The protagonist's surname was Dong, which was a relatively common surname. In the novel, Dong was a surname with rich historical and cultural heritage that could represent various characters and stories. The Dong surname had a long history that could be traced back to the Spring and Autumn Warring States Period of China more than 2,000 years ago. The ancestor of Dong was Dong Fu, a famous person in the State of Lu during the Spring and Autumn Period. It was said that Father Dong had once served as the prime minister of the Lu Kingdom and had made important contributions to the prosperity and development of the Lu Kingdom. In Chinese history, Dong had many famous people and excellent works. For example, the Tang Dynasty poet Bai Juyi was one of the representatives of the Dong surname. In addition, many outstanding politicians, businessmen, and scholars had emerged from the Dong family, such as Xin Qiji, a writer in the Song Dynasty, and Dong Zhongshu, a politician in the Ming Dynasty. In the novel creation, the character surnamed Dong could be shaped more deeply and three-dimensional so that readers could better understand and feel the inner world of this character. At the same time, it could also reflect the essence of Chinese traditional culture and values through Dong's character experiences and stories, bringing readers a deeper reading experience.