According to Wang Sengqian's "Book Title of Ancient Energy", "The book of Zhong You has three bodies: the book of Jinshi is the strangest; Second, the articles of association, secretary, primary school teacher; On the third day, I wrote a book, which was also heard by people. Hedong Weikaizi adopted Zhang Zhifa's method, participated in Kaifa's method, and even drafted it. The draft is also a book. " From the facts, running script, also known as running script, was originally developed from the signing of line drawing. Those who hear each other mean to believe.