Why does Liu Yong's calligraphy take the word Shi 'an?

Liu Yong wrote the word Shi 'an in calligraphy, which was his number. According to relevant public information, the meanings of Chinese characters and numbers in ancient names: Chinese characters, also known as ideographs, are aliases related to the meanings given to their real names by ancient China people. No. is another name, which can be divided into self-number, gift number, posthumous title and posthumous title according to the source. Liu Yong's calligraphy is an important position of calligraphy in Qing Dynasty. His calligraphy looks very different from the ancients, with essence and hidden flavor. He was called "Four Great Writers" together with Weng Fanggang, Liang.