IVC-001W wifi inline fan not showing history

My IVC-001W inline fan has stopped showing history in the app. It was working fine yesterday but now it says no data. Also when I turned it off, the app said it was still online. Is there any fix for these issues.
Thanks

Hello,
Sorry for the delayed response due to a busy schedule.
This issue has been resolved through app optimization.
If you still experience issues, please email your country, phone model, and device ID to support@inkbird.com. The engineers will investigate further regarding this product.
As forum information is public, please do not reply here.
Thanks.