尝试安装gvim：
soid@ubuntu:~$ sudo aptitude install vim-gnome
Reading package lists... Done
Building dependency tree
Reading state information... Done
Reading extended state information
Initializing package states... Done
Writing extended state information... Done
The following NEW packages will be installed:
gvfs{a} gvfs-backends{a} indicator-application{a} libappindicator0{a} libbonoboui2-0{a} libdbusmenu-gtk1{a} libgail18{a} libglade2-0{a} libgnome2-0{a}
libgnomecanvas2-0{a} libgnomeui-0{a} libgtk2.0-0{a} libgtk2.0-bin{a} libgtk2.0-common{a} libindicator0{a} libsoup-gnome2.4-1{a} libsoup2.4-1{a}
policykit-1-gnome{a} vim-gnome
0 packages upgraded, 19 newly installed, 0 to remove and 17 not upgraded.
Need to get 4,083kB/6,907kB of archives. After unpacking 41.5MB will be used.
Do you want to continue? [Y/n/?] Y
Writing extended state information... Done
Err http://us.archive.ubuntu.com/ubuntu/ lucid-updates/main libgtk2.0-common 2.20.1-0ubuntu1
404 Not Found [IP: 91.189.88.30 80]
Err http://us.archive.ubuntu.com/ubuntu/ lucid-updates/main libgtk2.0-0 2.20.1-0ubuntu1
404 Not Found [IP: 91.189.88.30 80]
Err http://us.archive.ubuntu.com/ubuntu/ lucid-updates/main libsoup2.4-1 2.30.1-0ubuntu1
404 Not Found [IP: 91.189.88.30 80]
Err http://us.archive.ubuntu.com/ubuntu/ lucid-updates/main libsoup-gnome2.4-1 2.30.1-0ubuntu1
404 Not Found [IP: 91.189.88.30 80]
Err http://us.archive.ubuntu.com/ubuntu/ lucid-updates/main libgail18 2.20.1-0ubuntu1
404 Not Found [IP: 91.189.88.30 80]
Err http://us.archive.ubuntu.com/ubuntu/ lucid-updates/main libgtk2.0-bin 2.20.1-0ubuntu1
404 Not Found [IP: 91.189.88.30 80]
E: Failed to fetch http://us.archive.ubuntu.com/ubuntu/pool/main/g/gtk+2.0/libgtk2.0-common_2.20.1-0ubuntu1_all.deb: 404 Not Found [IP: 91.189.88.30 80]
我已经在其他镜像上检查了ubuntu / pool / main / g / gtk + 2.0 / libgtk2.0-common_2.20.1-0ubuntu1_all.deb，但是它在任何地方都不存在。我怎么能越过呢？