diff --git a/apps/iot/src/endpoint/endpoint_subscription.erl b/apps/iot/src/endpoint/endpoint_subscription.erl
index 484ce0e..d9d0f05 100644
--- a/apps/iot/src/endpoint/endpoint_subscription.erl
+++ b/apps/iot/src/endpoint/endpoint_subscription.erl
@@ -13,7 +13,7 @@
 
 %% API
 -export([start_link/0]).
--export([subscribe/2, publish/2]).
+-export([subscribe/2, publish/3]).
 -export([match_components/2, is_valid_components/1, of_components/1]).
 
 %% gen_server callbacks
@@ -45,9 +45,9 @@
 subscribe(Topic, SubscriberPid) when is_binary(Topic), is_pid(SubscriberPid) ->
     gen_server:call(?SERVER, {subscribe, Topic, SubscriberPid}).
 
--spec publish(Topic :: binary(), Content :: binary()) -> no_return().
-publish(Topic, Content) when is_binary(Topic), is_binary(Content) ->
-    gen_server:cast(?SERVER, {publish, Topic, Content}).
+-spec publish(RouteKey :: binary(), ServiceId :: binary(), Content :: binary()) -> no_return().
+publish(RouteKey, ServiceId, Content) when is_binary(RouteKey), is_binary(Content) ->
+    gen_server:cast(?SERVER, {publish, RouteKey, ServiceId, Content}).
 
 %% @doc Spawns the server and registers the local name (unique)
 -spec(start_link() ->
@@ -98,13 +98,12 @@ handle_call({subscribe, Topic, SubscriberPid}, _From, State = #state{subscribers
     {noreply, NewState :: #state{}, timeout() | hibernate} |
     {stop, Reason :: term(), NewState :: #state{}}).
 %% 发布消息
-handle_cast({publish, Topic, Content}, State = #state{subscribers = Subscribers}) ->
-    MatchedSubscribers = match_subscribers(Subscribers, Topic),
+handle_cast({publish, RouteKey, ServiceId, Metric}, State = #state{subscribers = Subscribers}) ->
+    MatchedSubscribers = match_subscribers(Subscribers, RouteKey),
     lists:foreach(fun(#subscriber{subscriber_pid = SubscriberPid}) ->
-        SubscriberPid ! {topic_broadcast, Topic, Content}
+        endpoint:forward(SubscriberPid, ServiceId, Metric)
                   end, MatchedSubscribers),
-
-    lager:debug("[efka_subscription] topic: ~p, content: ~p, match subscribers: ~p", [Topic, Content, MatchedSubscribers]),
+    lager:debug("[efka_subscription] route_key: ~p, metric: ~p, match subscribers: ~p", [RouteKey, Metric, MatchedSubscribers]),
     {noreply, State}.
 
 %% @private
diff --git a/apps/iot/src/iot_host.erl b/apps/iot/src/iot_host.erl
index 84dc24c..bf68e7e 100644
--- a/apps/iot/src/iot_host.erl
+++ b/apps/iot/src/iot_host.erl
@@ -365,12 +365,7 @@ handle_event(cast, {handle, {data, #data{service_id = ServiceId, device_uuid = D
                     case iot_device:is_activated(Device) of
                         true ->
                             RouteKey = get_route_key(RouteKey0),
-                            case endpoint:get_alias_pid(RouteKey) of
-                                undefined ->
-                                    ok;
-                                EndpointPid ->
-                                    endpoint:forward(EndpointPid, ServiceId, Metric)
-                            end,
+                            endpoint_subscription:publish(RouteKey, ServiceId, Metric),
                             NDevice = iot_device:change_status(Device, ?DEVICE_ONLINE),
                             {keep_state, State#state{device_map = maps:put(DeviceUUID, NDevice, DeviceMap)}};
                         false ->
@@ -455,7 +450,7 @@ code_change(_OldVsn, StateName, State = #state{}, _Extra) ->
 
 -spec get_route_key(binary()) -> binary().
 get_route_key(<<"">>) ->
-    <<"default">>;
+    <<"/">>;
 get_route_key(RouteKey) when is_binary(RouteKey) ->
     RouteKey.