提交主题报错 Traceback (most recent call last): File "/usr/local/lib/python2.7/dist-packages/tornado/web.py", line 1042, in _execute getattr(self, self.request.method.lower())(*args, **kwargs) File "/usr/local/lib/python2.7/dist-packages/tornado/web.py", line 1809, in wrapper return method(self, *args, **kwargs) File "/www/v2ex/galaxy/handlers/web/topic.py", line 73, in post topic_title = self.get_argument('title').strip() File "/usr/local/lib/python2.7/dist-packages/tornado/web.py", line 311, in get_argument args = self.get_arguments(name, strip=strip) File "/usr/local/lib/python2.7/dist-packages/tornado/web.py", line 327, in get_arguments v = self.decode_argument(v, name=name) File "/usr/local/lib/python2.7/dist-packages/tornado/web.py", line 350, in decode_argument return _unicode(value) File "/usr/local/lib/python2.7/dist-packages/tornado/escape.py", line 183, in to_unicode return value.decode("utf-8") File "/usr/lib/python2.7/encodings/utf_8.py", line 16, in decode return codecs.utf_8_decode(input, errors, True) UnicodeDecodeError: 'utf8' codec can't decode byte 0xb4 in position 3: invalid start byte