check_download_url: ~p, get error: ~p", [TarUrl, Reason]),
-                    efka_agent:feedback_phase(TaskId, efka_util:timestamp(), <<"download url error">>),
-                    {stop, {error, <<"download url error">>}, State}
-            end
+                    efka_agent:feedback_phase(TaskId, efka_util:timestamp(), <<"tar decompression error">>),
+                    {stop, {error, Reason}, State}
+            end;
+        {error, Reason} ->
+            efka_agent:feedback_phase(TaskId, efka_util:timestamp(), <<"download error">>),
+            {stop, {error, Reason}, State}
     end.
 
 %% @private
@@ -153,13 +138,6 @@ code_change(_OldVsn, State = #state{}, _Extra) ->
 %%% Internal functions
 %%%===================================================================
 
--spec ensure_dirs(RootDir :: string(), ServerId :: binary()) -> {ok, ServerRootDir :: string()}.
-ensure_dirs(RootDir, ServerId) when is_list(RootDir), is_binary(ServerId) ->
-    %% 根目录
-    ServiceRootDir = RootDir ++ "/" ++ binary_to_list(ServerId) ++ "/",
-    ok = filelib:ensure_dir(ServiceRootDir),
-    {ok, ServiceRootDir}.
-
 %% 工作逻辑，压缩文件需要解压到工作目录
 -spec make_work_dir(ServiceRootDir :: string()) -> {ok, WorkDir :: string()}.
 make_work_dir(ServiceRootDir) when is_list(ServiceRootDir) ->
@@ -191,17 +169,6 @@ delete_directory(Dir) when is_list(Dir) ->
             {error, Reason}
     end.
 
--spec check_lock(DirName :: string(), TarUrl :: binary()) -> boolean().
-check_lock(DirName, TarUrl) when is_list(DirName), is_binary(TarUrl) ->
-    FileName = DirName ++ ".efka.lock",
-    case filelib:is_file(FileName) of
-        true ->
-            {ok, Content} = file:read_file(FileName),
-            Content =:= TarUrl;
-        false ->
-            false
-    end.
-
 -spec touch_lock(DirName :: string(), TarUrl :: binary()) -> boolean().
 touch_lock(DirName, TarUrl) when is_list(DirName), is_binary(TarUrl) ->
     FileName = DirName ++ ".efka.lock",
@@ -213,23 +180,6 @@ touch_lock(DirName, TarUrl) when is_list(DirName), is_binary(TarUrl) ->
             false
     end.
 
-%% 通过head请求先判定下载地址是否正确
-check_download_url(Url) when is_binary(Url) ->
-    check_download_url(binary_to_list(Url));
-check_download_url(Url) when is_list(Url) ->
-    SslOpts = [
-        {ssl, [
-            % 完全禁用证书验证
-            {verify, verify_none}
-        ]}
-    ],
-    case httpc:request(head, {Url, []}, SslOpts, [{sync, true}]) of
-        {ok, {{_, 200, "OK"}, _Headers, _}} ->
-            ok;
-        {error, Reason} ->
-            {error, Reason}
-    end.
-
 %% 解压文件到指定目录
 -spec tar_extract(TarFile :: string(), TargetDir :: string()) -> ok | {error, Reason :: term()}.
 tar_extract(TarFile, TargetDir) when is_list(TarFile), is_list(TargetDir) ->
@@ -243,7 +193,7 @@ tar_extract(TarFile, TargetDir) when is_list(TarFile), is_list(TargetDir) ->
     end.
 
 %% 下载文件
--spec download(Url :: string(), TargetDir :: string()) -> {ok, TarFile :: string()} | {error, Reason :: any()}.
+-spec download(Url :: string(), TargetDir :: string()) -> {ok, TarFile :: string()} | {error, Reason :: term()}.
 download(Url, TargetDir) when is_list(Url), is_list(TargetDir) ->
     SslOpts = [
         {ssl, [
diff --git a/apps/efka/src/efka_service.erl b/apps/efka/src/efka_service.erl
index e69c7bb..2490b3c 100644
--- a/apps/efka/src/efka_service.erl
+++ b/apps/efka/src/efka_service.erl
@@ -20,7 +20,7 @@
 %% API
 -export([start_link/2]).
 -export([get_name/1, get_pid/1, start_service/1, stop_service/1, attach_channel/2]).
--export([push_config/3, request_config/1]).
+-export([push_config/3, request_config/1, invoke/3]).
 -export([metric_data/3, send_event/3]).
 
 %% gen_server callbacks
@@ -76,10 +76,6 @@ invoke(Pid, Ref, Payload) when is_pid(Pid), is_reference(Ref), is_binary(Payload
 request_config(Pid) when is_pid(Pid) ->
     gen_server:call(Pid, request_config).
 
-%% todo
-async_request(Pid, Method, Params) when is_binary(Method), is_binary(Params) ->
-    ok.
-
 metric_data(Pid, DeviceUUID, Data) when is_pid(Pid), is_binary(DeviceUUID), is_binary(Data) ->
     gen_server:cast(Pid, {metric_data, DeviceUUID, Data}).