1. su

input root pwd

2. apt-cache search scim

apt-get install scim

apt-cache search scim-pinyin

apt-get install scim-pinyin

3. reboot

4. check setting

1. su

input root pwd

2. add-apt-repository ppa:fcitx-team/nightly

apt-get update

apt-get upgrade

apt-get install fcitx

install sogou input method

http://packages.linuxdeepin.com/deepin/pool/non-free/f/fcitx-sogoupinyin-release/