<aside> 💡 推薦下面這篇英文,有詳細原理說明
</aside>
Git Detached Head: What This Means and How to Recover
【冷知識】斷頭(detached HEAD)是怎麼一回事? - 為你自己學 Git | 高見龍
淺入 Git:detached HEAD
Git HEAD detached from XXX 解决