在服务器上，安装了 Nginx。Let's Encrypt 在 www.domain.com 上运行良好，但不适用于 static.domain.com
使用 PuTTY，当我输入时：
sudo letsencrypt certonly -a webroot --webroot-path=/var/www/site/domain -d static.domain.com -d domain.com -d www.domain.com
我有以下问题：
Failed authorization procedure. static.domain.com (http-01): urn:acme:error:unauthorized :: The client lacks sufficient authorization :: Invalid response from http://static.domain.com/.well-known/acme-challenge/c6zngeBwPq42KLXT2ovW-bVPOQ0OHuJ7Fw_FbfL8XfY: "<html>
<head><title>403 Forbidden</title></head>
<body bgcolor="white">
<center><h1>403 Forbidden</h1></center>
<hr><center>"
IMPORTANT NOTES:
- The following errors were reported by the server:
Domain: static.domain.com
Type: unauthorized
Detail: Invalid response from
http://static.domain.com/.well-known/acme-challenge/c6zngeBwPq42KLXT2ovW-bVPOQ0OHuJ7Fw_FbfL8XfY:
"<html>
<head><title>403 Forbidden</title></head>
<body bgcolor="white">
<center><h1>403 Forbidden</h1></center>
<hr><center>"
To fix these errors, please …