diff --git a/apps/efka/src/efka_agent.erl b/apps/efka/src/efka_agent.erl
index 79cc08d..8eb771b 100644
--- a/apps/efka/src/efka_agent.erl
+++ b/apps/efka/src/efka_agent.erl
@@ -308,7 +308,7 @@ handle_info({server_push_message, PacketId, <<?METHOD_PRAMAS:8, ParamsBin/binary
             {noreply, State};
         ServicePid when is_pid(ServicePid) ->
             Ref = make_ref(),
-            efka_micro_service:push_params(ServicePid, Ref, self(), Params),
+            efka_micro_service:push_params(ServicePid, Ref, Params),
             {noreply, State#state{inflight = maps:put(Ref, PacketId, Inflight)}}
     end,
     {noreply, State};
@@ -327,12 +327,12 @@ handle_info({server_push_message, PacketId, <<?METHOD_METRICS:8, MetricsBin/bina
             {noreply, State};
         ServicePid when is_pid(ServicePid) ->
             Ref = make_ref(),
-            efka_micro_service:push_metrics(ServicePid, Ref, self(), Metrics),
+            efka_micro_service:push_metrics(ServicePid, Ref, Metrics),
             {noreply, State#state{inflight = maps:put(Ref, PacketId, Inflight)}}
     end;
 
-%% 收到来自channel的回复
-handle_info({channel_reply, Ref, Reply}, State = #state{transport_pid = TransportPid, inflight = Inflight}) ->
+%% 收到来自efka_micro_service的回复
+handle_info({ems_reply, Ref, Reply}, State = #state{transport_pid = TransportPid, inflight = Inflight}) ->
     case maps:take(Ref, Inflight) of
         error ->
             {noreply, State};
diff --git a/apps/efka/src/efka_micro_service.erl b/apps/efka/src/efka_micro_service.erl
index 2c80733..d29968d 100644
--- a/apps/efka/src/efka_micro_service.erl
+++ b/apps/efka/src/efka_micro_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_params/4, push_metrics/4, request_params/1, request_metrics/1]).
+-export([push_params/3, push_metrics/3, request_params/1, request_metrics/1]).
 -export([metric_data/2, send_event/3, send_ai_event/3]).
 
 %% gen_server callbacks
@@ -41,6 +41,8 @@
     %% 配置信息
     manifest :: undefined | efka_manifest:manifest(),
 
+    inflight = #{},
+
     %% 当前服务的运行状态
     running_status = ?STATUS_STOPPED
 }).
@@ -65,11 +67,11 @@ get_name(ServiceId) when is_binary(ServiceId) ->
 get_pid(ServiceId) when is_binary(ServiceId) ->
     whereis(get_name(ServiceId)).
 
-push_params(Pid, Ref, ReceiverPid, Params) when is_pid(Pid), is_binary(Params) ->
-    gen_server:cast(Pid, {push_params, Ref, ReceiverPid, Params}).
+push_params(Pid, Ref, Params) when is_pid(Pid), is_binary(Params) ->
+    gen_server:cast(Pid, {push_params, Ref, self(), Params}).
 
-push_metrics(Pid, Ref, ReceiverPid, Metrics) when is_pid(Pid), is_binary(Metrics) ->
-    gen_server:cast(Pid, {push_metrics, Ref, ReceiverPid, Metrics}).
+push_metrics(Pid, Ref, Metrics) when is_pid(Pid), is_binary(Metrics) ->
+    gen_server:cast(Pid, {push_metrics, Ref, self(), Metrics}).
 
 request_params(Pid) when is_pid(Pid) ->
     gen_server:call(Pid, request_params).
@@ -233,22 +235,22 @@ handle_cast({send_ai_event, EventType, Params}, State = #state{service_id = Serv
     {noreply, State};
 
 %% 推送配置项目
-handle_cast({push_params, Ref, ReceiverPid, Params}, State = #state{running_status = ?STATUS_RUNNING, channel_pid = ChannelPid}) ->
+handle_cast({push_params, Ref, ReceiverPid, Params}, State = #state{running_status = ?STATUS_RUNNING, channel_pid = ChannelPid, inflight = Inflight}) ->
     case is_pid(ChannelPid) andalso is_process_alive(ChannelPid) of
         true ->
-            efka_tcp_channel:push_params(ChannelPid, Ref, ReceiverPid, Params),
-            {noreply, State};
+            efka_tcp_channel:push_params(ChannelPid, Ref, self(), Params),
+            {noreply, State#state{inflight = maps:put(Ref, ReceiverPid, Inflight)}};
         false ->
-            ReceiverPid ! {channel_reply, Ref, {error, <<"channel is not alive">>}},
+            ReceiverPid ! {ems_reply, Ref, {error, <<"channel is not alive">>}},
             {reply, State}
     end;
 
 %% 推送采集项
-handle_cast({push_metrics, Ref, ReceiverPid, Metrics}, State = #state{running_status = ?STATUS_RUNNING, channel_pid = ChannelPid}) ->
+handle_cast({push_metrics, Ref, ReceiverPid, Metrics}, State = #state{running_status = ?STATUS_RUNNING, channel_pid = ChannelPid, inflight = Inflight}) ->
     case is_pid(ChannelPid) andalso is_process_alive(ChannelPid) of
         true ->
-            efka_tcp_channel:push_metrics(ChannelPid, Ref, ReceiverPid, Metrics),
-            {noreply, State};
+            efka_tcp_channel:push_metrics(ChannelPid, Ref, self(), Metrics),
+            {noreply, State#state{inflight = maps:put(Ref, ReceiverPid, Inflight)}};
         false ->
             ReceiverPid ! {channel_reply, Ref, {error, <<"channel is not alive">>}},
             {noreply, State}
@@ -281,6 +283,16 @@ handle_info({timeout, _, reboot_service}, State = #state{service_id = ServiceId,
             end
     end;
 
+%% 处理channel的回复
+handle_info({channel_reply, Ref, Reply}, State = #state{inflight = Inflight}) ->
+    case maps:take(Ref, Inflight) of
+        error ->
+            {noreply, State};
+        {ReceiverPid, NInflight} ->
+            ReceiverPid ! {ems_reply, Ref, Reply},
+            {noreply, State#state{inflight = NInflight}}
+    end;
+
 handle_info({Port, {data, Data}}, State = #state{port = Port, service_id = ServiceId}) ->
     lager:debug("[efka_micro_service] service_id: ~p, port data: ~p", [ServiceId, Data]),
     {noreply, State};