How did the true and false Monkey King in The Journey to the West's sequel come out?

The real the Monkey King is played by a six-year-old boy, while Liu Er's macaque is played by Ding Jian. Ding Jian is the the Monkey King in Magic Cell Phone, Lotus Lantern and Lotus Lantern Prequel. He is a famous Peking Opera actor and is good at monkey play. The the Monkey King he created is the closest to a six-year-old child in terms of body movements, demeanor and appearance, so he is a six-year-old child's body body double in the sequel to The Journey to the West, and he also plays the role of Hodexingjun in the episode of Soothing the Cowherd. You can search the shooting tidbits online. It's true that two people were fighting in the Monkey King's clothes. The photo with The Journey to the West's sequel martial arts director Cao Rong also shows that there are two the Monkey King on one left and one right; And director Ms. Yang Jie's book "Dare to Ask Where the Road Is" also mentions that "the fake Wukong Ding Jian in the sequel" is the original words in the book. Although it is only this sentence, it has also been confirmed by the director; An exclusive interview with the cast of "Lotus Lantern" also said that Ding Jian is the body body double of a six-year-old child. As for the close-up, of course, it was synthesized by computer in the later stage, and all the shots with a straight face were replaced by six-year-old children.