Who is Chang Lao Shi, a geomantic doctor?

The geomantic omen doctor is always a god. According to the relevant public information, in the novel geomantic omen, Chang Lao-shih is a celestial being, who secretly saves the male and female roles from human suffering. The geomantic doctor is a serial novel on the Internet. The author is anonymous and tells the love story of Pi Jianqing and Zhu Xunuo.