The main content meant that the plot of the novel had to be complete without any gaps or pauses. Usually, the plot of a novel was composed of a series of events and scenes. These events and scenes needed to be interconnected to form a complete story line. If the story is incomplete, the reader may feel confused and disappointed and lose interest in the novel. The main content also involved the theme and values of the novel. The theme and values of a novel were usually conveyed through the plot and the characters 'personalities. If the storyline lacks relevant topics and values, the reader may feel that it lacks depth and meaning. Therefore, the author of a novel would try to keep the plot as complete as possible and ensure that the actions and decisions of the characters and scenes were consistent with the entire story line. This would allow the readers to better understand the plot and theme of the novel and enhance the readers 'reading ability and appeal.