At present, there is no scientific research result showing a high correlation between adult intelligence and infant intelligence. General intelligence measurement in infancy is only to identify those children who may have mental defects! It may be that your baby's development is relatively fast, and each child's development has some individual differences, so your baby's neurobiological foundation develops relatively fast, talking early and walking early! Sometimes it may be because some parents spend a lot of energy on their baby's talking and walking, so they walk and talk earlier than some children, and they will naturally learn earlier if they learn more, but this gap will gradually become less obvious as their children grow up! In addition, even intelligence only emphasizes academic success, not artistic or professional success. Looking forward to a high IQ score is not the same as success in future life! In fact, if you really want to estimate your baby's adult intelligence, it may be more reliable to look at your parents' intelligence level, which is highly heritable! The purpose of early education is to cultivate feelings, promote children's social development, form a good attachment relationship, and give children rich stimulation at the same time. It promotes the increase of neurons and the complexity of neural connections. Everything can go with the flow, and children must not be encouraged to ignore the objective laws such as the biological basis and cognitive stage of the nervous system!

References:

Feldman's developmental psychology, ninth edition