当我检查更新时，出现“无法下载存储库信息”错误。
这是详细信息下的内容：
W: Failed to fetch gzip:/var/lib/apt/lists/partial/us.archive.ubuntu.com_ubuntu_dists_natty_main_source_Sources Hash Sum mismatch,
E: Some index files failed to download. They have been ignored, or old ones used instead.
Here's what I keep getting when I sudo apt update
Hit:1 http://archive.canonical.com/ubuntu xenial InRelease
Ign:2 http://dl.google.com/linux/chrome/deb stable InRelease
Get:3 http://security.ubuntu.com/ubuntu xenial-security InRelease [102 kB]
Hit:4 http://dl.google.com/linux/chrome/deb stable Release
Hit:5 http://ppa.launchpad.net/gnome3-team/gnome3-staging/ubuntu xenial InRelease
Hit:6 http://ppa.launchpad.net/gnome3-team/gnome3/ubuntu xenial InRelease
Hit:7 http://eg.archive.ubuntu.com/ubuntu xenial InRelease
Hit:8 http://ppa.launchpad.net/linrunner/tlp/ubuntu xenial InRelease
Get:9 http://eg.archive.ubuntu.com/ubuntu xenial-updates InRelease [102 kB]
Hit:10 http://ppa.launchpad.net/nilarimogard/webupd8/ubuntu xenial InRelease
Hit:12 http://ppa.launchpad.net/openjdk-r/ppa/ubuntu xenial InRelease
Hit:13 http://ppa.launchpad.net/plushuang-tw/uget-stable/ubuntu xenial InRelease
Hit:14 http://ppa.launchpad.net/ubuntu-desktop/gnome-software/ubuntu xenial InRelease
Get:15 http://eg.archive.ubuntu.com/ubuntu xenial-backports InRelease [102 kB]
Hit:16 http://ppa.launchpad.net/ubuntu-desktop/ubuntu-make/ubuntu xenial InRelease
Hit:17 http://ppa.launchpad.net/webupd8team/y-ppa-manager/ubuntu xenial InRelease …