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Notice: Use of undefined constant APP_ACTION - assumed 'APP_ACTION' in /www/wwwroot/ads.catblog.top/FrPHP/lib/Controller.php on line 30

Notice: Use of undefined constant APP_CONTROLLER - assumed 'APP_CONTROLLER' in /www/wwwroot/ads.catblog.top/FrPHP/lib/Controller.php on line 37

Notice: Use of undefined constant APP_ACTION - assumed 'APP_ACTION' in /www/wwwroot/ads.catblog.top/FrPHP/lib/Controller.php on line 37
错误信息提示示例：
方法不存在！