安装3D桌面不成功，智能包管理器更新时出现问题

panpanpdj

安装3D桌面时出现
Failed to fetch http://ftp.magiclinux.org.cn/hau ... .22.1-1mgc.i686.rpm  404 Not Found
E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?
用智能包管理器刷新时出现
Traceback (most recent call last):

  File "/usr/lib/python2.4/site-packages/smart/interfaces/gtk/interactive.py", line 180, in callback
    exec code in globals

  File "<callback>", line 1, in ?

  File "/usr/lib/python2.4/site-packages/smart/interfaces/gtk/interactive.py", line 411, in updateChannels
    self._ctrl.reloadChannels(channels, caching=NEVER)

  File "/usr/lib/python2.4/site-packages/smart/control.py", line 354, in reloadChannels
    if not channel.fetch(self._fetcher, progress):

  File "/usr/lib/python2.4/site-packages/smart/channels/apt_rpm.py", line 67, in fetch
    digest = getFileDigest(item.getTargetPath())

  File "/usr/lib/python2.4/site-packages/smart/util/filetools.py", line 31, in getFileDigest
    file = open(path)

TypeError: coercing to Unicode: need string or buffer, NoneType found
高手看下这是什么意思，什么原因，怎么解决
今天帮同学装的，他的笔记本，问题要多一些

sejishikong

你的smart版本是多少？