fix:综合查询导出失败问题

src/main/java/com/biutag/supervision/service/NegativeTaskService.java

@@ -3,6 +3,7 @@ package com.biutag.supervision.service;
 import cn.hutool.core.bean.BeanUtil;
 import cn.hutool.core.collection.CollectionUtil;
 import cn.hutool.core.util.IdUtil;
+import cn.hutool.core.util.NumberUtil;
 import cn.hutool.core.util.StrUtil;
 import com.alibaba.excel.EasyExcel;
 import com.alibaba.excel.ExcelWriter;
@@ -205,8 +206,8 @@ public class NegativeTaskService extends ServiceImpl<NegativeTaskMapper, Negativ
 
                     blameVoList.add(blameVo);
                 }
-                vo.setFirstApproveTime(TimeUtil.getTimeoutStatus(item.getFirstApproveTime()));
-                vo.setSecondApprovalTime(TimeUtil.getTimeoutStatus(item.getSecondApprovalTime()));
+                vo.setFirstApproveTime(TimeUtil.getTimeoutStatus(NumberUtil.nullToZero(item.getFirstApproveTime())));
+                vo.setSecondApprovalTime(TimeUtil.getTimeoutStatus(NumberUtil.nullToZero(item.getSecondApprovalTime())));
                 return vo;
             }).toList();
         }