diff --git a/cf-module-system/cf-module-system-biz/src/main/java/com/cf/imes/module/system/dal/mysql/funds/advertisement/AdvertisementMapper.java b/cf-module-system/cf-module-system-biz/src/main/java/com/cf/imes/module/system/dal/mysql/funds/advertisement/AdvertisementMapper.java
index f5f8a9019..dbacd87eb 100644
--- a/cf-module-system/cf-module-system-biz/src/main/java/com/cf/imes/module/system/dal/mysql/funds/advertisement/AdvertisementMapper.java
+++ b/cf-module-system/cf-module-system-biz/src/main/java/com/cf/imes/module/system/dal/mysql/funds/advertisement/AdvertisementMapper.java
@@ -25,10 +25,14 @@ public interface AdvertisementMapper extends BaseMapperX<AdvertisementDO> {
 
     default PageResult<AdvertisementDO> selectPage(AdvertisementPageReqVO reqVO) {
 
-        List<Integer> adPosition = reqVO.getAdPosition().stream().sorted().distinct().toList();
+        List<Integer> adPosition = reqVO.getAdPosition();
+        String adPositionStr = null;
+        if(CollUtil.isNotEmpty(adPosition)) {
+            adPositionStr = CollUtil.join(adPosition.stream().sorted().distinct().toList(), ",");
+        }
         LambdaQueryWrapperX<AdvertisementDO> queryWrapper = new LambdaQueryWrapperX<AdvertisementDO>()
                 .likeIfPresent(AdvertisementDO::getAdName, reqVO.getAdName())
-                .likeIfPresent(AdvertisementDO::getAdPosition, CollUtil.isNotEmpty(adPosition) ? CollUtil.join(adPosition, ",") : null)
+                .likeIfPresent(AdvertisementDO::getAdPosition, adPositionStr)
                 .eqIfPresent(AdvertisementDO::getStatus, reqVO.getStatus())
                 .eqIfPresent(AdvertisementDO::getDeleted, false);