nginx配置文件,server模块中添加

rewrite ^.*/files/(.*)$ /wp-includes/ms-files.php?file=$1 last;
if (!-e $request_filename) {
    rewrite ^.+?(/wp-.*) $1 last;
    rewrite ^.+?(/.*\.php)$ $1 last;
    rewrite ^ /index.php last;
}