如何搭建web IM demo的问题

我下载了三个包 jchat-web-master.zip，jmessage-api-php-client-master.zip，jmessage-sdk-web-2.6.0.zip，jchat-web-master单独运行无法显示，我该如何搭建自己的web demo？

下面是jchat-web-master在web console的报错信息：

api?v=2.0&ak=30jUnHmbTPaaVDsCqGITmEW6VsvzQvH3&s=1:1 A parser-blocking, cross site (i.e. different eTLD+1) script, https://api.map.baidu.com/getscript?v=2.0&ak=30jUnHmbTPaaVDsCqGITmEW6VsvzQvH3&services=&t=20180529182003, is invoked via document.write. The network request for this script MAY be blocked by the browser in this or a future page load due to poor network connectivity. If blocked in this page load, it will be confirmed in a subsequent console message. See https://www.chromestatus.com/feature/5718547946799104 for more details.
(anonymous) @ api?v=2.0&ak=30jUnHmbTPaaVDsCqGITmEW6VsvzQvH3&s=1:1
(anonymous) @ api?v=2.0&ak=30jUnHmbTPaaVDsCqGITmEW6VsvzQvH3&s=1:1