难得看到 Mozilla Add-ons 站点出错：
We are sorry, addons.mozilla.org is temporarily unavailable at this
time.
Error Message
DB Error: connect failed
Backtrace
file: /data/www/addons.mozilla.org/public/inc/includes.php
line: 55
function: triggererror
args: Array
file: /data/www/addons.mozilla.org/public/inc/includes.php
line: 60
function: amo_sql
class: amo_sql
type:
args: Array
file: /data/www/addons.mozilla.org/public/htdocs/extensions.php
line: 13
args: Array
function: require_once