selenium被反爬出现空白页

def login(extension_path,tmp_path):
    chrome_options = webdriver.ChromeOptions()
    # 设置好应用扩展
    chrome_options.add_extension(extension_path)
    
     #添加下载路径
    prefs = {'profile.default_content_settings.popups': 0, 'download.default_directory':tmp_path,
             "profile.default_content_setting_values.automatic_downloads":1}#允许多个文件下载
    chrome_options.add_experimental_option('prefs', prefs)

    #修改windows.navigator.webdriver，防机器人识别机制，selenium自动登陆判别机制
	chrome_options.add_experimental_option('excludeSwitches', ['enable-automation']) 
	drive = webdriver.Chrome(chrome_options=chrome_options)
 	#CDP执行JavaScript 代码  重定义windows.navigator.webdriver的值
 	drive.execute_cdp_cmd("Page.addScriptToEvaluateOnNewDocument", {
      "source": """
        Object.defineProperty(navigator, 'webdriver', {
          get: () => undefined
        })
      """
    })
    url = 'https://sycm.taobao.com/portal/home.htm'
    drive.implicitly_wait(10)
    drive.get(url)
    input("请手动登录，成功后输入【1】：")
    #叉掉页面无关元素后再输入1继续执行
    drive.maximize_window() #窗口最大化
    tm=random.uniform(1,2)
    time.sleep(tm)
    return drive