$('body').append('<div id="zs_alert" style="position: fixed;bottom: 4px;right: 4px;display:none;z-index:9999;"><div style="position: relative;height: 280px;"><span style="width: 50px;height: 40px;position: absolute;right: 0;cursor: pointer;"></span><a href="https://www.nync.com/zhaoshang"><img src="https://static.nync.com/main/images/zs.png" style=""></a></div></div>')

                window.setTimeout(function(){
                    $("#zs_alert").slideDown(1000);
                }, 1000); 
                $("#zs_alert span").click(function() {
                    $.ajax({url: 'https://www.nync.com/zs_close',xhrFields: {withCredentials: true}
                    }).done(function(msg) {
                        $('#zs_alert').slideUp(700);
                    }); 
                });