Can you share more info about your site and what problem you're seeing? There's not enough info here for anyone to be able to give a useful recommendation

can i send u my domain name in pm and then u check it? r u suport of vercel?

If you can share the domain here, then anyone with internet access can help you debug. Alternatively, you can do some DIY troubleshooting with these resources:

• https://vercel.com/docs/domains/troubleshooting

vercel.com

Troubleshooting domains

Learn about common reasons for domain misconfigurations and how to troubleshoot your domain on Vercel.

• https://vercel.com/kb/guide/cloudflare-with-vercel