feat: 变更行动工单详情

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

@@ -604,8 +604,14 @@ public class ChangeSubFlowBiz {
         Long changeRecordId = subFlowRecord.getChangeRecordId();
         Long subFlowRecordId = subFlowRecord.getId();
 
-        // 调用主单的 detail 方法获取完整信息
-        ChangeFlowVO changeFlowVO = changeFlowBiz.detail(changeRecordId);
+        // 先根据 changeRecordId 查询主单，获取 flow_id
+        ChangeRecord mainRecord = changeRecordMapper.selectByPrimaryKey(changeRecordId);
+        if (mainRecord == null) {
+            throw ExceptionFactory.createBiz(ResponseCode.ERROR_FLOW_ID, "主工单不存在");
+        }
+        
+        // 调用主单的 detail 方法获取完整信息（传入 flow_id）
+        ChangeFlowVO changeFlowVO = changeFlowBiz.detail(mainRecord.getFlowId());
 
         // topoId：这是子单详情页面，需要设置为子单的 topoId
         changeFlowVO.setTopoId(ChangeFlowEnum.CHANGE_SUB_FLOW.getTopoId());