ros 模型

recommend-server-service/src/main/java/com/tzld/piaoquan/recommend/server/common/base/RankItem.java

@@ -26,6 +26,7 @@ public class RankItem implements Comparable<RankItem> {
         this.videoId = video.getVideoId();
         this.score = 0.0;
         this.scoreRos = 0.0;
+        this.scoreStr = 0.0;
         this.video = video;
     }