原文：
https://centos.pkgs.org/7/repoforge-x86_64/uni2ascii-4.18-1.el7.rf.x86_64.rpm.html
先下载： rpmforge-release
http://ftp.tu-chemnitz.de/pub/linux/dag/redhat/el7/en/x86_64/rpmforge/RPMS/
（http://ftp.tu-chemnitz.de/pub/linux/dag/redhat/el7/en/x86_64/rpmforge/RPMS/rpmforge-release-0.5.3-1.el7.rf.x86_64.rpm）
安装：rpmforge-release rpm:
# rpm -Uvh rpmforge-release*rpm
安装uni2ascii
Install uni2ascii rpm package:
# yum install uni2ascii
# echo ‘\u73af\u5883\uff0c\u800c’ | ascii2uni -a U -q
环境，而