网页版本微信报错：pass_ticket原因

D:\Anaconda3\python.exe F:/pywsp/PycharmProjects/exchangeAPI/weixinbot.py
Getting uuid of QR code.
Downloading QR code.
Please scan the QR code to log in.
Please press confirm on your phone.
Loading the contact, this may take a little while.
Traceback (most recent call last):
  File "F:/pywsp/PycharmProjects/exchangeAPI/weixinbot.py", line 9, in
    bot1 = Bot(cache_path=None, console_qr=False, qr_path=None, qr_callback=None, login_callback=None, logout_callback=None)
  File "D:\Anaconda3\lib\site-packages\wxpy\api\bot.py", line 86, in __init__
    loginCallback=login_callback, exitCallback=logout_callback
  File "D:\Anaconda3\lib\site-packages\itchat\components\register.py", line 35, in auto_login
    loginCallback=loginCallback, exitCallback=exitCallback)
  File "D:\Anaconda3\lib\site-packages\itchat\components\login.py", line 66, in login
    self.show_mobile_login()
  File "D:\Anaconda3\lib\site-packages\itchat\components\login.py", line 212, in show_mobile_login
    self.loginInfo['url'], self.loginInfo['pass_ticket'])
KeyError: 'pass_ticket'

Process finished with exit code 1
 

已查明，网页版微信被封，防止机器人操作。