我在分行master。结账到zc分行时，我被告知object file is empty。
$ git branch
demo
develop
* master
zc
$ git checkout zc
error: unable to find 00d2a5741d54116a156e477093c3fcf30b24c6b3
error: unable to read sha1 file of doc/build/html/_sources/props/buyhp.txt (00d2a5741d54116a156e477093c3fcf30b24c6b3)
error: object file .git/objects/ee/4fc9118d213089e959b1625405c4b835cd4af7 is empty
error: unable to find ee4fc9118d213089e959b1625405c4b835cd4af7
error: object file .git/objects/ee/4fc9118d213089e959b1625405c4b835cd4af7 is empty
fatal: loose object ee4fc9118d213089e959b1625405c4b835cd4af7 (stored in .git/objects/ee/4fc9118d213089e959b1625405c4b835cd4af7) is corrupt