Was Yanxi Strategy adapted from a novel?

Yanxi Strategy was a TV series based on a novel called " Yanxi Strategy." The novel was written in the Qing Dynasty and described a woman's experience in the court of the Qing Dynasty and her emotional entanglements with the emperor, empress, and others. In the TV series, the novel was adapted into a palace drama and some fictional plots were added to enhance the drama and entertainment of the TV series.