Among the lyric poems of French knights in the Middle Ages, what is the most accomplished and widely spread poetry type?

Among the lyric poems of French knights in the Middle Ages, the most accomplished and widely circulated poem is Song of Dawn. Song of Dawn is a medieval knight's poem, which reflects the "elegant love" between a large number of knights and ladies, describes the scene of the separation of knights and ladies at dawn, affirms the pursuit of real life and happiness, and is an impact on Christian asceticism and the afterlife. Knight's lyric poetry pays attention to depicting psychological feelings, with rigorous meter, beautiful language and strong secularity, which has certain influence on the development of European poetry later.