move 主题出错，编码问题？

[xiaojay]

@livid

错误信息如下

Traceback (most recent call last):
File "/base/python_runtime/python_lib/versions/1/google/appengine/ext/webapp/_webapp25.py", line 703, in __call__
handler.post(*groups)
File "/base/data/home/apps/v2ex/1.355122049783476170/backstage.py", line 1655, in post
node_new = GetKindByName('Node', destination)
File "/base/data/home/apps/v2ex/1.355122049783476170/v2ex/babel/da/__init__.py", line 37, in GetKindByName
one = memcache.get(K + '::' + str(name))
UnicodeEncodeError: 'ascii' codec can't encode characters in position 0-1: ordinal not in range(128)