当从远程仓库拉取代码时：git pull

报错如下：

error: cannot lock ref 'refs/remotes/origin/innertag': is at 0440433ebbca6fc0a3dc041946346d004ae1d7ee but expected 98150e1dcad8640daa66b5499d6e234d71806a6e
From code.xxx.com:xchannel/xc-centre
 ! 98150e1d..7a2c45c5  innertag   -> origin/innertag  (unable to update local ref)
Please make sure you have the correct access rights
and the repository exists.

解决方法：

1，执行命令： git gc --prune=now

2，再执行：git remote prune origin

git gc --prune=now 

git remote prune origin

最后 git pull 即可正常执行