Fatal error: Uncaught Error: Call to undefined function log_message() in /data/www/www.yishengya.cn/thinkphp/tpl/404.tpl:16 Stack trace: #0 /data/www/www.yishengya.cn/thinkphp/library/think/exception/Handle.php(166): include() #1 /data/www/www.yishengya.cn/thinkphp/library/think/exception/Handle.php(84): think\exception\Handle->convertExceptionToResponse(Object(think\exception\ErrorException)) #2 /data/www/www.yishengya.cn/thinkphp/library/think/Error.php(47): think\exception\Handle->render(Object(think\exception\ErrorException)) #3 /data/www/www.yishengya.cn/thinkphp/library/think/Error.php(80): think\Error::appException(Object(think\exception\ErrorException)) #4 [internal function]: think\Error::appShutdown() #5 {main} thrown in /data/www/www.yishengya.cn/thinkphp/tpl/404.tpl on line 16