Try waiting a few minutes and reloading.
(無法存取資料庫:Cannot access the database: Too many connections (127.0.0.1))
Backtrace:
#0 /var/www/mediawiki/includes/libs/rdbms/loadbalancer/LoadBalancer.php(1134): Wikimedia\Rdbms\Database->reportConnectionError('Too many connec...') #1 /var/www/mediawiki/includes/libs/rdbms/loadbalancer/LoadBalancer.php(749): Wikimedia\Rdbms\LoadBalancer->reportConnectionError() #2 /var/www/mediawiki/includes/GlobalFunctions.php(2801): Wikimedia\Rdbms\LoadBalancer->getConnection(0, Array, false) #3 /var/www/mediawiki/includes/Title.php(417): wfGetDB(-1) #4 /var/www/mediawiki/includes/MediaWiki.php(83): Title::newFromID(2468799) #5 /var/www/mediawiki/includes/MediaWiki.php(141): MediaWiki->parseTitle() #6 /var/www/mediawiki/includes/MediaWiki.php(777): MediaWiki->getTitle() #7 /var/www/mediawiki/includes/MediaWiki.php(524): MediaWiki->main() #8 /var/www/mediawiki/index.php(42): MediaWiki->run() #9 {main}