anchor.diff:  %% API Functions
   %%
   read(_Table, Query) ->
  +	%% fetch要增加一个server name
  +	ServerName = mysql_name_server:get_client(),
       PoolId = mysql_util:get_pool_id_read(),
       Result = mysql:fetch(PoolId, Query),
       case Result of
  -        {updated, Info} ->
  +        {data, Info} ->
               Res = mysql:get_result_rows(Info),
               mysql_helper:unpacks(Res);
           {error, _Something} ->
  
positive.code:     end.
  
  select(_Table, Query) ->
      PoolId = mysql_util:get_pool_id_read(),
      Result = mysql:fetch(PoolId, Query),
      case Result of
  
negative.code:     end.
  
  write(_Table, Query) ->
  	ServerName = mysql_name_server:get_client(),
  %%     PoolId = mysql_util:get_pool_id_write(),
      PoolId = mysql_util:get_pool_id_read(),
      Result = mysql:fetch(PoolId, Query),
  