VFAT修改方法：https://www.ebaina.com/articles/140000004833
DISPLAY CLOCK :https://blog.csdn.net/davion_zhang/article/details/51694536
adjtimex https://blog.csdn.net/huaxi1902/article/details/8761763
adjtimex 使用https://www.cnblogs.com/muahao/p/6274930.html
adjtime 安装https://blog.csdn.net/wsclinux/article/details/50250885
工具下载https://www.rpmseek.com/rpm-pl/adjtimex.html?hl=com&cx=857:A:0
https://zhuanlan.zhihu.com/p/284060014