diff --git a/mallchat-common/src/main/java/com/abin/mallchat/common/common/service/cache/AbstractRedisStringCache.java b/mallchat-common/src/main/java/com/abin/mallchat/common/common/service/cache/AbstractRedisStringCache.java
index 16b0f16..9f6b087 100644
--- a/mallchat-common/src/main/java/com/abin/mallchat/common/common/service/cache/AbstractRedisStringCache.java
+++ b/mallchat-common/src/main/java/com/abin/mallchat/common/common/service/cache/AbstractRedisStringCache.java
@@ -35,6 +35,7 @@ public abstract class AbstractRedisStringCache<IN, OUT> implements BatchCache<IN
 
     @Override
     public Map<IN, OUT> getBatch(List<IN> req) {
+        req = req.stream().distinct().collect(Collectors.toList());
         List<String> keys = req.stream().map(this::getKey).collect(Collectors.toList());
         List<OUT> valueList = RedisUtils.mget(keys, outClass);
         List<IN> loadReqs = new ArrayList<>();
diff --git a/mallchat-custom-server/src/main/java/com/abin/mallchat/custom/user/service/impl/UserServiceImpl.java b/mallchat-custom-server/src/main/java/com/abin/mallchat/custom/user/service/impl/UserServiceImpl.java
index 4b9374c..dc63558 100644
--- a/mallchat-custom-server/src/main/java/com/abin/mallchat/custom/user/service/impl/UserServiceImpl.java
+++ b/mallchat-custom-server/src/main/java/com/abin/mallchat/custom/user/service/impl/UserServiceImpl.java
@@ -146,6 +146,7 @@ public class UserServiceImpl implements UserService {
         return req.getReqList()
                 .stream()
                 .map(a -> batch.containsKey(a.getUid()) ? batch.get(a.getUid()) : SummeryInfoDTO.skip(a.getUid()))
+                .filter(Objects::nonNull)
                 .collect(Collectors.toList());
     }