diff --git a/casic-metering-service/src/main/java/com/casic/missiles/service/Impl/business/BusinessCertificatePrintServiceImpl.java b/casic-metering-service/src/main/java/com/casic/missiles/service/Impl/business/BusinessCertificatePrintServiceImpl.java
index 7443e5d..2aef3c0 100644
--- a/casic-metering-service/src/main/java/com/casic/missiles/service/Impl/business/BusinessCertificatePrintServiceImpl.java
+++ b/casic-metering-service/src/main/java/com/casic/missiles/service/Impl/business/BusinessCertificatePrintServiceImpl.java
@@ -1,6 +1,8 @@
 package com.casic.missiles.service.Impl.business;
 
+import cn.hutool.core.collection.CollectionUtil;
 import cn.hutool.core.lang.Assert;
+import cn.hutool.core.stream.CollectorUtil;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
 import com.casic.missiles.core.base.service.IBaseExportService;
@@ -187,6 +189,9 @@
                     businessKeys = baseApprovalService.getPassedList(request.getFormId());
                     break;
             }
+            if (CollectionUtil.isEmpty(businessKeys)) {
+                businessKeys = null;
+            }
             approvalList = this.baseMapper.selectBatchForApprovalList(page, request, businessKeys);
         }
         List<Map<String, String>> staffList = this.baseMapper.getMeterStaffList();