|  | @@ -37,7 +37,7 @@ public abstract class AbstractVideoRecallStrategy implements RecallStrategy {
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														|  |      public List<Video> recall(RecallParam param) {
 |  |      public List<Video> recall(RecallParam param) {
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														|  |  
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														|  |  
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														|  | -        if (param.getVideoId() == null) {
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														|  | 
 |  | +        if (param.getVideoId() == null || param.getVideoId() == 0) {
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														|  |              return Collections.emptyList();
 |  |              return Collections.emptyList();
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														|  |          }
 |  |          }
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														|  |          String recall_key = recallKey(param);
 |  |          String recall_key = recallKey(param);
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