What is the secret of finding dragons?

Hu Bayi, Wang Kaixuan and Yang Ping became street vendors, looking for the secrets in the Millennium Tomb.

According to the query of Biqu Pavilion, in the novel "Searching for Dragons",

The Secret of Searching for Dragons tells the story of Hu Bayi, Wang Kaixuan and Yang Ping. They used to be gold-groping captains with infinite scenery, but now they have become street vendors, and they are chased all over the street by immigration authorities. Unexpectedly, when Ding Sitian, the first lover on the grassland, was still alive 20 years ago, he decided to step into the wilderness again and look for the secrets in the Millennium tomb. The writer is a diving squid.