git pull 报错：unable to update local ref的处理方法

 
error: cannot lock ref 'refs/remotes/origin/XXXX': 
 is at 8dsee322487239983495846677964jfdwevf471d but expected 8dsee322487239983495846677964jfdwevf471d
From 192.168.8.8:project/branch
 ! 8dsee322..dwevf471d  XXX -> origin/XXXX  (unable to update local ref)
 

处理方法

git gc --prune=now
git remote prune origin
git pull