增加模型名称

ad-engine-service/src/main/java/com/tzld/piaoquan/ad/engine/service/score/strategy/RankStrategyBy688.java

@@ -335,6 +335,7 @@ public class RankStrategyBy688 extends RankStrategyBasic {
             AdRankItem top1Item = result.get(0);
             top1Item.getExt().put("isGuaranteeType", isGuaranteeType);
             putMetaFeature(top1Item, feature, reqFeature, sceneFeatureMap, request);
+            top1Item.getExt().put("model", "dnn");
         }
         long time6 = System.currentTimeMillis();
         log.info("cost={}, getFeature={}, handleFeature={},  similar={}, bucketFeature={}, getScorerPipeline={}, " +