《魏书·帝纪·卷七》
闰七月二十三日，亲到虎圈，亲自登记囚犯，罪轻之人都予赦免。
闰月丁亥，幸虎圈，亲录囚徒，轻者皆免之。
The 23rd day of the intercalary July: Personally went to the tiger cage to register the prisoners himself, pardoning those who had committed minor crimes.