我只是被提示更新哦，我的zsh，但是当我尝试这样做时，出现了以下错误：
Updating Oh My Zsh
error: cannot pull with rebase: You have unstaged changes.
error: object file .git/objects/40/fafe0f59371d1a9d83b83c614acfd1d740aabb is empty
error: object file .git/objects/40/fafe0f59371d1a9d83b83c614acfd1d740aabb is empty
fatal: loose object 40fafe0f59371d1a9d83b83c614acfd1d740aabb (stored in .git/objects/40/fafe0f59371d1a9d83b83c614acfd1d740aabb) is corrupt
任何人都知道该怎么办？找不到任何东西