[day0e]$ git commit -m "day03"
error: object file .git/objects/68/dded4d2f22acd7f1cc41236acda186c91e05ce is empty
error: object file .git/objects/68/dded4d2f22acd7f1cc41236acda186c91e05ce is empty
fatal: loose object 68dded4d2f22acd7f1cc41236acda186c91e05ce (stored in .git/objects/68/dded4d2f22acd7f1cc41236acda186c91e05ce) is corrupt
解决办法
find .git/objects/ -type f -empty | xargs rm
git fetch -p
git fsck