Keep it. According to Youwen's information. Com, Song Jiang's black history refers to the story between Li Kui jy and Liang Shanbo, and the things that Song Jiang was called to save his life in difficult times. This story is widely circulated in literary works and has become one of the important plots in Water Margin, so this story should be preserved because it has made important contributions to the ancient literary classic Water Margin.