pycharm 自动创建的 django project 时，运行却出现以下问题，求解？

E:\python27\python.exe "E:\pycharm\PyCharm 4.0.6\helpers\pydev\pydevd.py" --multiproc --client 127.0.0.1 --port 53449 --file D:/项目文件/ceshi/manage.py runserver
pydev debugger: process 2116 is connecting

Connected to pydev debugger (build 139.1659)
pydev debugger: process 1884 is connecting

Performing system checks...

System check identified no issues (0 silenced).
Unhandled exception in thread started by <pydev_monkey._NewThreadStartupWithTrace instance at 0x0000000003CA6CC8>
Traceback (most recent call last):
File "E:\pycharm\PyCharm 4.0.6\helpers\pydev\pydevmonkey.py", line 426, in __call_
return self.originalfunc(*self.args, **self.kwargs)
File "C:\Users\tooweak\AppData\Roaming\Python\Python27\site-packages\django\utils\autoreload.py", line 223, in wrapper
fn(*args, **kwargs)
File "C:\Users\tooweak\AppData\Roaming\Python\Python27\site-packages\django\core\management\commands\runserver.py", line 112, in inner_run
self.check_migrations()
File "C:\Users\tooweak\AppData\Roaming\Python\Python27\site-packages\django\core\management\commands\runserver.py", line 164, in check_migrations
executor = MigrationExecutor(connections[DEFAULT_DB_ALIAS])
File "C:\Users\tooweak\AppData\Roaming\Python\Python27\site-packages\django\db\migrations\executor.py", line 19, in __init_
self.loader = MigrationLoader(self.connection)
File "C:\Users\tooweak\AppData\Roaming\Python\Python27\site-packages\django\db\migrations\loader.py", line 47, in init
self.buildgraph()
File "C:\Users\tooweak\AppData\Roaming\Python\Python27\site-packages\django\db\migrations\loader.py", line 180, in build_graph
self.applied_migrations = recorder.applied_migrations()
File "C:\Users\tooweak\AppData\Roaming\Python\Python27\site-packages\django\db\migrations\recorder.py", line 59, in applied_migrations
self.ensure_schema()
File "C:\Users\tooweak\AppData\Roaming\Python\Python27\site-packages\django\db\migrations\recorder.py", line 49, in ensure_schema
if self.Migration._meta.db_table in self.connection.introspection.table_names(self.connection.cursor()):
File "C:\Users\tooweak\AppData\Roaming\Python\Python27\site-packages\django\db\backends\base\base.py", line 164, in cursor
cursor = self.make_debug_cursor(self._cursor())
File "C:\Users\tooweak\AppData\Roaming\Python\Python27\site-packages\django\db\backends\base\base.py", line 137, in _cursor
self.ensure_connection()
File "C:\Users\tooweak\AppData\Roaming\Python\Python27\site-packages\django\db\backends\base\base.py", line 132, in ensure_connection
self.connect()
File "C:\Users\tooweak\AppData\Roaming\Python\Python27\site-packages\django\db\utils.py", line 97, in __exit_
six.reraise(dj_exc_type, dj_exc_value, traceback)
File "C:\Users\tooweak\AppData\Roaming\Python\Python27\site-packages\django\db\backends\base\base.py", line 132, in ensure_connection
self.connect()
File "C:\Users\tooweak\AppData\Roaming\Python\Python27\site-packages\django\db\backends\base\base.py", line 121, in connect
self.connection = self.get_new_connection(conn_params)
File "C:\Users\tooweak\AppData\Roaming\Python\Python27\site-packages\django\db\backends\sqlite3\base.py", line 204, in get_new_connection
conn = Database.connect(**conn_params)
django.db.utils.OperationalError: unable to open database file