新增7天rovn召回

recommend-server-service/src/main/java/com/tzld/piaoquan/recommend/server/service/rank/strategy/RankStrategy4RegionMergeModelV999.java

@@ -317,7 +317,7 @@ public class RankStrategy4RegionMergeModelV999 extends RankStrategy4RegionMergeM
             double fmRov = item.getScoreRov();
             item.getScoresMap().put("fmRov", fmRov);
             if (chooseFunction == 0){
-                score = fmRov * hasReturnRovScore;
+                score = fmRov * Math.max(hasReturnRovScore, 0.5);
             }else if (chooseFunction == 1){
                 score = fmRov * (1 + Math.log(hasReturnRovScore + 1));
             }else {