1. Log in to the backstage of Pinduoduo merchants, select Store Management, and then select a new store.
2. Secondly, on the new store page, select a bookstore, fill in the store information and submit it for review.
3. Then, after approval, in the Store Management page, select Store Settings to open the Copyright Settings page.
4. Finally, on the copyright setting page, click Apply for Double Authorization, fill in the relevant information, and wait for the feedback to open the store.