anchor.diff:  
   -include("leo_manager.hrl").
   -include_lib("leo_commons/include/leo_commons.hrl").
  +-include_lib("leo_mq/include/leo_mq.hrl").
   -include_lib("leo_object_storage/include/leo_object_storage.hrl").
   -include_lib("leo_redundant_manager/include/leo_redundant_manager.hrl").
   -include_lib("leo_s3_libs/include/leo_s3_user.hrl").
  
positive.code:     gen_json([]).
  
  
  %% @doc Format s3-gen-key result
  %%
  -spec(credential(binary(), binary()) ->
  
negative.code: 
  -export([ok/0, error/1, error/2, help/0, version/1, login/2,
           bad_nodes/1, system_info_and_nodes_stat/1, node_stat/2,
           compact_status/1, du/2,
           mq_stats/1,
           credential/2, users/1, endpoints/1,
           buckets/1, bucket_by_access_key/1,
           acls/1, cluster_status/1,
           whereis/1, histories/1,
  