W: Failed to fetch https://dl.khadas.com/repos/vim1/dists/focal/InRelease Could not connect to dl.khadas.com:443 (126.96.36.199). - connect (111: Connection refused)
W: Some index files failed to download. They have been ignored, or old ones used instead.
root@Khadas:~/pyapp# uname -a
Linux Khadas 4.9.241 #3 SMP PREEMPT Fri Apr 30 09:07:25 CST 2021 aarch64 aarch64 aarch64 GNU/Linux