关于pymongo的报错

[kongbob123]

查了很多资料，发现关于这个问题的提问很少，stackoverflow上的讲的不太详细，求助啊！！！3q！！！
>>> import pymongo
>>> con = pymongo.Connection()

Traceback (most recent call last):
File "<pyshell#1>", line 1, in <module>
con = pymongo.Connection()
File "E:\STUDY\python\python 2.7.3\lib\site-packages\pymongo-2.5-py2.7-win32.egg\pymongo\connection.py", line 220, in __init__
max_pool_size, document_class, tz_aware, _connect, **kwargs)
File "E:\STUDY\python\python 2.7.3\lib\site-packages\pymongo-2.5-py2.7-win32.egg\pymongo\mongo_client.py", line 336, in __init__
raise ConnectionFailure(str(e))
ConnectionFailure: could not connect to localhost:27017: [Errno 10061]