`DEPRECATION WARNING
This Linux distribution (debian stretch) reached end-of-life and is no longer supported by this script.
No updates or security fixes will be released for this distribution, and users are recommended
to upgrade to a currently maintained version of debian.
Press Ctrl+C now to abort this script, or wait for the installation to continue.
- sh -c 'apt-get update -qq >/dev/null'
E: 仓库 “http://apt.armbian.com stretch Release” 不再含有 Release 文件。
[FAILED] Installation failed, please try again.`
这是啥情况?