群晖 GitServer用户为空的解决办法
参考https://chaolucky.com/blog/12/03-927.html
sudo cp /var/packages/Git/target/webapi/SYNO.Git.lib /var/packages/Git/target/webapi/SYNO.Git.lib.bak
sudo vi /var/packages/Git/target/webapi/SYNO.Git.lib
删掉appPriv 之后的SYNO.SDS.GIT.Instance
保存退出