He Wei, vice chairman of the Chinese Hard Pen Calligraphers Association, said that the words "loyalty, filial piety, etiquette and justice" appearing in "Golden Armor" are full of spirit and are closer to Wang Xizhi's running calligraphy style, and should be written by a calligrapher. He also revealed that there are indeed people in the calligraphy circle who guest star as "pen substitutes" in movies and TV series, mostly in movies. "Usually it's a pat on the back, not on the hands, but on the head. However, now artists like Chen Baoguo and Zhao Benshan have practiced calligraphy, and there are also artists who practice calligraphy specifically for filming, so there are fewer and fewer people doing this." He Wei also revealed In the calligraphy circle, the remuneration for "pen replacement" is basically 1,000 yuan to 3,000 yuan per day. In order to save money, well-known calligraphers are generally not hired.