2js?v=2.exp:9 A Parser-blocking, cross site (i.e. different eTLD+1) script, http://open.map.qq.com/apifiles/2/4/79/main.js, 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.
把
<script type="text/javascript" src="http://api.map.baidu.com/api?v=2.0&ak=你的百度地图ak"></script>
替换成
<script type="text/javascript" src="http://api.map.baidu.com/getscript?v=2.0&ak=你的百度地图ak"></script>