feat:添加VOV过滤实验

recommend-server-service/src/main/java/com/tzld/piaoquan/recommend/server/service/filter/strategy/VovLowerStrategy.java

@@ -103,7 +103,11 @@ public class VovLowerStrategy implements FilterStrategy {
             // 判断VOV是否小于阈值
             boolean vovResult = (t0AllVov < t0VovCondition) && (t1AllVov < t1VovCondition) && (t2AllVov < t2VovCondition);
 
-            return viewResult && vovResult;
+            // 判断VOV是否全不为0
+            boolean vovIsNE0 = (t0AllVov != 0) && (t1AllVov != 0) && (t2AllVov != 0);
+
+            // 曝光置信 & VOV小于阈值 & VOV全不为0
+            return viewResult && vovResult && vovIsNE0;
         } catch (Exception e) {
             log.info("VOV过滤 -- 异常: ", e);
         }