The 'sign in' status is not displayed, But it does not affect normal use.
If there is no pop-up window blocking the download, it means that the subscription has taken effect.
If there is a blockage, please follow the steps below to check:
1. As long as you see the email in billing management is the email used for payment, it means that the login is successful. At this time, just refresh the https://web.telegram.org/k page, no need to clear the browser cache https://sites.google.com/view/telegramvideodownloader/how-to-mange-subscription
2. If it still doesn't work, you can try disable/enable the extension at this address:
chrome://extensions/?id=lbfjfamhbgbaldijoohdfbdfkgmpdbni
3. Join our Telegram group, I will contact you further in a separate chat window.