控制器不存在:201909

        $module = $this->app->config('app_multi_module') ? array_shift($path) : null;
        if ($this->param['auto_search']) {
            $controller = $this->autoFindController($module, $path);
        } else {
            // 解析控制器
            $controller = !empty($path) ? array_shift($path) : null;
        }
        
        if ($controller && !preg_match('/^[A-Za-z](\w|\.)*$/', $controller)) {
             throw new HttpException(404, 'controller not exists:' . $controller);
         }
        // 解析操作
        $action = !empty($path) ? array_shift($path) : null;

        // 解析额外参数
        if ($path) {
            if ($this->app['config']->get('url_param_type')) {
                $var += $path;
            } else {