jquery select2刷新数据

我的加载代码：

$('.datetiR_563_11845@epicker').on("changeDate",function() {  
        //refresh SELEctBox ??
        doctor_id = $(".SELEct2-doctors").val();
        clinic_id = $(".SELEct2-clinics").val();
        date = $('.datetiR_563_11845@epicker').datepicker('getFormattedDate');
        $.ajax({
            url: '/admin/appointments/time_slots',type: 'GET',dataType: 'json',data: {doctor_id: doctor_id,clinic_id: clinic_id,date: datE}
        })
        .done(function(data) {
            console.log("success");
            console.log(data);
            $('.SELEct2-slot').SELEct2({
                data: data.slots
            });
        })
        .always(function() {
            console.log("complete");
        });
    });