如何启动中文输入法

developing_T

我把机器的核心变成英文后就不能输入汉语了，后来我把界面改成汉语的，但是还是不能输入中文，我在终端中输入：chinput &
系统提示：
Chinput Version 3.0.2 -- XIM Server
Distributed under the terms of the GNU General Public License (GPL)
Following charsets:
0: -Sony-Fixed-Medium-R-Normal--16-120-100-100-C-80-ISO8859-1
1: -Sony-Fixed-Medium-R-Normal--16-120-100-100-C-80-ISO8859-1
2: -isas-fangsong ti-medium-r-normal--0-0-0-0-c-0-gb2312.1980-0
3: -sun-gothic-bold-r-normal--0-0-0-0-c-0-ksc5601.1987-0
/root/.pyinput/usrphrase.tab is not a valid pinyin phrase file.
Chinput ................................................[OK]

但还是不能启动中文输入法，这怎么解决？