选择时间日期为什么跳转之后不能保留效果

Question

}).delegate(".c", "click", function (e) {                e.preventDefault();                $(".c").removeClass('active');                 var date=$(this).attr('date-id');                $("#date").val(date);                $(this).addClass('active');                                var frm = $("#gz-appontment-index-frm-id");$.ajax({                    type: "POST",                    data: frm.serialize(),                    url: gz_appontment_install_folder + "load.php?controller=GzFront&action=booking_Time",                    success: function (res) {                         $('#gz-appontment-main-container').html(res);                         $(this).addClass('active');//这个是样式                    }                });