rank models

ad-engine-commons/src/main/java/com/tzld/piaoquan/ad/engine/commons/base/AdItemBytesFeature.java

@@ -42,7 +42,7 @@ public class AdItemBytesFeature {
         advertiserCode = feature.getAdvertiserCode().getBytes();
         campaignId = feature.getCampaignId().getBytes();
         campaignCode = feature.getCampaignCode().getBytes();
-        creative = feature.getCreative().getBytes();
+        creative = feature.getCreativeId().getBytes();
         creativeCode = feature.getCreativeCode().getBytes();