修改文件夹名称为中文时报错

管理文件夹->修改文件夹标题为中文->创建(不应该是保存？)

Traceback (most recent call last):
File "/usr/local/lib/python2.7/dist-packages/tornado/web.py", line 1346, in _when_complete
callback()
File "/usr/local/lib/python2.7/dist-packages/tornado/web.py", line 1367, in _execute_method
self._when_complete(method(*self.path_args, **self.path_kwargs),
File "/usr/local/lib/python2.7/dist-packages/tornado/web.py", line 2523, in wrapper
return method(self, *args, **kwargs)
File "/www/v2ex/galaxy/handlers/web/notes.py", line 238, in post
if str(folder_title) in ['.', '..']:
UnicodeEncodeError: 'ascii' codec can't encode characters in position 0-1: ordinal not in range(128)