diff --git a/epmet-module/gov-voice/gov-voice-server/src/main/java/com/epmet/service/impl/TagServiceImpl.java b/epmet-module/gov-voice/gov-voice-server/src/main/java/com/epmet/service/impl/TagServiceImpl.java
index 186b427914..19dcbf3d5d 100644
--- a/epmet-module/gov-voice/gov-voice-server/src/main/java/com/epmet/service/impl/TagServiceImpl.java
+++ b/epmet-module/gov-voice/gov-voice-server/src/main/java/com/epmet/service/impl/TagServiceImpl.java
@@ -99,6 +99,9 @@ public class TagServiceImpl implements TagService {
      */
     @Override
     public List<CorrelationTagListResultDTO> correlationTagList(TokenDto tokenDto, CorrelationTagListFormDTO formDto) {
+        if (formDto.getTagIdList().size() == NumConstant.ZERO){
+            return new ArrayList<>();
+        }
         String customerId = tokenDto.getCustomerId();
         return tagRedis.get(customerId,formDto);
     }
@@ -110,6 +113,9 @@ public class TagServiceImpl implements TagService {
      */
     @Override
     public List<TagInfoResultDTO> tagCascadeList(TagCascadeListFormDTO formDto) {
+        if (formDto.getTagIdList().size() == NumConstant.ZERO){
+            return new ArrayList<>();
+        }
         return tagRedis.getResiTag(formDto);
     }
 }
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