HK Stock Exchange seems blocked Chrome driver with selenium

Recently, it does not work suddenly with the use of chromium selenium
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chrome_options = Options ()
chrome_options.add_experimental_option ("prefs", {
"download.default_directory": date_dir,
"download.prompt_for_download": False,
})
chromedriver = "./chromedriver.exe"

driver = webdriver.Chrome (executable_path = chromedriver, chrome_options = chrome_options)

stock_url = HKex_base_url + "1211"
driver.get (stock_url);
Time.Sleep (0.5)
driver.find_element_by_xpath ("// div[@class=’sublink’]//a[@class=’ete’]").Click on()