现在好用的源是怎么样的？？我的源能显示可以更新，但是文件却下载不了

[shitbaby]

deb http://ubuntu.cn99.com/ubuntu/ dapper main restricted universe multiverse
deb http://ubuntu.cn99.com/ubuntu/ dapper-updates main restricted universe multiverse
deb http://ubuntu.cn99.com/ubuntu/ dapper-security main restricted universe multiverse
deb http://ubuntu.cn99.com/ubuntu/ dapper-backports main restricted universe multiverse
deb http://ubuntu.cn99.com/ubuntu-cn/ dapper main restricted universe multiverse


deb http://archive.ubuntu.org.cn/ubuntu/ dapper main restricted universe multiverse
deb http://archive.ubuntu.org.cn/ubuntu/ dapper-security main restricted universe multiverse
deb http://archive.ubuntu.org.cn/ubuntu/ dapper-updates main restricted universe multiverse
deb http://archive.ubuntu.org.cn/ubuntu/ dapper-backports main restricted universe multiverse
deb http://archive.ubuntu.org.cn/ubuntu-cn/ dapper main restricted universe multiverse





deb http://mirror.lupaworld.com/ubuntu/archive/ dapper main restricted universe multiverse
deb http://mirror.lupaworld.com/ubuntu/archive/ dapper-security main restricted universe multiverse
deb http://mirror.lupaworld.com/ubuntu/archive/ dapper-updates main restricted universe multiverse
deb http://mirror.lupaworld.com/ubuntu/archive/ dapper-backports main restricted universe multiverse
deb http://mirror.lupaworld.com/ubuntu/ubuntu-cn/ dapper main restricted universe multiverse


#deb http://ubuntu.cn99.com/ubuntu/ breezy main restricted universe multiverse
#deb http://ubuntu.cn99.com/ubuntu/ breezy-updates main restricted universe multiverse
#deb http://ubuntu.cn99.com/ubuntu/ breezy-security main restricted universe multiverse
#deb http://ubuntu.cn99.com/ubuntu/ breezy-backports main restricted universe multiverse
#deb http://ubuntu.cn99.com/ubuntu-cn/ breezy main restricted universe multiverse


deb http://ubuntu.cn99.com/ubuntu-cn/ dapper main restricted universe multiverse


sudo apt-get update
404 Not Found
错误 http://archive.ubuntu.org.cn dapper/restricted Packages
404 Not Found
错误 http://archive.ubuntu.org.cn dapper/universe Packages
404 Not Found
错误 http://archive.ubuntu.org.cn dapper/multiverse Packages
404 Not Found
错误 http://archive.ubuntu.org.cn dapper-security/main Packages
404 Not Found
错误 http://archive.ubuntu.org.cn dapper-security/restricted Packages
404 Not Found
错误 http://archive.ubuntu.org.cn dapper-security/universe Packages
404 Not Found
错误 http://archive.ubuntu.org.cn dapper-security/multiverse Packages
404 Not Found
错误 http://archive.ubuntu.org.cn dapper-updates/main Packages
404 Not Found
错误 http://archive.ubuntu.org.cn dapper-updates/restricted Packages
404 Not Found
错误 http://archive.ubuntu.org.cn dapper-updates/universe Packages
404 Not Found
错误 http://archive.ubuntu.org.cn dapper-updates/multiverse Packages
404 Not Found
错误 http://archive.ubuntu.org.cn dapper-backports/main Packages
404 Not Found
错误 http://archive.ubuntu.org.cn dapper-backports/restricted Packages
404 Not Found
错误 http://archive.ubuntu.org.cn dapper-backports/universe Packages
404 Not Found
错误 http://archive.ubuntu.org.cn dapper-backports/multiverse Packages
404 Not Found
错误 http://archive.ubuntu.org.cn dapper/main Packages
404 Not Found
错误 http://archive.ubuntu.org.cn dapper/restricted Packages
404 Not Found
错误 http://archive.ubuntu.org.cn dapper/universe Packages
404 Not Found
错误 http://archive.ubuntu.org.cn dapper/multiverse Packages
404 Not Found
获取：5 http://mirror.lupaworld.com dapper Release.gpg [189B]
获取：6 http://mirror.lupaworld.com dapper-security Release.gpg [189B]
获取：7 http://mirror.lupaworld.com dapper-updates Release.gpg [189B]
获取：8 http://mirror.lupaworld.com dapper-backports Release.gpg [189B]
忽略 http://mirror.lupaworld.com dapper Release.gpg
命中 http://mirror.lupaworld.com dapper Release
命中 http://mirror.lupaworld.com dapper-security Release
命中 http://mirror.lupaworld.com dapper-updates Release
命中 http://mirror.lupaworld.com dapper-backports Release
忽略 http://mirror.lupaworld.com dapper Release
命中 http://mirror.lupaworld.com dapper/main Packages
命中 http://mirror.lupaworld.com dapper/restricted Packages
命中 http://mirror.lupaworld.com dapper/universe Packages
命中 http://mirror.lupaworld.com dapper/multiverse Packages
命中 http://mirror.lupaworld.com dapper-security/main Packages
命中 http://mirror.lupaworld.com dapper-security/restricted Packages
命中 http://mirror.lupaworld.com dapper-security/universe Packages
命中 http://mirror.lupaworld.com dapper-security/multiverse Packages
忽略 http://mirror.lupaworld.com dapper/main Packages
忽略 http://mirror.lupaworld.com dapper/restricted Packages
忽略 http://mirror.lupaworld.com dapper/universe Packages
忽略 http://mirror.lupaworld.com dapper/multiverse Packages
命中 http://mirror.lupaworld.com dapper-updates/main Packages
命中 http://mirror.lupaworld.com dapper-updates/restricted Packages
命中 http://mirror.lupaworld.com dapper-updates/universe Packages
命中 http://mirror.lupaworld.com dapper-updates/multiverse Packages
命中 http://mirror.lupaworld.com dapper-backports/main Packages
命中 http://mirror.lupaworld.com dapper-backports/restricted Packages
命中 http://mirror.lupaworld.com dapper-backports/universe Packages
命中 http://mirror.lupaworld.com dapper-backports/multiverse Packages
命中 http://mirror.lupaworld.com dapper/main Packages
命中 http://mirror.lupaworld.com dapper/restricted Packages
命中 http://mirror.lupaworld.com dapper/universe Packages
命中 http://mirror.lupaworld.com dapper/multiverse Packages
下载 8B，耗时 5s (2B/s)
无法下载 http://archive.ubuntu.org.cn/ubuntu/dis ... ackages.gz 404 Not Found
无法下载 http://archive.ubuntu.org.cn/ubuntu/dis ... ackages.gz 404 Not Found
无法下载 http://archive.ubuntu.org.cn/ubuntu/dis ... ackages.gz 404 Not Found
无法下载 http://archive.ubuntu.org.cn/ubuntu/dis ... ackages.gz 404 Not Found
无法下载 http://archive.ubuntu.org.cn/ubuntu/dis ... ackages.gz 404 Not Found
无法下载 http://archive.ubuntu.org.cn/ubuntu/dis ... ackages.gz 404 Not Found
无法下载 http://archive.ubuntu.org.cn/ubuntu/dis ... ackages.gz 404 Not Found
无法下载 http://archive.ubuntu.org.cn/ubuntu/dis ... ackages.gz 404 Not Found
无法下载 http://archive.ubuntu.org.cn/ubuntu/dis ... ackages.gz 404 Not Found
无法下载 http://archive.ubuntu.org.cn/ubuntu/dis ... ackages.gz 404 Not Found
无法下载 http://archive.ubuntu.org.cn/ubuntu/dis ... ackages.gz 404 Not Found
无法下载 http://archive.ubuntu.org.cn/ubuntu/dis ... ackages.gz 404 Not Found
无法下载 http://archive.ubuntu.org.cn/ubuntu/dis ... ackages.gz 404 Not Found
无法下载 http://archive.ubuntu.org.cn/ubuntu/dis ... ackages.gz 404 Not Found
无法下载 http://archive.ubuntu.org.cn/ubuntu/dis ... ackages.gz 404 Not Found
无法下载 http://archive.ubuntu.org.cn/ubuntu/dis ... ackages.gz 404 Not Found
无法下载 http://archive.ubuntu.org.cn/ubuntu-cn/ ... ackages.gz 404 Not Found
无法下载 http://archive.ubuntu.org.cn/ubuntu-cn/ ... ackages.gz 404 Not Found
无法下载 http://archive.ubuntu.org.cn/ubuntu-cn/ ... ackages.gz 404 Not Found
无法下载 http://archive.ubuntu.org.cn/ubuntu-cn/ ... ackages.gz 404 Not Found
正在读取软件包列表... 完成
E: 有一些索引文件不能下载，它们可能被忽略了，也可能转而使用了旧的索引文件。
有7个更新，但是不能下载

[猛将兄]

deb http://security.ubuntu.com/ubuntu/ dapper-security main restricted universe multiverse
deb http://archive.ubuntu.com/ubuntu/ dapper-updates main restricted universe multiverse
deb http://archive.ubuntu.com/ubuntu/ dapper-backports main restricted universe multiverse
deb http://archive.ubuntu.com/ubuntu/ dapper main restricted universe multiverse

速度200KB/s，上海电信ADSL 2M包月

[eexpress]

http://archive.ubuntu.org.cn似乎废了的。

[lzhh]

deb http://cncmirror.vmmatrix.net/ubuntu/dapper-backports main multiverse restricted universe
deb http://cncmirror.vmmatrix.net/ubuntu/dapper-proposed main multiverse restricted universe
deb http://cncmirror.vmmatrix.net/ubuntu/dapper-security main multiverse restricted universe
deb http://cncmirror.vmmatrix.net/ubuntu/dapper-updates main multiverse restricted universe
deb http://cncmirror.vmmatrix.net/ubuntu/dapper main multiverse restricted universe

deb http://mirror.vmmatrix.net/ubuntu/dapper-backports main multiverse restricted universe
deb http://mirror.vmmatrix.net/ubuntu/dapper-proposed main multiverse restricted universe
deb http://mirror.vmmatrix.net/ubuntu/dapper-security main multiverse restricted universe
deb http://mirror.vmmatrix.net/ubuntu/dapper-updates main multiverse restricted universe
deb http://mirror.vmmatrix.net/ubuntu/dapper main multiverse restricted universe

deb http://dxmirror.vmmatrix.net/ubuntu/dapper-backports main multiverse restricted universe
deb http://dxmirror.vmmatrix.net/ubuntu/dapper-proposed main multiverse restricted universe
deb http://dxmirror.vmmatrix.net/ubuntu/dapper-security main multiverse restricted universe
deb http://dxmirror.vmmatrix.net/ubuntu/dapper-updates main multiverse restricted universe
deb http://dxmirror.vmmatrix.net/ubuntu/dapper main multiverse restricted universe