// 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,
 ]);
 }

 /**