《北齐书·列传·卷三十七》
收后来病重的时候，担心自己死后嫡妾不谐，就放走了刘、崔二妾。
后病甚，恐身后嫡媵不平，乃放二姬。
Later, when Shou was seriously ill, worried that his wife and concubines would not be in harmony after his death, he set free his two concubines, Liu and Cui.