from selenium import webdriver import time driver = webdriver.Chrome() driver.set_window_size(640, 960) driver.get('http://m.zhihu.com/#signin') driver.execute_script('$(".js-bindqq")[0].click()') time.sleep(5) driver.switch_to.window(driver.window_handles[-1]) driver.switch_to.frame(0) print driver.find_element_by_id('switcher_plogin').text driver.execute_script('$("#switcher_plogin")[0].click()')上面的print能输出'帐号密码登录'，但是后面的click提示：WebDriverException: Message: unknown error: Cannot read property '0' of null
![[웹 프런트엔드] Node.js 빠른 시작](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
额，我傻了，直接
driver.findelementbyid('switcherplogin').click()
就行了呗。