code: def active(self) -> bool:
          
          try:
              # 取得資料
              response = self.__session.get(
                  self.__url + '/TopMenu', timeout=0.5, verify=False)
              soup = BeautifulSoup(response.text, 'html.parser')
              # 回傳是否為登入成功才看得到的網頁
              return soup.find('a').get_text().strip() == '線上考試'
  
          except requests.exceptions.Timeout:
              return None
docs: 檢查登入狀態