There are several ways to cancel the auto-registration on the novel reading app Red Sleeves: 1. Manual un-feed: Open the Hong Xiu novel APP and enter the "My" page to find the "Submit" column to cancel the novels that have been automatically pre-ordered or manually select the novels that you want to cancel the pre-order. 2. Contact customer service: If you are unable to cancel the auto-purchase, you can contact the customer service of Hongxiu novels to explain the situation. The customer service staff will provide the corresponding help and support to help cancel the auto-purchase. It should be noted that after canceling the automatic feed, the feed status will be reset, and the novel that was automatically fed will become invalid and need to be re-fed. In addition, different novel reading apps may have different ways to cancel the automatic purchase. It is recommended to check the specific operation instructions of the relevant app.