问jQuery拖放后CSS不能正确更新，但在检查器中可以

EN

<td class="item-container draggable-item-container clearfix ui-droppable">
                            <div data-tooltip="" class="item clearfix draggable-active draggable-item show-game ui-draggable tooltip-init" style="background-color: rgb(255, 55, 108);" data-bind="draggableCss: { disabled: $data.Disabled(), matchup: $data.Matchup, invalid: $data.Invalid, current: $data.Current }, draggableGameHandler : { disabled: !$data.Matchup, disabledDrop: $data.Disabled() }, delegatedClick: $root.members.eventSchedule.editGame.open.bind($data, true, ($data.Matchup && $data.Matchup.Type == '@((int)ScheduleType.Pool)'), $parent.Games)">

                            </div>
                        </td>



ko.bindingHandlers.draggableCss = {
        update: function (element, valueAccessor) {

            var values = valueAccessor();

            $(element).toggleClass('ui-droppable-disabled', values.disabled);
            $(element).toggleClass('hide-game', (!values.matchup || !values.matchup.Selected()));
            $(element).toggleClass('show-game', (values.matchup && values.matchup.Selected()) ? true : false);
            $(element).toggleClass('empty', !values.matchup);
            $(element).toggleClass('expand', viewModel.showTeams());

            if (values.editable) {
                $(element).addClass('editable-game');
            }

            if (values.matchup) {

                if (values.matchup.Selected()) {
                    $(element).removeClass('occupied', false);
                }

                if (values.invalid && values.invalid()) {
                    updateElementColors(element, values.matchup.Color, 'invalid');
                }
                else if (values.current && values.current()) {
                    updateElementColors(element, values.matchup.Color, 'current');
                }
                else  {
                    updateElementColor(element, values.matchup.Color, false);
                }

                if (values.matchup.CrossGame)
                    $(element).addClass('cross-game');


            } else if (values.invalid && values.invalid() && !values.disabled) {
                updateElementColors(element, null, 'invalid');
            } else {
                $(element).removeClass('invalid').removeClass('current');
            }
        }
    };