There is no difference. Jiedun and Zhidun are the names of the same person, and there are two ways to write them, because transliteration names have different ways to write them in different regions. Zhidun is a monster character in the Altman series, a biological weapon sent by Zhidun Star to invade the earth, and the first monster to defeat a generation in the Altman series. Used to be called invincible. Therefore, there is no difference between the boundary shield and the supporting shield, but the writing is different in different regions.