anyone help me am tring to install anbox

keep get this message wen installing anbox
anyone please guide me what to do


fist i did this

(root㉿kali)-[/snap/bin]
└─# sudo wget -O /etc/apt/trusted.gpg.d/zhsj.gpg https://ftp.ustclug.org/~zsj/anbox/zhsj.gpg
echo "deb [arch=amd64] https://ftp.ustclug.org/~zsj/anbox stretch main" |sudo tee /etc/apt/sources.list.d/anbox.list
sudo apt update && sudo apt install anbox
--2022-05-11 20:51:56-- https://ftp.ustclug.org/~zsj/anbox/zhsj.gpg
Resolving ftp.ustclug.org (ftp.ustclug.org)... 192.109.232.118, 2400:ddc0:1000::6417:bae0
Connecting to ftp.ustclug.org (ftp.ustclug.org)|192.109.232.118|:443... connected.
HTTP request sent, awaiting response... 301 Moved Permanently
Location: https://ftp.lug.ustc.edu.cn/~zsj/anbox/zhsj.gpg [following]
--2022-05-11 20:51:57-- https://ftp.lug.ustc.edu.cn/~zsj/anbox/zhsj.gpg
Resolving ftp.lug.ustc.edu.cn (ftp.lug.ustc.edu.cn)... 202.141.178.11
Connecting to ftp.lug.ustc.edu.cn (ftp.lug.ustc.edu.cn)|202.141.178.11|:443... connected.
HTTP request sent, awaiting response... 404 Not Found
2022-05-11 20:51:59 ERROR 404: Not Found.

deb [arch=amd64] https://ftp.ustclug.org/~zsj/anbox stretch main
Hit:1 http://kali.download/kali kali-last-snapshot InRelease
Hit:2 http://kali.download/kali kali-experimental InRelease
Hit:3 http://kali.download/kali kali-bleeding-edge InRelease
Ign:4 https://ftp.lug.ustc.edu.cn/~zsj/anbox stretch InRelease
Hit:5 https://archive-4.kali.org/kali kali-rolling InRelease
Err:6 https://ftp.lug.ustc.edu.cn/~zsj/anbox stretch Release
404 Not Found [IP: 202.141.178.11 443]
Reading package lists... Done
E: The repository 'https://ftp.ustclug.org/~zsj/anbox stretch 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.
W: Target Packages (main/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list:2
W: Target Packages (main/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list:2
W: Target Translations (main/i18n/Translation-en_US) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list:2
W: Target Translations (main/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list:2
W: Target DEP-11 (main/dep11/Components-amd64.yml) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list:2
W: Target DEP-11 (main/dep11/Components-all.yml) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list:2
W: Target DEP-11-icons-small (main/dep11/icons-48x48.tar) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list:2
W: Target DEP-11-icons (main/dep11/icons-64x64.tar) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list:2
W: Target Contents-deb (main/Contents-amd64) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list:2
W: Target Contents-deb (main/Contents-all) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list:2
W: Target Packages (contrib/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list:2
W: Target Packages (contrib/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list:2
W: Target Translations (contrib/i18n/Translation-en_US) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list:2
W: Target Translations (contrib/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list:2
W: Target DEP-11 (contrib/dep11/Components-amd64.yml) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list:2
W: Target DEP-11 (contrib/dep11/Components-all.yml) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list:2
W: Target DEP-11-icons-small (contrib/dep11/icons-48x48.tar) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list:2
W: Target DEP-11-icons (contrib/dep11/icons-64x64.tar) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list:2
W: Target Contents-deb (contrib/Contents-amd64) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list:2
W: Target Contents-deb (contrib/Contents-all) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list:2
W: Target Packages (non-free/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list:2
W: Target Packages (non-free/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list:2
W: Target Translations (non-free/i18n/Translation-en_US) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list:2
W: Target Translations (non-free/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list:2
W: Target DEP-11 (non-free/dep11/Components-amd64.yml) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list:2
W: Target DEP-11 (non-free/dep11/Components-all.yml) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list:2
W: Target DEP-11-icons-small (non-free/dep11/icons-48x48.tar) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list:2
W: Target DEP-11-icons (non-free/dep11/icons-64x64.tar) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list:2
W: Target Contents-deb (non-free/Contents-amd64) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list:2
W: Target Contents-deb (non-free/Contents-all) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list:2
W: Target Packages (main/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list:2
W: Target Packages (main/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list:2
W: Target Translations (main/i18n/Translation-en_US) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list:2
W: Target Translations (main/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list:2
W: Target DEP-11 (main/dep11/Components-amd64.yml) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list:2
W: Target DEP-11 (main/dep11/Components-all.yml) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list:2
W: Target DEP-11-icons-small (main/dep11/icons-48x48.tar) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list:2
W: Target DEP-11-icons (main/dep11/icons-64x64.tar) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list:2
W: Target Contents-deb (main/Contents-amd64) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list:2
W: Target Contents-deb (main/Contents-all) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list:2
W: Target Packages (contrib/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list:2
W: Target Packages (contrib/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list:2
W: Target Translations (contrib/i18n/Translation-en_US) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list:2
W: Target Translations (contrib/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list:2
W: Target DEP-11 (contrib/dep11/Components-amd64.yml) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list:2
W: Target DEP-11 (contrib/dep11/Components-all.yml) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list:2
W: Target DEP-11-icons-small (contrib/dep11/icons-48x48.tar) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list:2
W: Target DEP-11-icons (contrib/dep11/icons-64x64.tar) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list:2
W: Target Contents-deb (contrib/Contents-amd64) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list:2
W: Target Contents-deb (contrib/Contents-all) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list:2
W: Target Packages (non-free/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list:2
W: Target Packages (non-free/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list:2
W: Target Translations (non-free/i18n/Translation-en_US) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list:2
W: Target Translations (non-free/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list:2
W: Target DEP-11 (non-free/dep11/Components-amd64.yml) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list:2
W: Target DEP-11 (non-free/dep11/Components-all.yml) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list:2
W: Target DEP-11-icons-small (non-free/dep11/icons-48x48.tar) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list:2
W: Target DEP-11-icons (non-free/dep11/icons-64x64.tar) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list:2
W: Target Contents-deb (non-free/Contents-amd64) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list:2
W: Target Contents-deb (non-free/Contents-all) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list:2






then i tried updading


─(root㉿kali)-[/snap/bin]
└─# apt-get update
Hit:1 http://kali.download/kali kali-rolling InRelease
Hit:2 http://kali.download/kali kali-last-snapshot InRelease
Hit:3 http://kali.download/kali kali-experimental InRelease
Hit:5 http://kali.download/kali kali-bleeding-edge InRelease
Ign:4 https://ftp.lug.ustc.edu.cn/~zsj/anbox stretch InRelease
Err:6 https://ftp.lug.ustc.edu.cn/~zsj/anbox stretch Release
404 Not Found [IP: 202.141.178.11 443]
Reading package lists... Done
E: The repository 'https://ftp.ustclug.org/~zsj/anbox stretch 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.