Will there be a short message reminder when the enterprise flash letter is about to expire?

The enterprise flash message used is a cable broadband service for the dormitory of enterprise employees. At present, we have three pre-expiration reminder rules for non-time guaranteed users: 1) 30 days before the annual package expires, when the customer goes online, the client will pop up a reminder; 2) Before the half-year subscription expires 15 days, when the customer goes online, the client will pop up a reminder; 3) 7 days before the quarterly subscription expires, when the customer goes online, the client will pop up a reminder; Click on "official website" Customer Service 2 17 below for more service offers.