zhcon安装错误提示（why？）

flaash

zhcon安装错误提示（why？）
在7。3下面安装，tar--make install
然后zhcon,
出现一下的错误提示：
/dev/pts/1 is not real tty or vc. please exit current tty and try again

或是
/dev/pts/0 is not real tty or vc. please exit current tty and try again

这是怎么回事