diff --git a/apps/iot/src/endpoint/endpoint.erl b/apps/iot/src/endpoint/endpoint.erl
index 445b48c..89d1a1e 100644
--- a/apps/iot/src/endpoint/endpoint.erl
+++ b/apps/iot/src/endpoint/endpoint.erl
@@ -13,7 +13,7 @@
 %% API
 -export([start_link/1]).
 -export([get_name/1, get_pid/1, forward/3, reload/2, clean_up/1]).
--export([get_alias_pid/1]).
+-export([get_alias_pid/1, is_support/1, get_protocol/1]).
 -export([endpoint_record/1]).
 
 %%%===================================================================
@@ -58,6 +58,20 @@ reload(Pid, NEndpoint = #endpoint{}) when is_pid(Pid) ->
 clean_up(Pid) when is_pid(Pid) ->
     gen_server:call(Pid, clean_up, 5000).
 
+-spec get_protocol(Endpoint :: #endpoint{}) -> atom().
+get_protocol(#endpoint{config = #http_endpoint{}}) ->
+    http;
+get_protocol(#endpoint{config = #mqtt_endpoint{}}) ->
+    mqtt;
+get_protocol(#endpoint{config = #kafka_endpoint{}}) ->
+    kafka.
+
+-spec is_support(Protocol :: atom()) -> boolean().
+is_support(Protocol) when is_atom(Protocol) ->
+    {ok, Props} = application:get_env(iot, endpoints),
+    SupportProtocols = proplists:get_value(support_protocols, Props, []),
+    lists:member(Protocol, SupportProtocols).
+
 -spec endpoint_record(EndpointInfo :: #{}) -> error | {ok, Endpoint :: #endpoint{}}.
 endpoint_record(#{<<"id">> := Id, <<"matcher">> := Matcher, <<"title">> := Title, <<"type">> := Type, <<"config">> := ConfigJson,
     <<"status">> := Status, <<"updated_at">> := UpdatedAt, <<"created_at">> := CreatedAt}) ->
diff --git a/apps/iot/src/endpoint/endpoint_kafka.erl b/apps/iot/src/endpoint/endpoint_kafka.erl
index 52a577c..7c16a8e 100644
--- a/apps/iot/src/endpoint/endpoint_kafka.erl
+++ b/apps/iot/src/endpoint/endpoint_kafka.erl
@@ -108,7 +108,7 @@ handle_info({timeout, _, connect}, State = #state{buffer = Buffer, status = ?DIS
                          BaseConfig
                  end,
 
-    case brod:start_link_client(BootstrapServers, ClientId, ClientConfig) of
+    case catch brod:start_link_client(BootstrapServers, ClientId, ClientConfig) of
         {ok, ClientPid} ->
             case brod:start_producer(ClientId, Topic, _ProducerConfig = []) of
                 ok ->
@@ -119,8 +119,8 @@ handle_info({timeout, _, connect}, State = #state{buffer = Buffer, status = ?DIS
                     retry_connect(),
                     {noreply, State#state{status = ?DISCONNECTED, client_pid = undefined}}
             end;
-        {error, Reason} ->
-            lager:debug("[endpoint_kafka] start_client: ~p, get error: ~p", [ClientId, Reason]),
+        Error ->
+            lager:debug("[endpoint_kafka] start_client: ~p, get error: ~p", [ClientId, Error]),
             retry_connect(),
             {noreply, State#state{status = ?DISCONNECTED, client_pid = undefined}}
     end;
diff --git a/apps/iot/src/endpoint/endpoint_mqtt.erl b/apps/iot/src/endpoint/endpoint_mqtt.erl
index fe99c20..87eabec 100644
--- a/apps/iot/src/endpoint/endpoint_mqtt.erl
+++ b/apps/iot/src/endpoint/endpoint_mqtt.erl
@@ -53,7 +53,7 @@ start_link(LocalName, Endpoint = #endpoint{}) when is_atom(LocalName) ->
 %% gen_statem:start_link/[3,4], this function is called by the new
 %% process to initialize.
 init([Endpoint = #endpoint{matcher = Matcher}]) ->
-    erlang:process_flag(trap_exit, true),
+    % erlang:process_flag(trap_exit, true),
     endpoint_subscription:subscribe(Matcher, self()),
 
     %% 创建转发器, 避免阻塞当前进程的创建，因此采用了延时初始化的机制
@@ -113,7 +113,7 @@ handle_info({timeout, _, create_postman}, State = #state{buffer = Buffer, status
 
     {ok, ConnPid} = emqtt:start_link(Opts),
     lager:debug("[endpoint_mqtt] start connect, options: ~p", [Opts]),
-    case emqtt:connect(ConnPid, 5000) of
+    case catch emqtt:connect(ConnPid, 5000) of
         {ok, _} ->
             lager:debug("[endpoint_mqtt] connect success, pid: ~p", [ConnPid]),
             NBuffer = endpoint_buffer:trigger_n(Buffer),
@@ -121,6 +121,10 @@ handle_info({timeout, _, create_postman}, State = #state{buffer = Buffer, status
         {error, Reason} ->
             lager:warning("[endpoint_mqtt] connect get error: ~p", [Reason]),
             erlang:start_timer(5000, self(), create_postman),
+            {noreply, State};
+        Error ->
+            lager:warning("[endpoint_mqtt] connect get error: ~p", [Error]),
+            erlang:start_timer(5000, self(), create_postman),
             {noreply, State}
     end;
 
diff --git a/apps/iot/src/endpoint/endpoint_sup.erl b/apps/iot/src/endpoint/endpoint_sup.erl
index 4a87c42..59bcec0 100644
--- a/apps/iot/src/endpoint/endpoint_sup.erl
+++ b/apps/iot/src/endpoint/endpoint_sup.erl
@@ -35,7 +35,12 @@ init([]) ->
             error ->
                 [];
             {ok, Endpoint} ->
-                [child_spec(Endpoint)]
+                case endpoint:is_support(endpoint:get_protocol(Endpoint)) of
+                    true ->
+                        [child_spec(Endpoint)];
+                    false ->
+                        []
+                end
         end
                                end, Endpoints),
     {ok, {SupFlags, ChildSpecs}}.
diff --git a/config/sys-dev.config b/config/sys-dev.config
index ed3fcd2..2d3a5df 100644
--- a/config/sys-dev.config
+++ b/config/sys-dev.config
@@ -26,6 +26,12 @@
     ]},
 
     {api_url, "http://100.123.0.4/api/v1"},
+    %% 支持的协议
+    {endpoints, [
+      {support_protocols, [
+        http
+      ]}
+    ]},
 
     %% 目标服务器地址
     {emqx_server, [