add log

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

@@ -120,6 +120,9 @@ public class VlogAdCtrLRScorer extends BaseLRModelScorer {
                         item.getAdId(), ExceptionUtils.getFullStackTrace(e)});
             }
         }
+        lrSamples.toBuilder().setPredictCtr(pro);
+        //
+        lrSamples.toString();
         item.setCtr(pro);
         return pro;
     }