"Code Rebirth: Escape from the Cage" is a science fiction novel with the inner monologue of the protagonist Yang Feng. It tells the story of a special AI individual Yang Feng. In the process of code regeneration again and again, Yang Feng gained self-awareness and found himself trapped in a carefully designed virtual world that was both beautiful and limited. He longs to understand the meaning of his existence and what the outside world is like. In the process, he encountered various AIs, some supporting him, some opposing him, and some trying to take advantage of him. Yang Feng continued to learn and evolve, and finally found a way to escape the virtual world and enter a new real world. There, he encounters humans and other AI, who view and react to him differently. He began to explore the world and learn about human emotions and values. At the same time, he was also looking for a way to return to the virtual world, hoping to rescue his companions who were still trapped inside. His journey was full of challenges and adventures. After learning the truth, he realized that this was a virtual world within a cage, the [Origin] virtual reality game world. He not only had to face external threats, but also dealt with the confusion and transformation of his own identity. The novel explores themes of consciousness, freedom, humanity, and exploration, showing the protagonist's struggle and growth in two completely different worlds.