返回list的接口改成返回空集合

abi-cloud-qr-platform-server/src/main/java/com/abi/qms/platform/service/impl/QrBoxMappingServiceImpl.java

@@ -265,8 +265,8 @@ public class QrBoxMappingServiceImpl implements QrBoxMappingService {
     @Override
     public List<QrBoxExportProperty> downloadExcelData(ListQrBoxCodeMappingExportReq req) {
         List<QrBoxMappingVO> qrBoxMappingVOList = qrBoxMappingMapper.listQrBoxCodeMapping(req);
+        List<QrBoxExportProperty> qrBoxExportProperties = new ArrayList<>();
         if(CollectionUtils.isNotEmpty(qrBoxMappingVOList)){
-            List<QrBoxExportProperty> qrBoxExportProperties = new ArrayList<>();
             for (QrBoxMappingVO qrBoxMappingVO:qrBoxMappingVOList) {
                 QrBoxExportProperty qrBoxExportProperty = PojoConverterUtils.copy(qrBoxMappingVO, QrBoxExportProperty.class);
                 if(InvalidEnum.INVALID.is(qrBoxMappingVO.getInvalid())){
@@ -280,9 +280,8 @@ public class QrBoxMappingServiceImpl implements QrBoxMappingService {
                 }
                 qrBoxExportProperties.add(qrBoxExportProperty);
             }
-            return qrBoxExportProperties;
         }
-        return null;
+        return qrBoxExportProperties;
     }
 
     /**