Under normal circumstances, it was not allowed to privately adapt other people's works and publish their own works. This was an act that violated the intellectual property rights of others. Although in some cases, such as using someone else's novel as a source of inspiration or making some appropriate modifications to the novel, it was also illegal to publish an adaptation without the permission of the copyright owner. To adapt someone else's work in the literary world, one needed to obtain permission from the copyright owner. This way, not only could he avoid legal risks, but he could also ensure the uniqueness and creativity of his work. If you want to use other people's elements in your work, it's best to consult the copyright owner first and get their permission. Of course, in some cases, it may be legal to adapt someone else's work. For example, in the process of borrowing, translating, or adapting someone else's work, you have already obtained the authorization or approval of the copyright owner. However, under such circumstances, they also had to abide by the corresponding laws and ethics.