场景：远程代码有更新，自己也有更新，本地代码rebase后，push到了远程服务器，此时发现远程代码有错，想要重回之前commit版本，虽然现在看来commit已经续到了项目的尾部，但是不影响回退到你想要的版本。
- 项目文件夹执行：git reflog
00f12de HEAD@{0}: rebase finished: returning
00f12de HEAD@{1}: rebase: scan
d4560a6 HEAD@{2}: rebase: checkout
4c173eb HEAD@{3}: commit: scan
543cc83 HEAD@{4}: checkout: moving
543cc83 HEAD@{5}: merge ccdev: Fast-forward
43d2cb3 HEAD@{6}: checkout: moving
543cc83 HEAD@{7}: rebase finished: returning
543cc83 HEAD@{8}: rebase: scanner
bfe289c HEAD@{9}: rebase: completed
4772b51 HEAD@{10}: rebase: apply ip_validitor.patch
9728ed6 HEAD@{11}: rebase: lan
e4e6076 HEAD@{12}: rebase: wifi
779640c HEAD@{13}: rebase: wifi
2d2dd99 HEAD@{14}: rebase: wifipanel
845c78e HEAD@{15}: rebase: checkout
a07ee98 HEAD@{16}: commit: scanner
708d7f9 HEAD@{17}: commit (amend): completed
e619024 HEAD@{18}: commit (amend): completed
bab49c9 HEAD@{19}: commit: completed
6b44cc9 HEAD@{20}: rebase finished: returning
6b44cc9 HEAD@{21}: rebase: apply ip_validitor.patch
848275a HEAD@{22}: rebase: lan
- 找到提交前的项目编号，例如4c173eb HEAD@{3}: commit: scan ，执行：git reset --hard 4c173eb
