anchor.diff:  
       {dict:erase(Seq, Ps), dict:erase(Seq, Ms)};
   
  -% ��ͨ����Ӧ
   handle_resp(#resp{seq=Seq}=Resp, {Ps, Ms}) ->
       case dict:find(Seq, Ps) of
  -        error -> 
  +        error ->
               ignore;
           {ok, {From, _Time}} ->
               Result = case (catch process_resp(Resp)) of
  
positive.code:             end,
  
      {Ps, NewMs};
      
  handle_resp(#resp{opcode=noop,seq=Seq}=Resp, {Ps, Ms}) ->
      case dict:find(Seq, Ms) of
          error -> 
              Ms;
          {ok, ItemDict} ->
              case dict:find(Seq, Ps) of
  
negative.code: 
  process_resp(#resp{opcode=getkq, status=Status, extra=Extra, key=Key, body=Value}) ->
      case Status of
          ok ->
              <<Flags:32>> = Extra,
              {ok, {Key, {Value, Flags}}};
          _ -> {ok, {Key, undefined}}
  