location /seafhttp {
	rewrite ^/seafhttp(.*)$ $1 break;
	proxy_pass http://files;
	proxy_http_version 1.1;
	client_max_body_size 0;
	proxy_connect_timeout  3s;
	proxy_read_timeout  3600s;
	proxy_send_timeout  3600s;
	send_timeout  3600s;
}