|  | @@ -35,8 +35,8 @@ public class RankStrategy4Density extends RankService {
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				|  |  |      @Override
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				|  |  |      public RankResult mergeAndSort(RankParam param, List<Video> rovVideos, List<Video> flowVideos) {
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				|  |  |  
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				|  |  | -         //1 兜底策略,rov池子不足时,用冷启池填补。直接返回。
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				|  |  | -        if (CollectionUtils.isEmpty(rovVideos) || filterRules == null || filterRules.isEmpty()) {
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				|  |  | +        //1 兜底策略,rov池子不足时,用冷启池填补。直接返回。
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				|  |  | +        if (CollectionUtils.isEmpty(rovVideos)) {
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				|  |  |              if (param.getSize() < flowVideos.size()) {
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				|  |  |                  return new RankResult(flowVideos.subList(0, param.getSize()));
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				|  |  |              } else {
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