Jìn-period (3rd–4th c.) Yì jīng exegete. Author of the Zhōu Yì guà xù lùn 周易卦序論 (“Discussion of the Hexagram Sequence of the Zhōu Yì”), 1 juàn, now lost except for fragments preserved in Táng lèishū 類書 (notably Tàipíng yùlǎn 太平御覽 38, Chū xué jì 初學記 5) and reconstructed by 馬國翰 Mǎ Guóhàn under that title in Yùhán shānfáng jíyì shū 玉函山房輯佚書 (KR1a0173). The biographical record is minimal: the Suí shū·Jīng jí zhì 隋書經籍志 registers the work alongside other Jìn Yì compositions; nothing further is securely known of his life. No CBDB record at this date.