def get_all_classify():
    """获取全部菜谱分类"""
    url = "https://www.xinshipu.com/%E8%8F%9C%E8%B0%B1%E5%A4%A7%E5%85%A8.html"
    response = requests.get(url, headers=get_header())
    html = BeautifulSoup(response.text, "lxml")

    all_a = html.find("div", {'class': "detail-cate-list clearfix mt20"}).find_all('a')
    classify = dict()

    for a in all_a:
        if a.has_attr('rel') and not a.has_attr('class'):
            class_url = urljoin(HOME_URL, a['href'])
            classify[a.text] = class_url

    return classify