A great update is achieved on the basis of last-generation JMGO flagship products. In the earlier stage of product design, a large number of user and market surveys are conducted, wherein the surveys include analysis of products of the same price, user feedbacks of old-style products, target user interview, and the like. Then, defects of the products are analyzed, and a design direction of new-generation products is defined again, wherein on the basis of JMGO characteristics, a domestic appearance, creative material adoption and better interaction experience are integrated more briefly, and targets of optimizing the heat dissipation system and the sound system are set.