Fatal error: Uncaught mysqli_sql_exception: Connection refused in /var/www/db.php:8
Stack trace:
#0 /var/www/db.php(8): mysqli_connect()
#1 /var/www/hottg/function.php(212): db()
#2 /var/www/hottg/function.php(115): select()
#3 /var/www/hottg/detail.php(33): daCache()
#4 /var/www/hottg/route.php(76): include_once('...')
#5 {main}
thrown in /var/www/db.php on line 8