NoneType' object has no attribute 'get'

[jiangfeng0103]

File "C:\Users\Administrator\AppData\Local\Programs\Python\Python36\lib\site-packages\zhihu\models\account.py", line 31, in login
return self._login_phone(account, password)
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python36\lib\site-packages\zhihu\models\account.py", line 37, in _login_phone
'_xsrf': self._get_xsrf(),
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python36\lib\site-packages\zhihu\models\base.py", line 62, in _get_xsrf
xsrf = soup.find('input', attrs={"name": "_xsrf"}).get("value")
AttributeError: 'NoneType' object has no attribute 'get'

[jiangfeng0103]

@KellyHwong