Is it my uncle's job to dip my nephew in wine in Leshan, Sichuan?

My uncle didn't do it for my nephew in Leshan, Sichuan. Staying in the wine is a wedding banquet. According to different local customs, an engagement ceremony was held in Sichuan before marriage, and everyone was invited to drink engagement wine together. The night before the wedding, family members should invite their relatives and friends to eat wine dipped in flowers, which also means celebrating and increasing happiness. You can't go to the wedding reception after marriage. My uncle wants to prepare a red envelope for my nephew.