问HTTP请求是否有可能在超时后成功

EN

        while(1)
        {
            std::cout << "=====post once>>>>>>>>>>>" << std::endl;
            auto res = Post(route.c_str(), content, "text/plain");
            if((res == nullptr) || (res->status != 200))
                sleep(3);
            else
            {
                if (res) {
                //   std::cout << res->status << std::endl;
                std::cout << res->body << std::endl;
                }
                break;
            }
        }