Updation Error - Please help me to resolve

Some index files failed to download please help with the issue:confused::confused::rolleyes:┌──(vhack㉿kali)-[~]
└─$ sudo apt-get update
Ign:1 http://ftp.harukasan.org/kali kali-rolling InRelease
Ign:1 http://ftp.harukasan.org/kali kali-rolling InRelease
Ign:1 http://ftp.harukasan.org/kali kali-rolling InRelease
Err:1 http://ftp.harukasan.org/kali kali-rolling InRelease
Could not connect to ftp.harukasan.org:80 (127.42.0.4). - connect (111: Connection refused) Cannot initiate the connection to ftp.harukasan.org:80 (2001:db8::42:1). - connect (101: Network is unreachable) Could not connect to ftp.harukasan.org:80 (127.42.0.3). - connect (111: Connection refused) Could not connect to ftp.harukasan.org:80 (127.42.0.2). - connect (111: Connection refused) Could not connect to ftp.harukasan.org:80 (127.42.0.1). - connect (111: Connection refused)
Reading package lists... Done
W: Failed to fetch http://http.kali.org/kali/dists/kali-rolling/InRelease Could not connect to ftp.harukasan.org:80 (127.42.0.4). - connect (111: Connection refused) Cannot initiate the connection to ftp.harukasan.org:80 (2001:db8::42:1). - connect (101: Network is unreachable) Could not connect to ftp.harukasan.org:80 (127.42.0.3). - connect (111: Connection refused) Could not connect to ftp.harukasan.org:80 (127.42.0.2). - connect (111: Connection refused) Could not connect to ftp.harukasan.org:80 (127.42.0.1). - connect (111: Connection refused)
W: Some index files failed to download. They have been ignored, or old ones used instead.

┌──(vhack㉿kali)-[~]
└─$ sudo apt-get upgrade
Reading package lists... Done
Building dependency tree
Reading state information... Done
Calculating upgrade... Done
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.

┌──(vhack㉿kali)-[~]
└─$ apt-get update
Reading package lists... Done
E: Could not open lock file /var/lib/apt/lists/lock - open (13: Permission denied)
E: Unable to lock directory /var/lib/apt/lists/
W: Problem unlinking the file /var/cache/apt/pkgcache.bin - RemoveCaches (13: Permission denied)
W: Problem unlinking the file /var/cache/apt/srcpkgcache.bin - RemoveCaches (13: Permission denied)