feat:添加参数

recommend-feature-client/src/main/java/com/tzld/piaoquan/recommend/feature/domain/ad/base/AdRankItem.java

@@ -43,9 +43,6 @@ public class AdRankItem implements Comparable<AdRankItem> {
 
     private Long videoId;
 
-    // 扩展参数
-    private Map<String, Objects> ext;
-
     public AdRankItem() {
         //TODO
     }
@@ -53,6 +50,8 @@ public class AdRankItem implements Comparable<AdRankItem> {
     private Map<String, Double> rankerScore = new HashMap<>();
     private Map<String, Integer> rankerIndex = new HashMap<>();
 
+    // 扩展参数
+    private Map<String, Objects> ext = new HashMap<>();
 
     @Override
     public int compareTo(AdRankItem o) {