Temu 0.10 to 0.59 then expired

Temu 0.10 to 0.59 Then Expired

I won 1 gift Nov 11-19 but lost 6 gifts. I invited 15 people, reached 0.10 then Temu changed to 0.59 then expired. I used data for nothing. Support gave only 20% discount. This is ****. I want coupon or credit for 6 gifts lost.