Laravel 5.4 session 生效问题

$response->send();

    /**
     * Sends HTTP headers.
     *
     * @return $this     */
    public function sendHeaders()
    {        // headers have already been sent by the developer
        if (headers_sent()) {            return $this;
        }        // headers
        foreach ($this->headers->allPreserveCaseWithoutCookies() as $name => $values) {            foreach ($values as $value) {                header($name.': '.$value, false, $this->statusCode);
            }
        }        // status
        header(sprintf('HTTP/%s %s %s', $this->version, $this->statusCode, $this->statusText), true, $this->statusCode);        // cookies
        foreach ($this->headers->getCookies() as $cookie) {            if ($cookie->isRaw()) {                setrawcookie($cookie->getName(), $cookie->getValue(), $cookie->getExpiresTime(), $cookie->getPath(), $cookie->getDomain(), $cookie->isSecure(), $cookie->isHttpOnly());
            } else {                setcookie($cookie->getName(), $cookie->getValue(), $cookie->getExpiresTime(), $cookie->getPath(), $cookie->getDomain(), $cookie->isSecure(), $cookie->isHttpOnly());
            }
        }        return $this;
    }