anchor.diff:  %%--------------------------------------------------------------------
   get_avs_stats_summary(ResStats) ->
       lists:foldl(
  -        fun({ok, #storage_stats{file_path  = _ObjPath,
  -                                total_sizes = TotalSize,
  -                                active_sizes = ActiveSize,
  -                                has_error = HasError,
  -                                total_num  = Total,
  -                                active_num = Active} = SS},
  -            {SumTotal, SumActive, SumTotalSize, SumActiveSize}) ->
  -                io:format(user, "[debug]ss:~p~n",[SS]),
  -                case TotalSize of
  -                    0 -> void;
  -                    _ -> ?assertEqual(false, HasError)
  -                end,
  -                {SumTotal + Total,
  -                 SumActive + Active,
  -                 SumTotalSize + TotalSize,
  -                 SumActiveSize + ActiveSize}
  -        end, {0, 0, 0, 0}, ResStats).
  +      fun({ok, #storage_stats{file_path  = _ObjPath,
  +                              total_sizes = TotalSize,
  +                              active_sizes = ActiveSize,
  +                              has_error = HasError,
  +                              total_num  = Total,
  +                              active_num = Active} = SS},
  +          {SumTotal, SumActive, SumTotalSize, SumActiveSize}) ->
  +              io:format(user, "[debug]ss:~p~n",[SS]),
  +              case TotalSize of
  +                  0 -> void;
  +                  _ -> ?assertEqual(false, HasError)
  +              end,
  +              {SumTotal + Total,
  +               SumActive + Active,
  +               SumTotalSize + TotalSize,
  +               SumActiveSize + ActiveSize}
  +      end, {0, 0, 0, 0}, ResStats).
   
   
   put_test_data(AddrId, Key, Bin) ->
  
positive.code:     io:format(user, "teardown~n", []),
      os:cmd("rm -rf " ++ Path1),
      os:cmd("rm -rf " ++ Path2),
      application:stop(crypto),
      timer:sleep(200),
      ok.
  
  
  
negative.code: 
               timer:sleep(3000),
               {ok, Res2} = leo_object_storage_api:stats(),
               {SumTotal2, SumActive2, SumTotalSize2, SumActiveSize2}
                   = get_avs_stats_summary(Res2),
               io:format(user, "[debug] summary1:~p~n", [{SumTotal2, SumActive2, SumTotalSize2, SumActiveSize2}]),
               ?assertEqual(13, SumTotal2),
               ?assertEqual(13, SumActive2),
               ?assertEqual(true, SumTotalSize2 =:= SumActiveSize2),
  
  
               %% confirm whether first compaction have broken avs files or not
               ok = leo_compaction_manager_fsm:start(TargetPids, 2, FunHasChargeOfNode),
  