我在 Ubuntu 22.04 LTS 上运行 sudo apt update 时收到以下错误消息
Hit:1 http://in.archive.ubuntu.com/ubuntu jammy InRelease
Hit:2 http://security.ubuntu.com/ubuntu jammy-security InRelease
Hit:3 http://in.archive.ubuntu.com/ubuntu jammy-updates InRelease
Ign:4 http://security.ubuntu.com/ubuntu impish-security InRelease
Hit:5 http://in.archive.ubuntu.com/ubuntu jammy-backports InRelease
Err:6 http://security.ubuntu.com/ubuntu impish-security Release
404 Not Found [IP: 2620:2d:4000:1::16 80]
Reading package lists... Done
E: The repository 'http://security.ubuntu.com/ubuntu impish-security Release' does not 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 …