Greetings guys!

I uninstalled NGINX, and installed OLS, but got a mistake:

Loading...
sort: cannot read: ping.pl: No such file or directory
--2022-04-11 10:02:44-- https://node.aapanel.com/install/0/openlitespeed.sh
Resolving node.aapanel.com (node.aapanel.com)... 172.67.171.7, 104.21.79.196, 2606:4700:3031::6815:4fc4, ...
Connecting to node.aapanel.com (node.aapanel.com)|172.67.171.7|:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: 23300 (23K) [application/octet-stream]
Saving to: ‘openlitespeed.sh’

 0K .......... .......... ..                              100% 8.27M=0.003s

2022-04-11 10:02:45 (8.27 MB/s) - ‘openlitespeed.sh’ saved [23300/23300]

--2022-04-11 10:02:45-- http://download.bt.cn/install/public.sh
Resolving download.bt.cn (download.bt.cn)... 103.224.251.67
Connecting to download.bt.cn (download.bt.cn)|103.224.251.67|:80... failed: Connection timed out.
Retrying.

--2022-04-11 10:03:16-- (try: 2) http://download.bt.cn/install/public.sh
Connecting to download.bt.cn (download.bt.cn)|103.224.251.67|:80... failed: Connection timed out.
Retrying.

--2022-04-11 10:03:48-- (try: 3) http://download.bt.cn/install/public.sh

Can you tell me what to do to install OLS?