能帮我看看吗
代码: 全选
下载 80.8kB,耗时 9s (8708B/s)
正在读取软件包列表... 完成
W: Duplicate sources.list entry http://ubuntu.cn99.com jaunty/multiverse Packages (/var/lib/apt/lists/ubuntu.cn99.com_ubuntu_dists_jaunty_multiverse_binary-amd64_Packages)
W: Duplicate sources.list entry http://ubuntu.cn99.com jaunty/multiverse Translation-zh_CN (/var/lib/apt/lists/ubuntu.cn99.com_ubuntu_dists_jaunty_multiverse_i18n_Translation-zh%5fCN)
W: Duplicate sources.list entry http://ubuntu.cn99.com jaunty/universe Packages (/var/lib/apt/lists/ubuntu.cn99.com_ubuntu_dists_jaunty_universe_binary-amd64_Packages)
W: Duplicate sources.list entry http://ubuntu.cn99.com jaunty/universe Translation-zh_CN (/var/lib/apt/lists/ubuntu.cn99.com_ubuntu_dists_jaunty_universe_i18n_Translation-zh%5fCN)
W: Duplicate sources.list entry http://ubuntu.cn99.com jaunty-updates/multiverse Packages (/var/lib/apt/lists/ubuntu.cn99.com_ubuntu_dists_jaunty-updates_multiverse_binary-amd64_Packages)
W: Duplicate sources.list entry http://ubuntu.cn99.com jaunty-updates/universe Packages (/var/lib/apt/lists/ubuntu.cn99.com_ubuntu_dists_jaunty-updates_universe_binary-amd64_Packages)
W: Duplicate sources.list entry http://ubuntu.cn99.com jaunty-security/multiverse Packages (/var/lib/apt/lists/ubuntu.cn99.com_ubuntu_dists_jaunty-security_multiverse_binary-amd64_Packages)
W: Duplicate sources.list entry http://ubuntu.cn99.com jaunty-security/universe Packages (/var/lib/apt/lists/ubuntu.cn99.com_ubuntu_dists_jaunty-security_universe_binary-amd64_Packages)
W: 您可能需要运行 apt-get update 来解决这些问题
这是怎么回事 勒