info() {
    echo -e "STCAI-ISP-TINY 下载编程烧录软件"
    echo -e "非 root 用户需要将用户添加到 uucp 用户组:"
    echo -e "sudo gpasswd -a \$USER uucp"
}
post_install() {
    info
}
post_upgrade() {
    echo "deleting the stcai-isp-tiny bottle..."
    find /home -maxdepth 2 -name ".stcai-isp-tiny" -exec rm -rf {} \;
    info
}
pre_remove() {
    echo "deleting the stcai-isp-tiny bottle..."
    find /home -maxdepth 2 -name ".stcai-isp-tiny" -exec rm -rf {} \;
}