先在在終端輸入sudo gedit /etc/apt/sources.list
把裏面的源，換成以下：
deb http://archive.ubuntu.com/ubuntu/
gutsy main restricted universe multiverse
deb http://archive.ubuntu.com/ubuntu/
gutsy-security main restricted universe multiverse
deb http://archive.ubuntu.com/ubuntu/
gutsy-updates main restricted universe multiverse
deb http://archive.ubuntu.com/ubuntu/
gutsy-proposed main restricted universe multiverse
deb http://archive.ubuntu.com/ubuntu/
gutsy-backports main restricted universe multiverse
deb-src http://archive.ubuntu.com/ubuntu/
gutsy main restricted universe multiverse
deb-src http://archive.ubuntu.com/ubuntu/
gutsy-security main restricted universe multiverse
deb-src http://archive.ubuntu.com/ubuntu/
gutsy-updates main restricted universe multiverse
deb-src http://archive.ubuntu.com/ubuntu/
gutsy-proposed main restricted universe multiverse
deb-src http://archive.ubuntu.com/ubuntu/
gutsy-backports main restricted universe multiverse
deb http://ubuntu.cn99.com/ubuntu/
gutsy main restricted universe multiverse
deb http://ubuntu.cn99.com/ubuntu/
gutsy-security main restricted universe multiverse
deb http://ubuntu.cn99.com/ubuntu/
gutsy-updates main restricted universe multiverse
deb http://ubuntu.cn99.com/ubuntu/
gutsy-proposed main restricted universe multiverse
deb http://ubuntu.cn99.com/ubuntu/
gutsy-backports main restricted universe multiverse
deb-src http://ubuntu.cn99.com/ubuntu/
gutsy main restricted universe multiverse
deb-src http://ubuntu.cn99.com/ubuntu/
gutsy-security main restricted universe multiverse
deb-src http://ubuntu.cn99.com/ubuntu/
gutsy-updates main restricted universe multiverse
deb-src http://ubuntu.cn99.com/ubuntu/
gutsy-proposed main restricted universe multiverse
deb-src http://ubuntu.cn99.com/ubuntu/
gutsy-backports main restricted universe multiverse
deb http://ubuntu.cn99.com/ubuntu-cn/
gutsy main restricted universe multiverse
然後再在終端輸入sudo apt-get dist-upgrade
然後 在 system->administration->language support 選 擇安裝語言 .....然後 我 等 了 好久才 裝 完 .要 半個 小時.