update exp code

recommend-server-service/src/main/java/com/tzld/piaoquan/recommend/server/service/recall/strategy/AbstractRegionRecallStrategy.java

@@ -104,6 +104,7 @@ public abstract class AbstractRegionRecallStrategy implements RecallStrategy {
             redisTemplate.delete(lastVideoKey);
             poolKey = updateLastVideoRecord(recordKey, param);
         }
+        log.info("poolKey {}", poolKey);
         if (StringUtils.isBlank(poolKey)) {
             return null;
         }