document.writeln("<li style=\"padding:8px 8px;\">");
document.writeln("晴之之：");
document.writeln("<span style=\"color:#999;\">");
document.writeln("2017-12-21 10:53:01");
document.writeln("</span><br>");
document.writeln("好的，没问题！感谢来访！");
document.writeln("</li>");