《元史·列传·卷九十四》
十月，皇上诏告孛罗帖木儿守冀宁，遣保保、殷兴祖、高脱因兼程到冀宁，孛罗帖木儿拒绝收容他们。
十月，诏孛罗帖木儿守冀宁，遣保保、殷兴祖、高脱因倍道趋之，守者不纳。
In the 10th month, the Emperor ordered Bolad-Temur to defend Jining. He sent Bao Bao, Yin Xingzu, and Gao Deqing to Jining post-haste, but Bolad-Temur refused to let them in.