You are not allowed to add pages
/etc/apache2/sites-available/default-ssl.conf
SSLEngine on
SSLCertificateFile /etc/letsencrypt/live/dengxihe.com/fullchain.pem
SSLCertificateKeyFile /etc/letsencrypt/live/dengxihe.com/privkey.pem
RewriteEngine on
RewriteCond %{HTTPS} off [OR]
RewriteCond %{HTTP_HOST} ^www\. [NC]
RewriteCond %{HTTP_HOST} ^(?:www\.)?(.+)$ [NC]
RewriteRule ^ https://%1%{REQUEST_URI} [L,NE,R=301]
<link rel="shortcut icon" href="/images/favicon.ico">
Add following to wikiconfig.py
html_head = ''' <link rel="shortcut icon" href="/images/favicon.ico"> '''