-_-about changing input method

sailfar

I set the language as 'english(USA)',but after i logged in ,I found it's no use of 'ctrl+sapce' to change my inpout method into chinese.............
can somebody help me?...................
what shall i install,or how to set?
thanks in advance.

hew

英文环境下无中文输入法.

积木

难道那个scim也不可以？