diff --git a/apps/iot/src/iot_host.erl b/apps/iot/src/iot_host.erl
index 47a0157..4aeb520 100644
--- a/apps/iot/src/iot_host.erl
+++ b/apps/iot/src/iot_host.erl
@@ -93,36 +93,36 @@ attach_channel(Pid, ChannelPid) when is_pid(Pid), is_pid(ChannelPid) ->
 get_containers(Pid) when is_pid(Pid) ->
     Request = #jsonrpc_request{method = <<"get_containers">>, params = #{}},
     EncConfigBin = message_codec:encode(?MESSAGE_JSONRPC_REQUEST, Request),
-    gen_statem:call(Pid, {rpc_call, self(), EncConfigBin}).
+    gen_statem:call(Pid, {jsonrpc_call, self(), EncConfigBin}).
 
 -spec config_container(Pid :: pid(), ContainerName :: binary(), ConfigJson :: binary()) -> {ok, Ref :: reference()} | {error, Reason :: any()}.
 config_container(Pid, ContainerName, ConfigJson) when is_pid(Pid), is_binary(ContainerName), is_binary(ConfigJson) ->
     Request = #jsonrpc_request{method = <<"config_container">>, params = #{<<"container_name">> => ContainerName, <<"config">> => ConfigJson}},
     EncConfigBin = message_codec:encode(?MESSAGE_JSONRPC_REQUEST, Request),
-    gen_statem:call(Pid, {rpc_call, self(), EncConfigBin}).
+    gen_statem:call(Pid, {jsonrpc_call, self(), EncConfigBin}).
 
 -spec deploy_container(Pid :: pid(), TaskId :: integer(), Config :: map()) -> {ok, Ref :: reference()} | {error, Reason :: any()}.
 deploy_container(Pid, TaskId, Config) when is_pid(Pid), is_integer(TaskId), is_map(Config) ->
     Request = #jsonrpc_request{method = <<"deploy">>, params = #{<<"task_id">> => TaskId, <<"config">> => Config}},
     EncDeployBin = message_codec:encode(?MESSAGE_JSONRPC_REQUEST, Request),
-    gen_statem:call(Pid, {rpc_call, self(), EncDeployBin}).
+    gen_statem:call(Pid, {jsonrpc_call, self(), EncDeployBin}).
 
 -spec start_container(Pid :: pid(), ContainerName :: binary()) -> {ok, Ref :: reference()} | {error, Reason :: any()}.
 start_container(Pid, ContainerName) when is_pid(Pid), is_binary(ContainerName) ->
     Request = #jsonrpc_request{method = <<"start_container">>, params = #{<<"container_name">> => ContainerName}},
     EncCallBin = message_codec:encode(?MESSAGE_JSONRPC_REQUEST, Request),
-    gen_statem:call(Pid, {rpc_call, self(), EncCallBin}).
+    gen_statem:call(Pid, {jsonrpc_call, self(), EncCallBin}).
 
 -spec stop_container(Pid :: pid(), ContainerName :: binary()) -> {ok, Ref :: reference()} | {error, Reason :: any()}.
 stop_container(Pid, ContainerName) when is_pid(Pid), is_binary(ContainerName) ->
     Request = #jsonrpc_request{method = <<"stop_container">>, params = #{<<"container_name">> => ContainerName}},
     EncCallBin = message_codec:encode(?MESSAGE_JSONRPC_REQUEST, Request),
-    gen_statem:call(Pid, {rpc_call, self(), EncCallBin}).
+    gen_statem:call(Pid, {jsonrpc_call, self(), EncCallBin}).
 
 %-spec task_log(Pid :: pid(), TaskId :: integer()) -> {ok, Ref :: reference()} | {error, Reason :: any()}.
 %task_log(Pid, TaskId) when is_pid(Pid), is_integer(TaskId) ->
 %    TaskLogBin = message_pb:encode_msg(#fetch_task_log{task_id = TaskId}),
-%    gen_statem:call(Pid, {rpc_call, self(), ?PUSH_TASK_LOG, TaskLogBin}).
+%    gen_statem:call(Pid, {jsonrpc_call, self(), ?PUSH_TASK_LOG, TaskLogBin}).
 
 -spec await_reply(Ref :: reference(), Timeout :: integer()) -> {ok, Result :: binary()} | {error, Reason :: binary()}.
 await_reply(Ref, Timeout) when is_reference(Ref), is_integer(Timeout) ->
@@ -234,11 +234,11 @@ handle_event({call, From}, get_status, _, State = #state{channel_pid = ChannelPi
     {keep_state, State, [{reply, From, {ok, Reply}}]};
 
 %% 只要channel存在，就负责将消息推送到边缘端主机
-handle_event({call, From}, {rpc_call, ReceiverPid, RpcCall}, _, State = #state{uuid = UUID, channel_pid = ChannelPid, has_session = HasSession}) ->
+handle_event({call, From}, {jsonrpc_call, ReceiverPid, RpcCall}, _, State = #state{uuid = UUID, channel_pid = ChannelPid, has_session = HasSession}) ->
     case HasSession andalso is_pid(ChannelPid) of
         true ->
             %% 通过websocket发送请求
-            Ref = tcp_channel:rpc_call(ChannelPid, ReceiverPid, RpcCall),
+            Ref = tcp_channel:jsonrpc_call(ChannelPid, ReceiverPid, RpcCall),
             {keep_state, State, [{reply, From, {ok, Ref}}]};
         false ->
             lager:debug("[iot_host] uuid: ~p, invalid state: ~p", [UUID, state_map(State)]),
diff --git a/apps/iot/src/tcp/tcp_channel.erl b/apps/iot/src/tcp/tcp_channel.erl
index 84b234b..25e93e9 100644
--- a/apps/iot/src/tcp/tcp_channel.erl
+++ b/apps/iot/src/tcp/tcp_channel.erl
@@ -12,7 +12,7 @@
 -behaviour(ranch_protocol).
 
 %% API
--export([pub/3, rpc_call/3, command/3]).
+-export([pub/3, jsonrpc_call/3, command/3]).
 
 -export([start_link/3, stop/2]).
 %% gen_server callbacks
@@ -43,10 +43,10 @@ command(Pid, CommandType, Command) when is_pid(Pid), is_integer(CommandType), is
     gen_server:cast(Pid, {command, CommandType, Command}).
 
 %% 向通道中写入消息
--spec rpc_call(Pid :: pid(), ReceiverPid :: pid(), CallBin :: binary()) -> Ref :: reference().
-rpc_call(Pid, ReceiverPid, CallBin) when is_pid(Pid), is_pid(ReceiverPid), is_binary(CallBin) ->
+-spec jsonrpc_call(Pid :: pid(), ReceiverPid :: pid(), CallBin :: binary()) -> Ref :: reference().
+jsonrpc_call(Pid, ReceiverPid, CallBin) when is_pid(Pid), is_pid(ReceiverPid), is_binary(CallBin) ->
     Ref = make_ref(),
-    gen_server:cast(Pid, {rpc_call, ReceiverPid, Ref, CallBin}),
+    gen_server:cast(Pid, {jsonrpc_call, ReceiverPid, Ref, CallBin}),
     Ref.
 
 %% 关闭方法
@@ -86,7 +86,7 @@ handle_cast({command, CommandType, Command}, State = #state{transport = Transpor
     {noreply, State};
 
 %% 推送消息
-handle_cast({rpc_call, ReceiverPid, Ref, CallBin}, State = #state{transport = Transport, socket = Socket, packet_id = PacketId, inflight = Inflight}) ->
+handle_cast({jsonrpc_call, ReceiverPid, Ref, CallBin}, State = #state{transport = Transport, socket = Socket, packet_id = PacketId, inflight = Inflight}) ->
     Transport:send(Socket, <<?PACKET_REQUEST, PacketId:32, CallBin/binary>>),
     {noreply, State#state{packet_id = PacketId + 1, inflight = maps:put(PacketId, {ReceiverPid, Ref}, Inflight)}}.