diff --git a/src/dubbo_provider_protocol.erl b/src/dubbo_provider_protocol.erl
index 67e61ae..805119c 100644
--- a/src/dubbo_provider_protocol.erl
+++ b/src/dubbo_provider_protocol.erl
@@ -68,8 +68,7 @@
         #state{socket = Socket, transport = Transport},
         ?IDLE_TIMEOUT).
 
-handle_info({tcp, _Port, Data}, #state{recv_buffer = RecvBuffer, socket = Socket, transport = Transport} = State) ->
-%%    Transport:setopts(Socket, [{active, once}]),
+handle_info({tcp, _Port, Data}, #state{recv_buffer = RecvBuffer} = State) ->
     NowBuffer = <<RecvBuffer/binary, Data/binary>>,
 
     {ok, NextBuffer, NewState} = case check_recv_data(NowBuffer, State) of
@@ -79,7 +78,6 @@
                                          logger:debug("[INFO] recv one data state wait next_buffer"),
                                          {ok, NextBuffer2, State3}
                                  end,
-%%    HeartbeatInfo =update_heartbeat(write,NewState#state.heartbeat),
     {noreply, NewState#state{recv_buffer = NextBuffer}, ?IDLE_TIMEOUT};
 
 handle_info({tcp_closed, _Socket}, State) ->
@@ -179,20 +177,10 @@
 
 %% @doc process event
 -spec process_response(IsEvent :: boolean(), #dubbo_response{}, #state{}) -> ok.
-process_response(true, Response, State) ->
-%%
+process_response(true, _Response, State) ->
     {ok, State};
 
-process_response(false, Response, State) ->
-%%    case get_earse_request_info(Response#dubbo_response.mid) of
-%%        undefined->
-%%            logger:error("dubbo response can't find request data,response ~p",[Response]);
-%%        {SourcePid,Ref,Request} ->
-%%            logger:debug("will cast mid ~p to source process SourcePid ~p",[Response#dubbo_response.mid,SourcePid]),
-%%            RpcContent=[],
-%%            ResponseData = de_type_transfer:response_to_native(Response),
-%%            gen_server:cast(SourcePid,{msg_back,Ref,ResponseData,RpcContent})
-%%    end,
+process_response(false, _Response, State) ->
     {ok, State}.
 
 process_request(true, Request, State) ->
diff --git a/src/dubbo_provider_worker_sup.erl b/src/dubbo_provider_worker_sup.erl
index 3f68ca5..ee6a5ba 100644
--- a/src/dubbo_provider_worker_sup.erl
+++ b/src/dubbo_provider_worker_sup.erl
@@ -67,14 +67,7 @@
     MaxSecondsBetweenRestarts = 3600,
 
     SupFlags = {RestartStrategy, MaxRestarts, MaxSecondsBetweenRestarts},
-
-    Restart = permanent,
-    Shutdown = 2000,
-    Type = worker,
-
-    AChild = {'AName', {'AModule', start_link, []},
-        Restart, Shutdown, Type, ['AModule']},
-
+    
     PoolArgs = [{name, {local, provider_worker}},
         {worker_module, dubbo_provider_worker},
         {size, 5},
diff --git a/src/dubbo_registry_zookeeper.erl b/src/dubbo_registry_zookeeper.erl
index 52152fc..c9924df 100644
--- a/src/dubbo_registry_zookeeper.erl
+++ b/src/dubbo_registry_zookeeper.erl
@@ -346,7 +346,7 @@
     CheckPath = <<RootPath/binary, <<"/">>/binary, Item/binary>>,
 
     case erlzk:exists(Pid, CheckPath) of
-        {ok, Stat} ->
+        {ok, _Stat} ->
             check_and_create_path(Pid, CheckPath, Rst);
         {error, no_node} ->
             logger:debug("check_and_create_path unexist no_node ~p", [CheckPath]),
diff --git a/src/dubbo_serializa_hessian.erl b/src/dubbo_serializa_hessian.erl
index 79a1b96..287c302 100644
--- a/src/dubbo_serializa_hessian.erl
+++ b/src/dubbo_serializa_hessian.erl
@@ -122,7 +122,7 @@
             {DecodeState, Req} = decode_header(request, Flag, State, Mid, DataLen),
             {DecodeState, request, Req}
     end.
-decode_header(request, Flag, State, Mid, DataLen) ->
+decode_header(request, Flag, _State, Mid, _DataLen) ->
     SerializeType = Flag band 16#1f,
     IsTwoWay = if
                    (Flag band 16#40) /= 0 -> true;
@@ -140,7 +140,7 @@
         serialize_type = SerializeType
     },
     {ok, Req};
-decode_header(response, Flag, State, Mid, DataLen) ->
+decode_header(response, Flag, State, Mid, _DataLen) ->
     SerializeType = Flag band 16#1f,
     IsEvent = if
                   (Flag band 16#20) /= 0 -> true;
@@ -191,7 +191,7 @@
 
 decode_request(dubbo_rpc_invocation, Req, Data) ->
     {ResultList, _NewState, _RestData} = decode_request_body(Data, cotton_hessian:init(), [dubbo, path, version, method_name, desc_and_args, attachments]),
-    [_DubboVersion, Path, Version, MethodName, Desc, ArgsObj, Attachments] = ResultList,
+    [_DubboVersion, Path, Version, MethodName, _Desc, ArgsObj, Attachments] = ResultList,
     RpcData = #dubbo_rpc_invocation{className = trans_path_to_classname(Path), classVersion = Version, methodName = MethodName, parameterDesc = Data, parameters = ArgsObj, attachments = Attachments},
     Req2 = Req#dubbo_request{data = RpcData},
     {ok, Req2};
diff --git a/src/dubbo_serializa_json.erl b/src/dubbo_serializa_json.erl
index d6825e1..81daad1 100644
--- a/src/dubbo_serializa_json.erl
+++ b/src/dubbo_serializa_json.erl
@@ -19,7 +19,7 @@
 
 -include("dubbo.hrl").
 %% API
--export([decode_response/2, decode_request/2, decode_header/1, decode_request/2]).
+-export([decode_response/2, decode_request/2, decode_header/1]).
 
 -export([encode_request_data/1, encode_response_data/1]).
 
@@ -73,7 +73,7 @@
     {ok, Bin} = encode_response_data(DataType, Response, Response#dubbo_response.data, State),
     {ok, Bin}.
 
-encode_response_data(dubbo_event, _Response, Data, State) ->
+encode_response_data(dubbo_event, _Response, Data, _State) ->
     Bin = jsx:encode(Data),
     {ok, Bin};
 encode_response_data(dubbo_rpc_invocation, _Response, Data, State) ->
@@ -113,7 +113,7 @@
             {DecodeState, Req} = decode_header(request, Flag, State, Mid, DataLen),
             {DecodeState, request, Req}
     end.
-decode_header(request, Flag, State, Mid, DataLen) ->
+decode_header(request, Flag, _State, Mid, _DataLen) ->
     SerializeType = Flag band 16#1f,
     IsTwoWay = if
                    (Flag band 16#40) /= 0 -> true;
@@ -131,7 +131,7 @@
         serialize_type = SerializeType
     },
     {ok, Req};
-decode_header(response, Flag, State, Mid, DataLen) ->
+decode_header(response, Flag, State, Mid, _DataLen) ->
     SerializeType = Flag band 16#1f,
     IsEvent = if
                   (Flag band 16#20) /= 0 -> true;
@@ -155,12 +155,10 @@
 decode_response(dubbo_rpc_invocation, Res, Data) ->
     DataList = binary:split(Data, <<"\n">>, [global]),
     [TypeBin | DataList1] = DataList,
-%%    {Rest,Type,State} = cotton_hessian:decode(Data,cotton_hessian:init()),
     Type = jsx:decode(TypeBin),
 
     case Type of
         ?RESPONSE_VALUE ->
-%%            {_,Object,DecodeState} = cotton_hessian:decode(Rest,State),
             [Value | _] = DataList1,
             Object = jsx:decode(Value, [return_maps]),
             {ok, Res#dubbo_response{data = Object}};
@@ -175,8 +173,7 @@
             {ok, Res#dubbo_response{data = <<"server pool exhausted">>}}
 
     end;
-decode_response(dubbo_event, Res, Data) ->
-%%    {_Rest,undefined,_NewState} = cotton_hessian:decode(Data,cotton_hessian:init()),
+decode_response(dubbo_event, Res, _Data) ->
     {ok, Res#dubbo_response{data = null}}.
 
 -spec decode_request(#dubbo_request{}, binary()) -> {ok, #dubbo_request{}}.
@@ -189,8 +186,8 @@
     end.
 
 decode_request(dubbo_rpc_invocation, Req, Data) ->
-    {ResultList, NewState, RestData} = decode_request_body(Data, #{}, [dubbo, path, version, method_name, desc_and_args, attachments]),
-    [DubboVersion, Path, Version, MethodName, Desc, ArgsObj, Attachments] = ResultList,
+    {ResultList, _NewState, _RestData} = decode_request_body(Data, #{}, [dubbo, path, version, method_name, desc_and_args, attachments]),
+    [_DubboVersion, Path, Version, MethodName, Desc, ArgsObj, Attachments] = ResultList,
     RpcData = #dubbo_rpc_invocation{className = Path, classVersion = Version, methodName = MethodName, parameterDesc = Desc, parameters = ArgsObj, attachments = Attachments},
     Req2 = Req#dubbo_request{data = RpcData},
     {ok, Req2};
@@ -230,7 +227,6 @@
     end;
 decode_request_body([attachments | List], [DataItem | Data], State, ResultList) ->
     Attachments = jsx:decode(DataItem, [return_maps]),
-%%    AttachmentsList = dict:to_list(Attachments#map.dict),
     decode_request_body(List, Data, State, [Attachments] ++ ResultList);
 decode_request_body([_Type1 | List], Data, State, ResultList) ->
     logger:warning("decode_request_body unknow type"),
@@ -247,7 +243,6 @@
 
 decode_request_body_args([ArgsType | RestList], [DataItem | Data], State, ArgsObjList) ->
     ArgObj = jsx:decode(DataItem, [return_maps]),
-%%    {Rest,ArgObj,NewState } = cotton_hessian:decode(Data,State),
     ArgObj2 = dubbo_type_transfer:jsonobj_to_native(ArgsType, ArgObj, State),
     decode_request_body_args(RestList, Data, State, ArgsObjList ++ [ArgObj2]).
 
@@ -255,8 +250,6 @@
     <<<<"\"">>/binary, Data/binary, <<"\"">>/binary>>;
 string_encode(Data) when is_tuple(Data) ->
     [Name | _] = tuple_to_list(Data),
-%%    Size = record_info(size, Name),
-%%    Fields = record_info(fields, Name),
     case dubbo_type_register:lookup_native_type(Name) of
         undefined ->
             <<"data encode error">>;
diff --git a/src/dubbo_type_encoding.erl b/src/dubbo_type_encoding.erl
index 4140198..3deee3e 100644
--- a/src/dubbo_type_encoding.erl
+++ b/src/dubbo_type_encoding.erl
@@ -64,7 +64,7 @@
 %%            type_decoding:hash_store(NewTypeDef,NewState),  %% 貌似这个没用,可以去掉.
             %%%%%%%%%%%%%%%%%%%%%%%%%%
             {hash, Ref, NewTypeDef, NewState};
-        {ok, {Ref, TypeDef}} ->
+        {ok, {Ref, _TypeDef}} ->
             {ref, Ref};
         error ->
             case get_deftype_public_pool(NativeType) of