1. World view in advance: "Qing Lan" points out the Taoist background and forms a causal relationship with "Hua Hua" (Qing Lan takes a blood oath to protect flowers), which enhances the depth of the story; Lin Feng enters the world from a Taoist temple in the mountains and performs the final mission of "protecting Su Qing", but is involved in the struggle between campus dignitaries and family conspiracy.
