anchor.diff:              #state{formatter = Formatter} = State) ->
       ?put_cmd_history(Command),
       Fun = fun() ->
  -                  case remove(Command, Option) of
  +                  case remove(Option) of
                         ok ->
                             Formatter:ok();
                         {error, Cause} ->
  
positive.code: 
  %% @doc Retrieve information of an Assigned object
  %% @private
  -spec(whereis(binary(), binary()) ->
               ok | {error, any()}).
  whereis(_CmdBody, Option) ->
      case ?get_tokens(Option, ?ERROR_INVALID_PATH) of
          {ok, [Key|_]}->
              HasRoutingTable = (leo_redundant_manager_api:checksum(ring) >= 0),
  
negative.code:         {error, Cause} ->
              {error, Cause}
      end;
  status({node_state, Node}) ->
      case leo_manager_api:get_node_status(Node) of
          {ok, {Type, State}} ->
              {ok, {Type, State}};
          {error, Cause} ->
              {error, Cause}
      end;
  status(Option) ->
      Tokens = string:tokens(binary_to_list(Option), ?COMMAND_DELIMITER),
      case (Tokens == []) of
          true ->
              %% Reload and store system-conf
              case ?env_mode_of_manager() of
                  'master' ->
                      case leo_cluster_tbl_conf:get() of
                          {ok, SystemConf} ->
                              SystemConf;
                          _ ->
                              void
                      end;
                  _ ->
                      void
              end,
  
              %% Retrieve the status
              status(node_list);
          false ->
              [Node|_] = Tokens,
              status({node_state, Node})
      end.
  
  
  %% @doc Launch the storage cluster
  %% @private
  -spec(start(port()|null) ->
               ok | {error, any()}).
  start(Socket) ->
      case leo_manager_mnesia:get_storage_nodes_all() of
          {ok, _} ->
              case leo_manager_api:get_system_status() of
  