1. In Tik Tok, users can get a penny shopping voucher, a penny red envelope and other rewards by participating in the new user registration reward activities. Users can also get the 8 yuan Universal Voucher by applying for the promotion code, and invite friends to use it. Every time a friend places an order, the user can get the welfare of 4.5 yuan. If you want to improve the repurchase rate, you can promote the next day's activities to your friends, and so on.