The application for housing fair coupons has been passed, but there has been no SMS notification.

If your application for housing transaction voucher has been approved, but you haven't received the SMS, the following situations may occur:

1. system delay: when there are a large number of applicants during the peak period, the system may be delayed. You can wait patiently for a while, or check whether you have received the relevant notice by other means, such as email.

2. Wrong mobile phone number: If you fill in the wrong mobile phone number when applying, you may not receive the SMS. You can log on to the relevant website or contact the organizer to confirm whether your mobile phone number is correct.

3. SMS service failure: If there is nothing wrong with your mobile phone number, but you still haven't received the SMS, it may be caused by SMS service failure. You can contact the organizer or relevant institutions, or try to change other mobile phones for testing.

In short, if you have any questions about the use of coupons, you can contact the organizer or relevant institutions for consultation.