无法更新，提示： 404 Not Found [IP: 95.143.48.181 443]

[baiwtd]

root@DietPi:~# curl -fsSL https://get.casaos.io/update/v0.4.3-alpha | sudo bash

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--- Made by IceWhale with YOU ---

• OK Your hardware architecture is : x86_64
  Hit:1 https://download.docker.com/linux/debian bookworm InRelease
  Hit:2 https://deb.debian.org/debian bookworm InRelease
  Hit:3 https://deb.debian.org/debian bookworm-updates InRelease
  Hit:4 https://deb.debian.org/debian-security bookworm-security InRelease
  Hit:5 https://deb.debian.org/debian bookworm-backports InRelease
  Ign:6 https://pkg.ltec.ch/public bookworm InRelease
  Err:7 https://pkg.ltec.ch/public bookworm Release
  404 Not Found [IP: 95.143.48.181 443]
  Reading package lists... Done
  E: The repository 'https://pkg.ltec.ch/public bookworm 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 configuration details.
  root@DietPi:~#