|  | @@ -272,12 +272,12 @@ public class RecommendService {
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														|  |      private List<Video> videoRecommend(RecommendParam param) {
 |  |      private List<Video> videoRecommend(RecommendParam param) {
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														|  |          Stopwatch stopwatch = Stopwatch.createStarted();
 |  |          Stopwatch stopwatch = Stopwatch.createStarted();
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														|  |          RecallResult recallResult = recallService.recall(convertToRecallParam(param));
 |  |          RecallResult recallResult = recallService.recall(convertToRecallParam(param));
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														|  | -        log.info("recallResult={}, cost={}", recallResult, stopwatch.stop().elapsed(TimeUnit.MILLISECONDS));
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														|  | -        stopwatch.reset();
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														|  | 
 |  | +        log.info("recallResult={}, cost={}", recallResult, stopwatch.elapsed(TimeUnit.MILLISECONDS));
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														|  | 
 |  | +        stopwatch.reset().start();
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														|  |  
 |  |  
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														|  |          RankResult rankResult = rankService.rank(convertToRankParam(param, recallResult));
 |  |          RankResult rankResult = rankService.rank(convertToRankParam(param, recallResult));
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														|  |          log.info("rankResult={}, cost={}", rankResult, stopwatch.stop().elapsed(TimeUnit.MILLISECONDS));
 |  |          log.info("rankResult={}, cost={}", rankResult, stopwatch.stop().elapsed(TimeUnit.MILLISECONDS));
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														|  | -        stopwatch.reset();
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														|  | 
 |  | +
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														|  |  
 |  |  
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														|  |          if (rankResult == null || CollectionUtils.isEmpty(rankResult.getVideos())) {
 |  |          if (rankResult == null || CollectionUtils.isEmpty(rankResult.getVideos())) {
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														|  |              return Collections.emptyList();
 |  |              return Collections.emptyList();
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