firefox_driver = webdriver.Firefox()
    firefox_driver.get("https://www.baidu.com/")
    firefox_driver.implicitly_wait(10)
    set_all = firefox_driver.find_element_by_css_selector("#s-usersetting-top")
    print(set_all.text)
  ActionChains(firefox_driver).move_to_element(set_all).perform()
    time.sleep(1)
    firefox_driver.find_element_by_link_text("搜索设置").click()
    set1 = firefox_driver.find_element_by_css_selector("ul.pftab_hd>li.item:nth-child(1)")  # 搜索设置
    set2 = firefox_driver.find_element_by_css_selector("ul.pftab_hd>li.item:nth-child(2)")  # 高级设置
    firefox_driver.find_element_by_css_selector("#s1_2").click()
    firefox_driver.find_element_by_css_selector(".prefpanelgo").click()  # 保存设置
    alert = firefox_driver.switch_to.alert
    print(alert.text)
    alert.accept()
    time.sleep(2)

    time.sleep(1)
    set_all2 = firefox_driver.find_element_by_css_selector("#s-usersetting-top")  # 页面刷新了，要重新拿这个值，不然会报错
    print(set_all2.text)
    print(firefox_driver)
    input1 = firefox_driver.find_element_by_css_selector("input#kw")
    ActionChains(firefox_driver).move_to_element(input1).perform()
    time.sleep(2)
    ActionChains(firefox_driver).move_to_element(set_all2).perform()  # 注意这里
    time.sleep(1)
    firefox_driver.find_element_by_link_text("高级搜索").click()
    print(firefox_driver.current_window_handle)
    time.sleep(1)
    input1 = firefox_driver.find_element_by_css_selector("#adv_keyword")
    input1.clear()
    input1.send_keys("测试")
    time_set_all = firefox_driver.find_element_by_css_selector(".adv-gpc-select > div:nth-child(1) > span:nth-child(1)")
    time_set_all.click()
    firefox_driver.find_element_by_css_selector(".adv-gpc-select > div:nth-child(2) > div:nth-child(2) > p:nth-child(3)").click()
    firefox_driver.find_element_by_css_selector("div.bottom-btn-wrap>input.advanced-search-btn").click()  # 提交
    time.sleep(2)
    result = firefox_driver.title
    print(result)
    time.sleep(3)
    firefox_driver.quit()