What Should I Do If I Travel Through Time and Become the Licking Dog in My Own Book?

Li Nan wrote a book about a female protagonist and was about to write it to the end. After taking a nap, he found that he had traveled through time and space in his own book! The key is that he traveled through time and became the licking dog of the heroine in the book. In order to escape the fate of being licked and killed in the end, he became angry and walked out of his own way.