Select not working about mongoose-datatable HOT 5 CLOSED

    var options = {};
    options.select = 'campaign';
    model.dataTable(req.query, options, function(err, data) {
        res.json(data);
    });

$('#data-Table').dataTable({
  "bProcessing" : true,
  "bServerSide" : true,
  "sAjaxSource" : '{{ route("phone_list.list") }}',
  "aoColumns" : [
    { "mData" : "campaign" },
    { 
      "sName": "RoleId",
      "bSearchable": false,
      "bSortable": false,
      "mRender": function (data, type, full)                            
      {
        var id = full['number'];
        return "<a href='#"id+"'>"+
        "<button class='btn btn-primary btn-circle'>"+
        "<i class='fa fa-list' style='font-size:18px'></i></button> </a>";
      }
     }
  ]
}); 

{ sEcho: '2',
  iTotalRecords: 52,
  iTotalDisplayRecords: 52,
  aaData: 
   [ { _id: 53bfc5e8beb14ce414050e2e,
       campaign: 'test #1' },
     { _id: 53bfc4e9a16b7eba13cafe63,
       campaign: 'test #2' }
] }

{ sEcho: '2',
  iTotalRecords: 52,
  iTotalDisplayRecords: 52,
  aaData: 
   [ { _id: 53bfc5e8beb14ce414050e2e,
       campaign: 'test #1',
       number : 1234 },
     { _id: 53bfc4e9a16b7eba13cafe63,
       campaign: 'test #2',
       number: 2345 }
] }

    var options = {};
    options.select = ['provider' , 'id'];
    model.dataTable(req.query, options, function(err, data) {
        res.json(data);
    });