@ooh root@johnnyding-Inspiron-3437:/home/johnnyding/文档 /2017-interview/test# python test.py Traceback (most recent call last): File "test.py", line 19, in <module> main() File "test.py", line 13, in main data = w.get_info(url) File "/home/johnnyding/文档 /2017-interview/test/weibo.py", line 102, in get_info data['page'] = int(soup.find('input', {'name': 'mp'}).get('value')) AttributeError: 'NoneType' object has no attribute 'get' 这个错是什么?