求selenium.common.exceptions.StaleElementReferenceException: Message: stale element reference: element is not attached to the page document解决办法

from selenium import webdriver
import time

class DouyuSpider:
    def __init__(self):
        self.start_url = "https://www.douyu.com/directory/all"
        self.driver = webdriver.Chrome()

    def get_content_list(self):
        li_list = self.driver.find_elements_by_xpath("//div[@class='layout-Module-container layout-Cover ListContent']/ul/li")
        content_list = []
        for li in li_list:
            item = {}
            item["room_title"] = li.find_element_by_xpath(".//h3").text
            item["room_img"] = li.find_element_by_xpath(".//img[@class='DyImg-content is-normal']").get_attribute("src")
            item["anchor_name"] = li.find_element_by_xpath(".//h2").text
            item["watch_num"] = li.find_element_by_xpath(".//span[@class='DyListCover-hot']").text
            item["room_cate"] = li.find_element_by_xpath(".//span[@class='DyListCover-zone']").text

            print(item)

    def run(self):
        # 1.start_url
        # 2.发送请求，获取响应
        self.driver.get(self.start_url)
        # 3.提取数据，提取下一页页的元素
        self.get_content_list()

if __name__ == '__main__':
    douyuspider = DouyuSpider()
    douyuspider.run()

https://blog.csdn.net/CaiJin1217/article/details/81700736