Fatal error: Uncaught ArgumentCountError: var_dump() expects at least 1 argument, 0 given in /www/wwwroot/wxapp.xnui.cn/xcore/Library/xnui.class.php:17 Stack trace: #0 /www/wwwroot/wxapp.xnui.cn/xcore/Library/xnui.class.php(17): var_dump() #1 /www/wwwroot/wxapp.xnui.cn/index.php(6): xnui::AutoLoad() #2 {main} thrown in /www/wwwroot/wxapp.xnui.cn/xcore/Library/xnui.class.php on line 17