vi /etc/sysconfig/i18n

LANG="en_US.UTF-8"
SUPPORTED="en_US.UTF-8:en_US:en"
SYSFONT="latarcyrheb-sun16"

source /etc/sysconfig/i18n
以及

export LC_ALL=zh_CN.UTF-8
export LANG=zh_CN.UTF-8

screen 退出重新进