对py不熟，simiki g 的时候报错

[feng003]

Traceback (most recent call last):
  File "/usr/bin/simiki", line 8, in <module>
    sys.exit(main())
  File "/usr/lib/python2.7/site-packages/simiki/cli.py", line 404, in main
    generator.generate(include_draft=args['--draft'])
  File "/usr/lib/python2.7/site-packages/simiki/cli.py", line 181, in generate
    self.generate_tags()
  File "/usr/lib/python2.7/site-packages/simiki/cli.py", line 208, in generate_tags
    for root, dirs, files in os.walk(self.config["source"]):
  File "/usr/lib64/python2.7/os.py", line 294, in walk
    for x in walk(new_path, topdown, onerror, followlinks):
  File "/usr/lib64/python2.7/os.py", line 284, in walk
    if isdir(join(top, name)):
  File "/usr/lib64/python2.7/posixpath.py", line 80, in join
    path += '/' + b
UnicodeDecodeError: 'ascii' codec can't decode byte 0xd6 in position 7: ordinal not in range(128)

使用python版本是 2.7
因为一直使用有道云笔记的markdown写作，不知道是不是markdown格式或者编码有问题？