蓝梦文件外链系统是一款php简单的上传下载系统，使用html5设计美观，可以自行设置css缓存，即使是单php也可以完成上传外链的工作。-Blue Dream file outside the chain system is a simple php upload and download system using html5 beautifully designed, you can set its own cache css, php even a single upload can be