git同步本地与远程代码命令
https://blog.youkuaiyun.com/gunahao/article/details/80315573
https://blog.youkuaiyun.com/weijinqian0/article/details/76217014
https://blog.youkuaiyun.com/zhangzeshan/article/details/81564990
http://blog.youkuaiyun.com/free_wind22/article/details/50967723
idea撤销本地库提交的内容方法
https://blog.youkuaiyun.com/qq_43639296/article/details/84031146