git commit 时发生：fatal: cannot lock HEAD ref

.git目次探析_.git文件在哪-CSDN博客

tree .git
.git
├── branches
├── COMMIT_EDITMSG
├── config
├── description
├── FETCH_HEAD
├── HEAD
├── hooks
│   ├── applypatch-msg.sample
│   ├── commit-msg.sample
│   ├── post-update.sample
│   ├── pre-applypatch.sample
│   ├── pre-commit.sample
│   ├── prepare-commit-msg.sample
│   ├── pre-push.sample
│   ├── pre-rebase.sample
│   └── update.sample
├── index
├── info
│   └── exclude
├── logs
│   ├── HEAD
│   └── refs
│       ├── heads
│       │   └── master
│       └── remotes
│           └── origin
│               ├── HEAD
│               └── master
├── objects
│   ├── 20
│   │   └── 09df8b4cfe6e3f52454a797f98fc8c4702b027
│   ├── 54
│   │   └── 62aa2cae447804af43de33fe9733aa9ecc72f1
│   ├── 79
│   │   └── 76e9dfb68da743c6afba79faa3f6896b3eed8d
│   ├── 85
│   │   └── b43aac342633cee7c8b688a832a2c2cbd27100
│   ├── a2
│   │   └── 64123ec938bdd8b096d0de5687119a97c33a3f
│   ├── b8
│   │   └── b5f6732221538898a6e7d322b6cf0e79af6cef
│   ├── c1
│   │   └── bbca2aee9440a84f19b5b799b01f416b175eb7
│   ├── e9
│   │   └── c9534486d968e1abf83ed09f6aef55529722f9
│   ├── f0
│   │   └── d251cc919c1996573bb7220e253e6235fc311f
│   ├── info
│   └── pack
│       ├── pack-0719dcc69c11e9cdd9d2e8bf89879ad76e97f79f.idx
│       └── pack-0719dcc69c11e9cdd9d2e8bf89879ad76e97f79f.pack
├── ORIG_HEAD
├── packed-refs
└── refs
    ├── heads
    │   └── master
    ├── remotes
    │   └── origin
    │       ├── HEAD
    │       └── master
    └── tags
25 directories, 36 files

根本缘故原由  .git 文件破坏
将之前的删除重新git clone 即可