fix bug -- city feature absence

ad-engine-commons/src/main/java/com/tzld/piaoquan/ad/engine/commons/score/feature/VlogAdCtrLRFeatureExtractor.java

@@ -163,7 +163,7 @@ public class VlogAdCtrLRFeatureExtractor extends LRBytesFeatureExtractorBase {
         makeFea(VlogAdFeatureGroup.CREATIVE_AND_REGION, itemBytesFeature.getCreative(), requestContextByte.getRegion());
         makeFea(VlogAdFeatureGroup.ADVERID_AND_REGION, itemBytesFeature.getAdvertiserId(), requestContextByte.getRegion());
 
-
+        //add city feature
         makeFea(VlogAdFeatureGroup.CREATIVE_AND_CITY, itemBytesFeature.getCreative(), requestContextByte.getCity());
         makeFea(VlogAdFeatureGroup.ADVERID_AND_CITY, itemBytesFeature.getAdvertiserId(), requestContextByte.getCity());