方法不存在:app\index\controller\Hdtz->upload()

            $vars = $this->app->config('app.url_param_type')
            ? $this->app['request']->route()
            : $this->app['request']->param();
        } elseif (is_callable([$instance, '_empty'])) {
            // 空操作
            $call = [$instance, '_empty'];
            $vars = [$actionName];
        } else {
            // 操作不存在
            throw new HttpException(404, 'method not exists:' . get_class($instance) . '->' . $action . '()');
        }

        $this->app['hook']->listen('action_begin', $call);

        return Container::getInstance()->invokeMethod($call, $vars);
    }
}