What is the identity of Su Xun, a linen fortuneteller?

Su Xun, a linen physiognomist, came as a Feng Shui master. Ma Yi's physiognomy is a mystery novel. Li Beidou, the hero, is a Feng Shui master. When he showed his guests Feng Shui again, he met Su Xun. At that time, Su Xun was in trouble, and Li Beidou helped him solve it. Over time, they became familiar with it.