《资治通鉴·梁纪·梁纪十八》
于子悦扣押了袁君正，大肆掠夺该城百姓的财产、子女，东部的人都建起城堡抵抗他。
子悦执君正，掠夺财物、子女，东人皆立堡拒之。
Yu Ziyu detained Yuan Junzheng and plundered the property and children of the city's people. People in the east built a fort to resist him.