anchor.diff:      [Node2|_] = string:tokens(Node1, "@:"),
       Node3 = list_to_atom(Node2),
   
  -    {ok, Active} = inspect_fun(0, false),
  +    {ok, Active, _} = inspect_fun(0, false),
       Ret = case lists:keyfind(Node3, 1, Active) of
                 {_,_Host,_Port, NumOfActive,_Workers} when NumOfActive > 0 ->
                     active;
  
positive.code: %% gen_server callbacks
  %%====================================================================
  init([Interval]) ->
      defer_inspect(Interval),
      {ok, #state{interval = Interval}}.
  
  
  handle_call(stop, _From, State) ->
  
negative.code:     inspect_fun(Interval, true).
  
  inspect_fun(Interval, IsDefer) ->
      {ok, Active} = inspect_fun_1([]),
      case IsDefer of
          true  -> 
              {ok, TRef} = defer_inspect(Interval),
              {ok, Active, TRef};
          false -> 
              {ok, Active, undefined}
      end.
  
  inspect_fun_1([] = Acc) ->
      Ret = ets:first(?TBL_RPC_CONN_INFO),
  