Merge branch 'feature_gufengshou_20240515_video_ad_thompson' into test

ad-engine-service/src/main/java/com/tzld/piaoquan/ad/engine/service/score/impl/RankServiceImpl.java

@@ -196,6 +196,7 @@ public class RankServiceImpl implements RankService {
         Map<Long, AdRankItem> cache=adCreativeFeatureContainer.getAll(new ArrayList<>(groupMap.keySet()));
         List<AdRankItem> rankItems=Collections.emptyList();
         if(!cache.isEmpty()){
+            rankItems=new LinkedList<>();
             for (AdRankItem value : cache.values()) {
                 value.setVideoId(request.getVideoId());
                 rankItems.add(value);