Is Liu a calligrapher?

Liu is a calligrapher. Judging from the artistic conception of calligraphy, official script belongs to static font, while running script belongs to dynamic font. If some strokes of running script are added to official script, the silence of official script will become more vivid and calligraphy will have vitality. Zhang Hai, a contemporary calligrapher, writes official script. He is good at adding more strokes to the official script and has an active temperament.