Lincense Expired Date

Dear Zoom,

I have a premium account, my account expired date is Sep 16 2023, and i have been paid for the extension period on Sep 6 2023, i think when i paid the extension period my account will be extended to 16 Sep 2024, but i checked my account my expired date is 6 Sep 2024, pls advice why did my expired date no 16 sep 2024? event i paid the invoice in 6 september 2023 

thank you