fixed exportPatent

src/main/java/com/example/xiaoshiweixinback/service/importPatent/EsPatentService.java

@@ -311,7 +311,7 @@ public class EsPatentService {
      */
     public List<PatentColumnDTO> selectPatent(SelectPatentDTO patentDTO, File file) throws Exception {
         List<PatentColumnDTO> columnDTOS = new ArrayList<>();
-        if (CollectionUtils.isEmpty(patentDTO.getAppNos())) {
+        if (!CollectionUtils.isEmpty(patentDTO.getAppNos())) {
             for (String appNo : patentDTO.getAppNos()) {
                 //获取专利的多张摘要附图
                 EsPictureNoDTO esPictureNoDTO = new EsPictureNoDTO();