add: 详情展示耳机变更类型

yanxuan-qc-change-system-biz/src/main/java/com/netease/mail/yanxuan/change/biz/biz/ChangeFlowBiz.java

@@ -601,7 +601,7 @@ public class ChangeFlowBiz {
         changeFlowVO.setId(changeRecord.getId());
         changeFlowVO.setFlowId(changeRecord.getFlowId());
         changeFlowVO.setParentChangeClassId(changeRecord.getParentChangeClassId());
-        changeFlowVO.setSonChangeClassId(changeFlowVO.getSonChangeClassId());
+        changeFlowVO.setSonChangeClassId(changeRecord.getSonChangeClassId());
         changeFlowVO.setChangeSubject(changeRecord.getChangeSubject());
         ChangeType parentChangeType = changeTypeService.getChangeTypeById(changeRecord.getParentChangeClassId());
         if (parentChangeType == null) {