python manage.py runserver问题

wjemail

操作系统是CentOS6.5， python 2.7.12， django 1.9.7。配置全部是默认的，运行 python manage.py runserver出现一下错误：
python manage.py runserver
Performing system checks...

System check identified no issues (0 silenced).
Unhandled exception in thread started by <function wrapper at 0x7f292c95c848>
Traceback (most recent call last):
  File "/usr/local/lib/python2.7/site-packages/django/utils/autoreload.py", line 226, in wrapper
    fn(*args, **kwargs)
  File "/usr/local/lib/python2.7/site-packages/django/core/management/commands/runserver.py", line 117, in inner_run
    self.check_migrations()
  File "/usr/local/lib/python2.7/site-packages/django/core/management/commands/runserver.py", line 163, in check_migrations
    executor = MigrationExecutor(connections[DEFAULT_DB_ALIAS])
  File "/usr/local/lib/python2.7/site-packages/django/db/migrations/executor.py", line 20, in __init__
    self.loader = MigrationLoader(self.connection)
  File "/usr/local/lib/python2.7/site-packages/django/db/migrations/loader.py", line 49, in __init__
    self.build_graph()
  File "/usr/local/lib/python2.7/site-packages/django/db/migrations/loader.py", line 176, in build_graph
    self.applied_migrations = recorder.applied_migrations()
  File "/usr/local/lib/python2.7/site-packages/django/db/migrations/recorder.py", line 65, in applied_migrations
    self.ensure_schema()
  File "/usr/local/lib/python2.7/site-packages/django/db/migrations/recorder.py", line 59, in ensure_schema
    raise MigrationSchemaMissing("Unable to create the django_migrations table (%s)" % exc)
UnicodeDecodeError: 'ascii' codec can't decode byte 0xf1 in position 6: ordinal not in range(12

哪位大侠指点一下！