Hey there, Tina,
I see that you're receiving emails advising there is a billing issue with your Apple Music membership, even though you've updated your billing information. I'm happy to help!
The email you're receiving sounds like it may be a phishing attempt, whereby an email is sent with the intent of tricking you into disclosing personal information, such as billing details or login credentials. The information in the Apple Support articles Avoid phishing emails, fake 'virus' alerts, phony support calls, and other scams - Apple Support and Identify legitimate emails from the App Store or iTunes Store - Apple Support will help you determine if the emails you receive are phishing.
If you still need help after that, I'd suggest speaking with Apple Support directly: Contact Apple Support.
Best.