What is the evolution process of Zhouyi?

Classics often talk about the evolution of Zhouyi as follows:

The Book of Changes in Classic Dialogue tells the evolution of the Book of Changes according to historical changes. Gossip is often used to ward off evil spirits among people and to predict bad luck based on past knowledge. Ordinary divination uses five elements to generate grams. But to make a detailed calculation, you need Yin and Yang teachers and gossip teachers. The classic about the five elements is Shangshu Hongfan, and the classic about gossip is Zhouyi.

According to gossip, it was painted by Fuxi. There is also a legend that the dragon horse was sent to Fuxi with gossip on its back, and Fuxi drew it according to it. This is called "river map". Hong Fan also records that when Dayu was in charge of water control, he got a gift from a turtle's back in Luoshui, which is called Luoshu. It is also said that Fuxi was just a holy king in Confucian clothes during the Qin and Han Dynasties.

Zhouyi:

It is one of the traditional classics, which is said to have been written by Zhou Wenwang Jichang, and its contents include two parts: classics and biographies. Classics are mainly composed of 64 hexagrams and 384 hexagrams, each of which has its own interpretation (hexagrams) for divination. It contains seven languages * * * and ten quatrains explaining hexagrams, which are collectively called "Ten Wings" and are said to have been written by Confucius.

Zhouyi is the theoretical source of natural philosophy and humanistic practice in China's traditional ideology and culture, the crystallization of China's ancient thoughts and wisdom, and is known as the "source of Tao". The content is extremely rich, which has had a far-reaching impact on China's politics, economy, culture and other fields for thousands of years.