当前访问路由未定义或不匹配

            // 检测跨域路由
            $result = $this->cross->check($this->request, $url, $completeMatch);
        }

        if (false !== $result) {
            // 路由匹配
            return $result;
        } elseif ($must) {
            // 强制路由不匹配则抛出异常
            throw new RouteNotFoundException();
        }

        // 默认路由解析
        return new UrlDispatch($this->request, $this->group, $url, [
            'auto_search' => $this->autoSearchController,
        ]);
    }

    /**