protected static $pconfig = array(); //平台配置 /** * @return WatchDog */ public static function factory($api = 106) { if (!isset(self::$_instance['WatchDog']) || !is_object(self::$_instance['WatchDog'])) { self::$_instance['WatchDog'] = new WatchDog(); } //参数配置 self::$api = $api;