The Deer and Cauldron was a martial arts novel created by Mr. Jin Yong. It was widely spread and had many fans. As far as I know, The Deer and Cauldron has been modified by Mr. Jin Yong four times. The first revision was in 1969 when Mr. Jin Yong adapted his novel "The Deer and the Cauldron" into a TV series and broadcasted it in 1972. The changes were to better adapt to the television screen and add some new plots. The second revision was in 1984 when Mr. Jin Yong adapted his novel, The Deer and Cauldron, into a movie and released it worldwide. This change was to better adapt to the movie's narrative and add some new plots. The third revision was in 2011 when Mr. Jin Yong adapted his novel, The Deer and the Cauldron, into an audio book and launched it on multiple platforms. This change was to better adapt to the audio book's presentation and add some new plots. The fourth revision was in 2016 when Mr. Jin Yong adapted his novel, The Deer and Cauldron, into an online game and launched it on major social platforms. The changes were to better adapt to the game market and add some new plots.