TLS handshake successful but in the wrong domain. How to change to the correct domain?

Look like the error shows up because of the wrong domain. How I can change www.example.com domain to the www.correct-domain.com?

Please help me out, thanks in advance.

Log screenshot for a better view: https://i.hido.tech/Jz08Bp
Here is the log:
Reply: 220---------- Welcome to Pure-FTPd [privsep] [TLS] ----------
Reply: 220-You are user number 1 of 50 allowed.
Reply: 220-Local time is now 06:38. Server port: 21.
Reply: 220-IPv6 connections are also welcome on this server.
Reply: 220 You will be disconnected after 15 minutes of inactivity.
Command: CLNT https://ftptest.net on behalf of 104.59.238.121
Reply: 530 You aren’t logged in
Command: AUTH TLS
Reply: 234 AUTH TLS OK.
Status: Performing TLS handshake…
Status: TLS handshake successful, verifying certificate…
Status: Received 1 certificates from server.
Status: cert[0]: subject=‘C=US,ST=Denial,L=Springfield,O=Dis,CN=www.example.com’ issuer=‘C=US,ST=Denial,L=Springfield,O=Dis,CN=www.example.com
Command: USER admin_hieu
Error: Could not read from socket: Error in the pull function.

ls /etc/pure-ftpd

pure-ftpd.conf pureftpd-ldap.conf pureftpd-mysql.conf pureftpd-pgsql.conf

I see those files under pure-ftpd.