Preperation:
ISO: debian-live-7.6.0-amd64-lxde-desktop.iso
Software source:
#163 software list
deb http://mirrors.163.com/debian wheezy main non-free contrib
deb http://mirrors.163.com/debian wheezy-proposed-updates main contrib non-free
deb-src http://mirrors.163.com/debian wheezy main non-free contrib
deb-src http://mirrors.163.com/debian wheezy-proposed-updates main contrib non-free
deb http://mirrors.163.com/debian-security wheezy/updates main contrib non-free
deb-src http://mirrors.163.com/debian-security wheezy/updates main contrib non-free
deb http://ftp.cn.debian.org/debian/ wheezy main contrib non-free
deb-src http://ftp.cn.debian.org/debian/ wheezy main contrib non-free
deb http://ftp.cn.debian.org/debian/ wheezy-proposed-updates main contrib non-free
deb-src http://ftp.cn.debian.org/debian/ wheezy-proposed-updates main contrib non-free
deb http://ftp.cn.debian.org/debian/ wheezy-backports main contrib non-free
deb-src http://ftp.cn.debian.org/debian/ wheezy-backports main contrib non-free
# debian security updates
deb http://security.debian.org/ wheezy/updates main contrib non-free
deb-src http://security.debian.org/ wheezy/updates main contrib non-free
# multi media
deb http://deb-multimedia.org wheezy main non-free
Terminal:
sudo leafpad /etc/apt/sources.list
#you can edit the configuration file for software source list.
Then
aptitude update
#update synaptic package tool
#Install the fcitx
synaptic package search the fcitx.you can see some about fcitx,libpinyin is needed.