ubuntu change system language

imeadmin@imeadmin:~$sudo vim /etc/default/locale
English environment:
LANG=en_US.UTF-8
LANGUAGE="en_US:en"
Chinese environment:
LANG=zh_CN.UTF-8
LANGUAGE="zh_CN:zh"

Finished Reboot after reboot

------------------- When logging in remotely ---------------------- ubuntu 14.04 server Chinese is displayed as a question mark --------------------------------
solution:
sudo apt-get install language-pack-zh-hans
--------------------------------------
------------ Chinese can be displayed remotely, but Chinese is displayed as a diamond on the server----------------------------------- --------------------
solution:
---------------------------- -------------------------------------------------- ----------------------------------------