模型实验

recommend-server-service/src/main/java/com/tzld/piaoquan/recommend/server/service/rank/strategy/RankStrategy4RankModel.java

@@ -113,6 +113,8 @@ public class RankStrategy4RankModel extends RankService {
                     log.error(String.format("parse user json is wrong in {} with {}",
                             this.CLASS_NAME, e));
                 }
+            }else{
+                return videos;
             }
         }
         final Set<String> userFeatureSet = new HashSet<>(Arrays.asList(