新汤普森实验V2

ad-engine-commons/src/main/java/com/tzld/piaoquan/ad/engine/commons/redis/AlgorithmRedisHelper.java

@@ -9,10 +9,7 @@ import org.springframework.stereotype.Component;
 import org.springframework.util.CollectionUtils;
 
 import javax.annotation.Resource;
-import java.util.Date;
-import java.util.List;
-import java.util.Objects;
-import java.util.Set;
+import java.util.*;
 import java.util.concurrent.TimeUnit;
 
 @Component
@@ -43,7 +40,7 @@ public class AlgorithmRedisHelper {
 
     public List<String> getValues(List<String> keys) {
         List<String> values = redisTemplate.opsForValue().multiGet(keys);
-        return CollectionUtils.isEmpty(values) ? null : values;
+        return CollectionUtils.isEmpty(values) ? new ArrayList<>(keys.size()) : values;
     }