If you want to change someone else's novel, you can refer to the following steps: 1. Read the original novel to understand the plot, character, and background to provide the basis for subsequent modifications. 2. Make preliminary changes to the story, characters, and dialogue to make the novel more in line with your own ideas. 3. Carefully review and edit to eliminate grammar and spellings as much as possible to improve the story and character to make the novel smoother and easier to read. 4. Retouch and proofread to ensure the overall quality of the novel and to fix any potential loopholes and contradictions as much as possible. Finally, you can consider asking the author for feedback and suggestions to further improve the novel. Revising an excellent novel required patience and perseverance. It required constant revision and polishing until it achieved a satisfactory effect.