今天执行sudo apt update，出现如下提示。请问是应用商店更新源存在故障吗？怎样解决？

sh: 0: getcwd() failed: No such file or directory
sh: 0: getcwd() failed: No such file or directory
sh: 0: getcwd() failed: No such file or directory
sh: 0: getcwd() failed: No such file or directory
sh: 0: getcwd() failed: No such file or directory
sh: 0: getcwd() failed: No such file or directory
获取:1 https://d.store.deepinos.org.cn InRelease [1,524 B]
0% [正在等待报头] [已连接到 com-store-packages.uniontech.com (120.77.173.206)] [正在等待报头]sh: 0: getcwd() failed: No such file or directory
命中:3 https://dl.google.com/linux/chrome/deb stable InRelease
命中:4 https://community-packages.deepin.com/deepin apricot InRelease
命中:5 https://community-packages.deepin.com/driver driver InRelease
命中:2 https://home-store-img.uniontech.com/220620105212058/appstore deepin InRelease
命中:6 https://community-packages.deepin.com/printer eagle InRelease
已下载 1,524 B，耗时 1秒 (2,454 B/s)
正在读取软件包列表... 完成
正在分析软件包的依赖关系树
正在读取状态信息... 完成