@小鱼 $ sudo apt update
Hit:1 https://download.docker.com/linux/ubuntu jammy InRelease
Ign:2 http://packages.ros.org/ros/ubuntu jammy InRelease
Err:3 http://packages.ros.org/ros/ubuntu jammy Release
404 Not Found [IP: 64.50.233.100 80]
Hit:4 https://packages.microsoft.com/repos/code stable InRelease
Hit:5 http://security.ubuntu.com/ubuntu jammy-security InRelease
Hit:6 http://ca.archive.ubuntu.com/ubuntu jammy InRelease
Hit:7 http://archive.ubuntu.com/ubuntu jammy InRelease
Hit:8 http://ca.archive.ubuntu.com/ubuntu jammy-updates InRelease
Hit:9 http://ca.archive.ubuntu.com/ubuntu jammy-backports InRelease
Hit:10 http://apt.puppet.com jammy InRelease
Reading package lists... Done
E: The repository 'http://packages.ros.org/ros/ubuntu jammy 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.
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