diff --git a/apps/iot/src/http_handler/device_handler.erl b/apps/iot/src/http_handler/device_handler.erl
index 5b3d99d..4d395b3 100644
--- a/apps/iot/src/http_handler/device_handler.erl
+++ b/apps/iot/src/http_handler/device_handler.erl
@@ -29,7 +29,7 @@ handle_request("POST", "/device/reload", _, #{<<"device_uuid">> := DeviceUUID})
                     lager:debug("[device_handler] reload device: ~p, get error: ~p", [DeviceUUID, Reason]),
                     {ok, 200, iot_util:json_error(404, <<"reload device failed">>)}
             end;
-        {ok, DevicePid} when is_pid(DevicePid) ->
+        DevicePid when is_pid(DevicePid) ->
             iot_device:reload(DevicePid),
             {ok, 200, iot_util:json_data(<<"success">>)}
     end;
@@ -39,7 +39,7 @@ handle_request("POST", "/device/delete", _, #{<<"device_uuid">> := DeviceUUID})
     case iot_device:get_pid(DeviceUUID) of
         undefined ->
             {ok, 200, iot_util:json_data(<<"success">>)};
-        {ok, DevicePid} when is_pid(DevicePid) ->
+        DevicePid when is_pid(DevicePid) ->
             iot_device_sup:delete_device(DeviceUUID),
             {ok, 200, iot_util:json_data(<<"success">>)}
     end;
diff --git a/apps/iot/src/iot_host.erl b/apps/iot/src/iot_host.erl
index 16b789a..3ffc6b6 100644
--- a/apps/iot/src/iot_host.erl
+++ b/apps/iot/src/iot_host.erl
@@ -21,7 +21,7 @@
 -define(HOST_AUTHED, 1).
 
 %% API
--export([start_link/2, get_name/1, get_pid/1, handle/2, reload/1, activate/2, reload_device/2, delete_device/2, auth_device/3]).
+-export([start_link/2, get_name/1, get_pid/1, handle/2, reload/1, activate/2]).
 -export([get_metric/1, publish_message/4, get_aes/1]).
 -export([create_session/2, attach_channel/2]).
 
@@ -65,20 +65,6 @@ handle(Pid, Packet) when is_pid(Pid) ->
 reload(Pid) when is_pid(Pid) ->
     gen_statem:call(Pid, reload).
 
-%% 重新加载主机的基本信息
--spec reload_device(Pid :: pid(), DeviceUUID :: binary()) -> ok | {error, Reason :: any()}.
-reload_device(Pid, DeviceUUID) when is_pid(Pid), is_binary(DeviceUUID) ->
-    gen_statem:call(Pid, {reload_device, DeviceUUID}).
-
-%% 重新加载主机的基本信息
--spec delete_device(Pid :: pid(), DeviceUUID :: binary()) -> ok | {error, Reason :: any()}.
-delete_device(Pid, DeviceUUID) when is_pid(Pid), is_binary(DeviceUUID) ->
-    gen_statem:call(Pid, {delete_device, DeviceUUID}).
-
--spec auth_device(Pid :: pid(), DeviceUUID :: binary(), Auth :: boolean()) -> ok | {error, Reason :: any()}.
-auth_device(Pid, DeviceUUID, Auth) when is_pid(Pid), is_binary(DeviceUUID), is_boolean(Auth) ->
-    gen_statem:call(Pid, {auth_device, DeviceUUID, Auth}).
-
 -spec get_aes(Pid :: pid()) -> {ok, Aes :: binary()}.
 get_aes(Pid) when is_pid(Pid) ->
     gen_statem:call(Pid, get_aes).
@@ -244,47 +230,6 @@ handle_event({call, From}, {create_session, PubKey}, StateName, State = #state{u
 
     {next_state, session, State, [{reply, From, {ok, <<10:8, EncReply/binary>>}}]};
 
-%% 处理设备相关
-handle_event({call, From}, {reload_device, DeviceUUID}, _, State) ->
-    case iot_device:get_pid(DeviceUUID) of
-        undefined ->
-            case iot_device_sup:start_device(DeviceUUID) of
-                {ok, DevicePid} when is_pid(DevicePid) ->
-                    {keep_state, State, [{reply, From, ok}]};
-                {error, Reason} ->
-                    {keep_state, State, [{reply, From, {error, Reason}}]}
-            end;
-        DevicePid when is_pid(DevicePid) ->
-            iot_device:reload(DevicePid),
-            {keep_state, State, [{reply, From, ok}]}
-    end;
-
-handle_event({call, From}, {auth_device, DeviceUUID, Auth}, _, State = #state{uuid = UUID}) ->
-    case iot_device:get_pid(DeviceUUID) of
-        undefined ->
-            case iot_device_sup:start_device(DeviceUUID) of
-                {ok, Pid} ->
-                    iot_device:auth(Pid, Auth),
-                    {keep_state, State, [{reply, From, ok}]};
-                {error, Reason} ->
-                    lager:notice("[iot_host] host: ~p, auth_device, try start_device get error: ~p", [UUID, Reason]),
-                    {keep_state, State, [{reply, From, {error, Reason}}]}
-            end;
-        DevicePid ->
-            iot_device:auth(DevicePid, Auth),
-            {keep_state, State, [{reply, From, ok}]}
-    end;
-
-handle_event({call, From}, {delete_device, DeviceUUID}, _, State = #state{uuid = UUID}) ->
-    case iot_device:get_pid(DeviceUUID) of
-        undefined ->
-            lager:notice("[iot_host] uuid: ~p, delete device: ~p, not found", [UUID, DeviceUUID]),
-            {keep_state, State, [{reply, From, ok}]};
-        DevicePid when is_pid(DevicePid) ->
-            iot_device_sup:delete_device(DeviceUUID),
-            {keep_state, State, [{reply, From, ok}]}
-    end;
-
 %% 需要将消息转换成json格式然后再处理, 需要在host进程里面处理, 数据带有props，服务端暂时未用到
 handle_event(cast, {handle, {data, Data}}, session, State = #state{aes = AES}) ->
     PlainData = iot_cipher_aes:decrypt(AES, Data),