568增加优质老内容召回策略

recommend-server-service/src/main/java/com/tzld/piaoquan/recommend/server/service/rank/strategy/RankStrategy4RegionMergeModelV568.java

@@ -80,7 +80,7 @@ public class RankStrategy4RegionMergeModelV568 extends RankStrategy4RegionMergeM
         //-------------------return相似召回------------------
         List<Video> returnv2 = extractAndSort(param, ReturnVideoRecallStrategy.PUSH_FORM);
         returnv2 = returnv2.stream().filter(r -> !setVideo.contains(r.getVideoId())).collect(Collectors.toList());
-        returnv2 = returnv2.subList(0, Math.min(mergeWeight.getOrDefault("returnv2", 5.0).intValue(), v6.size()));
+        returnv2 = returnv2.subList(0, Math.min(mergeWeight.getOrDefault("returnv2", 5.0).intValue(), returnv2.size()));
         rovRecallRank.addAll(returnv2);
         setVideo.addAll(returnv2.stream().map(Video::getVideoId).collect(Collectors.toSet()));