He then accused Zhang He and Gao Lan of not doing their best because they were planning to defect. After Zhang He and Gao Lan heard about it, they were so angry that they led their troops and defected to Cao Cao's side.
He subsequently accused Zhang He and Gao Lan of not performing adequately because they were contemplating abandoning their posts. Following this, upon learning about it, Zhang He and Gao Lan became enraged and led their forces to defect to Cao Cao's side.