Fatal error: Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, null given in /var/www/toutiao/include/functions.php:558 Stack trace: #0 /var/www/toutiao/include/fun.php(51): get_site_category() #1 /var/www/toutiao/index.php(97): fun_category() #2 {main} thrown in /var/www/toutiao/include/functions.php on line 558