保养单导出，保养记录没有停梯，恢梯时间问题兼容。

lift-business-service/src/main/java/cn/com/ty/lift/business/maintenance/service/MaintenanceRecordService.java

@@ -914,7 +914,8 @@ public class MaintenanceRecordService extends ServiceImpl<MaintenanceRecordMappe
                 registrationCode = StrUtil.isNotEmpty(registrationCode) ? registrationCode.replace(illegalChars, "-") : "[电梯注册代码]";
                 useCompanyCode = useCompanyCode != null ? useCompanyCode : "";
                 //保养单及图片文件夹 dir/i.ProjectName-RegistrationCode/
-                String imgDir = StrUtil.format("{}{}{}.{}-{}-{}{}", dir, File.separator, (i + 1), projectName, registrationCode, useCompanyCode, File.separator);
+                String imgDir = StrUtil.format("{}{}{}.{}-{}-", dir, File.separator, (i + 1), projectName, registrationCode);
+                imgDir += useCompanyCode + File.separator;
                 //生成维保图片
                 List<MtRecordImg> mtRecordImgs = mtRecordResponse.getMtRecordImgs();
                 List<MtRecordImg> imgs = mtRecordImgs.stream().filter(img -> mtRecordResponse.getId().equals(img.getMtRecordId())).collect(Collectors.toList());
@@ -953,8 +954,11 @@ public class MaintenanceRecordService extends ServiceImpl<MaintenanceRecordMappe
         if (entity == null) {
             throw new ValidateException("维保记录不存在");
         }
-        String repairDuration = this.getRepairDuration(entity.getRepairDiff());
-        entity.setRepairDuration(repairDuration);
+        if (entity.getRepairDiff() != null) {
+            String repairDuration = this.getRepairDuration(entity.getRepairDiff());
+            entity.setRepairDuration(repairDuration);
+        }
+        entity.setRepairDuration("");
         Validate.notNull(entity, ValuePool.MAINTENANCE_RECORD_NOT_EXIST);
         /**
          * 维保项id:0/1/2, 0:无需保养，1：已保养，2：需要更换