代码： 全选
apt-get update请问该怎么解决呢？谢谢大家了~~忽略 http://cn.archive.ubuntu.com dapper Release.gpg
忽略 http://security.ubuntu.com dapper-security Release.gpg
忽略 http://mirror.net9.org dapper Release.gpg
忽略 http://cn.archive.ubuntu.com dapper-updates Release.gpg
忽略 http://mirror.net9.org dapper-backports Release.gpg
忽略 http://security.ubuntu.com dapper-security Release
忽略 http://mirror.net9.org dapper-proposed Release.gpg
忽略 http://cn.archive.ubuntu.com dapper Release
忽略 http://security.ubuntu.com dapper-security/main Packages
忽略 http://mirror.net9.org dapper-security Release.gpg
忽略 http://cn.archive.ubuntu.com dapper-updates Release
忽略 http://security.ubuntu.com dapper-security/restricted Packages
忽略 http://mirror.net9.org dapper-updates Release.gpg
忽略 http://cn.archive.ubuntu.com dapper/main Packages
忽略 http://security.ubuntu.com dapper-security/main Sources
忽略 http://mirror.net9.org dapper Release.gpg
忽略 http://cn.archive.ubuntu.com dapper/restricted Packages
忽略 http://security.ubuntu.com dapper-security/restricted Sources
忽略 http://mirror.net9.org dapper Release
忽略 http://cn.archive.ubuntu.com dapper/main Sources
错误 http://security.ubuntu.com dapper-security/main Packages
404 Not Found
忽略 http://mirror.net9.org dapper-backports Release
忽略 http://cn.archive.ubuntu.com dapper/restricted Sources
错误 http://security.ubuntu.com dapper-security/restricted Packages
404 Not Found
忽略 http://mirror.net9.org dapper-proposed Release
忽略 http://cn.archive.ubuntu.com dapper-updates/main Packages
错误 http://security.ubuntu.com dapper-security/main Sources
404 Not Found
忽略 http://mirror.net9.org dapper-security Release
忽略 http://cn.archive.ubuntu.com dapper-updates/restricted Packages
错误 http://security.ubuntu.com dapper-security/restricted Sources
404 Not Found
忽略 http://mirror.net9.org dapper-updates Release
忽略 http://cn.archive.ubuntu.com dapper-updates/main Sources
忽略 http://mirror.net9.org dapper Release
忽略 http://cn.archive.ubuntu.com dapper-updates/restricted Sources
忽略 http://mirror.net9.org dapper/main Packages
错误 http://cn.archive.ubuntu.com dapper/main Packages
404 Not Found
忽略 http://mirror.net9.org dapper/multiverse Packages
错误 http://cn.archive.ubuntu.com dapper/restricted Packages
404 Not Found
忽略 http://mirror.net9.org dapper/restricted Packages
错误 http://cn.archive.ubuntu.com dapper/main Sources
404 Not Found
忽略 http://mirror.net9.org dapper/universe Packages
错误 http://cn.archive.ubuntu.com dapper/restricted Sources
404 Not Found
忽略 http://mirror.net9.org dapper-backports/main Packages
错误 http://cn.archive.ubuntu.com dapper-updates/main Packages
404 Not Found
忽略 http://mirror.net9.org dapper-backports/multiverse Packages
错误 http://cn.archive.ubuntu.com dapper-updates/restricted Packages
404 Not Found
忽略 http://mirror.net9.org dapper-backports/restricted Packages
错误 http://cn.archive.ubuntu.com dapper-updates/main Sources
404 Not Found
忽略 http://mirror.net9.org dapper-backports/universe Packages
错误 http://cn.archive.ubuntu.com dapper-updates/restricted Sources
404 Not Found
忽略 http://mirror.net9.org dapper-proposed/main Packages
忽略 http://mirror.net9.org dapper-proposed/multiverse Packages
忽略 http://mirror.net9.org dapper-proposed/restricted Packages
忽略 http://mirror.net9.org dapper-proposed/universe Packages
忽略 http://mirror.net9.org dapper-security/main Packages
忽略 http://mirror.net9.org dapper-security/multiverse Packages
忽略 http://mirror.net9.org dapper-security/restricted Packages
忽略 http://mirror.net9.org dapper-security/universe Packages
忽略 http://mirror.net9.org dapper-updates/main Packages
忽略 http://mirror.net9.org dapper-updates/multiverse Packages
忽略 http://mirror.net9.org dapper-updates/restricted Packages
忽略 http://mirror.net9.org dapper-updates/universe Packages
忽略 http://mirror.net9.org dapper/main Packages
忽略 http://mirror.net9.org dapper/multiverse Packages
忽略 http://mirror.net9.org dapper/restricted Packages
忽略 http://mirror.net9.org dapper/universe Packages
错误 http://mirror.net9.org dapper/main Packages
404 Not Found
错误 http://mirror.net9.org dapper/multiverse Packages
404 Not Found
错误 http://mirror.net9.org dapper/restricted Packages
404 Not Found
错误 http://mirror.net9.org dapper/universe Packages
404 Not Found
错误 http://mirror.net9.org dapper-backports/main Packages
404 Not Found
错误 http://mirror.net9.org dapper-backports/multiverse Packages
404 Not Found
错误 http://mirror.net9.org dapper-backports/restricted Packages
404 Not Found
错误 http://mirror.net9.org dapper-backports/universe Packages
404 Not Found
错误 http://mirror.net9.org dapper-proposed/main Packages
404 Not Found
错误 http://mirror.net9.org dapper-proposed/multiverse Packages
404 Not Found
错误 http://mirror.net9.org dapper-proposed/restricted Packages
404 Not Found
错误 http://mirror.net9.org dapper-proposed/universe Packages
404 Not Found
错误 http://mirror.net9.org dapper-security/main Packages
404 Not Found
错误 http://mirror.net9.org dapper-security/multiverse Packages
404 Not Found
错误 http://mirror.net9.org dapper-security/restricted Packages
404 Not Found
错误 http://mirror.net9.org dapper-security/universe Packages
404 Not Found
错误 http://mirror.net9.org dapper-updates/main Packages
404 Not Found
错误 http://mirror.net9.org dapper-updates/multiverse Packages
404 Not Found
错误 http://mirror.net9.org dapper-updates/restricted Packages
404 Not Found
错误 http://mirror.net9.org dapper-updates/universe Packages
404 Not Found
错误 http://mirror.net9.org dapper/main Packages
404 Not Found
错误 http://mirror.net9.org dapper/multiverse Packages
404 Not Found
错误 http://mirror.net9.org dapper/restricted Packages
404 Not Found
错误 http://mirror.net9.org dapper/universe Packages
404 Not Found
无法下载 http://security.ubuntu.com/ubuntu/dists ... ackages.gz 404 Not Found
无法下载 http://security.ubuntu.com/ubuntu/dists ... ackages.gz 404 Not Found
无法下载 http://cn.archive.ubuntu.com/ubuntu/dis ... ackages.gz 404 Not Found
无法下载 http://security.ubuntu.com/ubuntu/dists ... Sources.gz 404 Not Found
无法下载 http://cn.archive.ubuntu.com/ubuntu/dis ... ackages.gz 404 Not Found
无法下载 http://security.ubuntu.com/ubuntu/dists ... Sources.gz 404 Not Found
无法下载 http://cn.archive.ubuntu.com/ubuntu/dis ... Sources.gz 404 Not Found
无法下载 http://cn.archive.ubuntu.com/ubuntu/dis ... Sources.gz 404 Not Found
无法下载 http://cn.archive.ubuntu.com/ubuntu/dis ... ackages.gz 404 Not Found
无法下载 http://cn.archive.ubuntu.com/ubuntu/dis ... ackages.gz 404 Not Found
无法下载 http://cn.archive.ubuntu.com/ubuntu/dis ... Sources.gz 404 Not Found
无法下载 http://cn.archive.ubuntu.com/ubuntu/dis ... Sources.gz 404 Not Found
无法下载 http://mirror.net9.org/ubuntu/dists/dap ... ackages.gz 404 Not Found
无法下载 http://mirror.net9.org/ubuntu/dists/dap ... ackages.gz 404 Not Found
无法下载 http://mirror.net9.org/ubuntu/dists/dap ... ackages.gz 404 Not Found
无法下载 http://mirror.net9.org/ubuntu/dists/dap ... ackages.gz 404 Not Found
无法下载 http://mirror.net9.org/ubuntu/dists/dap ... ackages.gz 404 Not Found
无法下载 http://mirror.net9.org/ubuntu/dists/dap ... ackages.gz 404 Not Found
无法下载 http://mirror.net9.org/ubuntu/dists/dap ... ackages.gz 404 Not Found
无法下载 http://mirror.net9.org/ubuntu/dists/dap ... ackages.gz 404 Not Found
无法下载 http://mirror.net9.org/ubuntu/dists/dap ... ackages.gz 404 Not Found
无法下载 http://mirror.net9.org/ubuntu/dists/dap ... ackages.gz 404 Not Found
无法下载 http://mirror.net9.org/ubuntu/dists/dap ... ackages.gz 404 Not Found
无法下载 http://mirror.net9.org/ubuntu/dists/dap ... ackages.gz 404 Not Found
无法下载 http://mirror.net9.org/ubuntu/dists/dap ... ackages.gz 404 Not Found
无法下载 http://mirror.net9.org/ubuntu/dists/dap ... ackages.gz 404 Not Found
无法下载 http://mirror.net9.org/ubuntu/dists/dap ... ackages.gz 404 Not Found
无法下载 http://mirror.net9.org/ubuntu/dists/dap ... ackages.gz 404 Not Found
无法下载 http://mirror.net9.org/ubuntu/dists/dap ... ackages.gz 404 Not Found
无法下载 http://mirror.net9.org/ubuntu/dists/dap ... ackages.gz 404 Not Found
无法下载 http://mirror.net9.org/ubuntu/dists/dap ... ackages.gz 404 Not Found
无法下载 http://mirror.net9.org/ubuntu/dists/dap ... ackages.gz 404 Not Found
无法下载 http://mirror.net9.org/ubuntu-cn/dists/ ... ackages.gz 404 Not Found
无法下载 http://mirror.net9.org/ubuntu-cn/dists/ ... ackages.gz 404 Not Found
无法下载 http://mirror.net9.org/ubuntu-cn/dists/ ... ackages.gz 404 Not Found
无法下载 http://mirror.net9.org/ubuntu-cn/dists/ ... 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。