读取Git数据失败git '--git-dir=/Users/dongzhao/Works/QCloud/Src/iOS/Git/QCloudiOSCodes/.git' '--work-tree=/Users/dongzhao/Works/QCloud/Src/iOS/Git/QCloudiOSCodes' ls-files '--stage' '' 2>&1:fatal: empty string is not a valid pathspec. please use . instead if you meant to match all paths