适配新实验系统

ad-engine-service/src/main/java/com/tzld/piaoquan/ad/engine/service/predict/model/threshold/RandomImmersionPredictModel.java

@@ -36,7 +36,7 @@ public class RandomImmersionPredictModel extends ThresholdPredictModel {
         result.put("ad_predict", score<threshold?2:1);
         result.put("score", score);
         result.put("threshold", threshold);
-        result.put("model", "random");
+        result.put("model", "immersion");
 
         return result;
     }