nano  /usr/local/lib/python2.7/site-packages/sitecustomize.py
import sys  
reload(sys)  
sys.setdefaultencoding('UTF-8')  
after i finished ,
root@debian:/home/debian# python
Python 2.7.3 (default, Jan  2 2013, 16:53:07) 
[GCC 4.7.2] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import sys
>>> print sys.getdefaultencoding()
ascii
What is the matter?
 
     
    