Hi otantikevimvip,
Thanks for reaching to us.
Try to do the following to update the theme:
1. Go to Dashboard -> WoodMart -> Theme License and deactivate the theme.
2. Go to Dashboard -> Updates and click on Check Again.
3. Activate the theme with your purchase code again.
4. Go to Dashboard -> Updates and click on Check Again.
5. Try to update the theme via Appearance -> Themes or via Dashboard -> Updates.
I highly recommend you to take a complete backup of your site before proceeding.
https://xtemos.com/docs-topic/update-the-theme/
Regards,