现在debian9没法更新了吗

[email protected]:~# apt-get update -y
Ign:1 http://cdn-fastly.deb.debian.org/debian stretch InRelease
Ign:2 http://cdn-fastly.deb.debian.org/debian stretch-updates InRelease
Ign:3 http://cdn-fastly.deb.debian.org/debian stretch-backports InRelease
Ign:4 http://cdn-fastly.deb.debian.org/debian-security stretch/updates InRelease
Err:5 http://cdn-fastly.deb.debian.org/debian stretch Release
  404  Not Found [IP: 2a04:4e42:87::644 80]
Err:6 http://cdn-fastly.deb.debian.org/debian stretch-updates Release
  404  Not Found [IP: 2a04:4e42:87::644 80]
Err:7 http://cdn-fastly.deb.debian.org/debian stretch-backports Release
  404  Not Found [IP: 2a04:4e42:87::644 80]
Err:8 http://cdn-fastly.deb.debian.org/debian-security stretch/updates Release
  404  Not Found [IP: 2a04:4e42:87::644 80]
Reading package lists… Done
E: The repository ‘http://cdn-fastly.deb.debian.org/debian stretch Release’ does no longer have a Release file.
N: Updating from such a repository can’t be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
E: The repository ‘http://cdn-fastly.deb.debian.org/debian stretch-updates Release’ does no longer have a Release file.
N: Updating from such a repository can’t be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
E: The repository ‘http://cdn-fastly.deb.debian.org/debian stretch-backports Release’ does no longer have a Release file.
N: Updating from such a repository can’t be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.

这一堆404报错不看？

谢谢大佬，已解决

https://bobqu.cyou/2023/05/08/131.html