cannot download from http://archive.ubuntu.org.cn/ubuntu

[newrider]

after apt-get update
it's said that some parts cant be downloaded:

代码： 全选

错误 http://archive.ubuntu.org.cn hoary-backports/main Packages
  404 Not Found
错误 http://archive.ubuntu.org.cn hoary-backports/universe Packages
  404 Not Found
错误 http://archive.ubuntu.org.cn hoary-backports/multiverse Packages
  404 Not Found
错误 http://archive.ubuntu.org.cn hoary-backports/restricted Packages
  404 Not Found

代码： 全选

无法下载 http://archive.ubuntu.org.cn/backports/dists/hoary-backports/main/binary-i386/Packages.gz  404 Not Found
无法下载 http://archive.ubuntu.org.cn/backports/dists/hoary-backports/universe/binary-i386/Packages.gz  404 Not Found
无法下载 http://archive.ubuntu.org.cn/backports/dists/hoary-backports/multiverse/binary-i386/Packages.gz  404 Not Found
无法下载 http://archive.ubuntu.org.cn/backports/dists/hoary-backports/restricted/binary-i386/Packages.gz  404 Not Found

i'm in Hoary Hedgehog[/code]

[firehare]

我也出现了这个问题，可能是源站的问题吧！