location / {
	     rewrite ^/nginx/(.*)/$ /nginx/$1 permanent;
	     rewrite ^/nginx/(.*)$ /e/action/list.php?classid=1&py=$1 last;
	}

蜘蛛放行。其他的防问404

        if ($http_user_agent !~* "baiduspider|sogou|bingbot|360Spider|Bytespider|YisouSpider|Googlebot")
        {
          return 404;
        }