Does the nail school charge for arranging intelligent homework?

The intelligent homework is arranged in the nail school, the parents of the students charge, and the teachers, leaders and platforms of the school benefit. Judging from the relevant public information, most platforms are free after the epidemic, and parents are charged 100 yuan, which is obviously for teachers. The basic function of nailing is free, and customization is charged. Ordinary enterprises can use it for free, and the charging items mainly need cost price. The income from nailing is mainly resource integration. For example, other third-party OA or other management systems need to pay the third party.