Will there be SMS notification for refund?

Generally speaking, there is no such thing. But if it is set on the website, you can receive it. For example, there is a SMS reminder of successful communication in Ctrip system, and the refund will also be reminded.

No discount ticket refund:

If a refund is requested 24 hours before the scheduled departure time of the flight, the refund fee charged shall be determined by the airline itself, but the maximum refund fee shall not exceed10% of the ticket price; Refund tickets within 24 hours and 2 hours before the scheduled departure time of the flight will be charged a refund fee of 10% of the passenger fare; Refund the ticket within 2 hours after the flight leaves the station, and charge a refund fee of 20% of the passenger fare; Refund of tickets after the scheduled flight departure time will be treated as missed flight, and a refund fee of 50% of the passenger fare will be charged.

The price of special air tickets launched by airlines is lower, but there will be more restrictions on the policy of returning and signing.