你可以尝试，而不是从根目录的相对路径，即：

Can you try relative path from root folder, i.e instead of:

src: url('fonts/cooperblackstd.eot');

尝试

src: url('/fonts/cooperblackstd.eot');

presuming字体是一个文件夹在同一级别为www文件夹下的.html文件。

presuming fonts is a folder at the same level as your .html file under the www folder.

问候，