The novel circles appeared on the novel bookshelf of the uc mobile browser because the uc browser would automatically recommend the relevant novels that the user read and classify them into a specific novel circle. This circle might have been created by an author or by other novelists. The user could click on the name of a novel to enter the corresponding novel circle and browse the content of the novel in the circle. At the same time, based on the user's reading history and interests, the browser would recommend novel circles that might interest the user.