Fatal error: Uncaught Error: Call to undefined method Util::isDevEnv() in /www/wwwroot/樊不烦/3cy/init.php:19 Stack trace: #0 /www/wwwroot/樊不烦/3cy/index.php(7): require_once() #1 {main} thrown in /www/wwwroot/樊不烦/3cy/init.php on line 19