milestone0

recommend-server-service/src/main/java/com/tzld/piaoquan/recommend/server/service/rank/strategy/RankStrategy4RegionMergeModelV5.java

@@ -321,7 +321,8 @@ public class RankStrategy4RegionMergeModelV5 extends RankService {
                 }
                 try{
                     vfMap = JSONUtils.fromJson(vF, new TypeToken<Map<String, String>>() {}, vfMap);
-                    rankItems.get(i).setItemBasicFeature(vfMap);
+                    Map<String, String> vfMapCopy = new HashMap<>(vfMap);
+                    rankItems.get(i).setItemBasicFeature(vfMapCopy);
                     Iterator<Map.Entry<String, String>> iteratorIn = vfMap.entrySet().iterator();
                     while (iteratorIn.hasNext()) {
                         Map.Entry<String, String> entry = iteratorIn.next();