使用官方提供的CDN服务
将下面一段加入layout文件中
<link href="/go.html?url=https://netdna.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.css" rel="stylesheet"> <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.js"></script> <script src="https://netdna.bootstrapcdn.com/bootstrap/3.3.5/js/bootstrap.js"></script> <link href="/go.html?url=https://cdnjs.cloudflare.com/ajax/libs/summernote/0.8.9/summernote.css" rel="stylesheet"> <script src="https://cdnjs.cloudflare.com/ajax/libs/summernote/0.8.9/summernote.js"></script><link hre
