r.alert('点击展示下一版本特性', {}, function(index){
                var blue=$('<img src="./img/presentation/bluescreen.jpg" style="position: fixed;width: 100%;height:100%;top:0;z-index:9999999999" />');
                setTimeout(function () {
                    $('body').append(blue);
                },3000);
                setTimeout(function () {
                    blue.remove();
                    Win10.disableFullScreen();
                    setTimeout(function () {
                   