Does the subject want to ask "Why didn't Guagualong update Enlightenment"? Rectification and upgrading. Guagualong is an educational brand owned by ByteDance. If it is not updated, it will be rectified and upgraded. Guagualong Enlightenment provides multi-disciplinary online systematic AI enlightenment for children aged 2- 12, including Guagualong English, Guagualong thinking and Guagualong Chinese.