diff --git a/virtual-patient-web/src/main/java/com/supervision/service/impl/AskAncillaryServiceImpl.java b/virtual-patient-web/src/main/java/com/supervision/service/impl/AskAncillaryServiceImpl.java
index 3d08a5d1..0223a952 100644
--- a/virtual-patient-web/src/main/java/com/supervision/service/impl/AskAncillaryServiceImpl.java
+++ b/virtual-patient-web/src/main/java/com/supervision/service/impl/AskAncillaryServiceImpl.java
@@ -126,7 +126,7 @@ public class AskAncillaryServiceImpl implements AskAncillaryService {
         List<AskAncillaryHistoryResVO> resList = new ArrayList<>();
         // 对于item相同的,primaryId不同的,进行合并
         Map<String, List<AskAncillaryHistoryResVO>> resMap = distinctItemIdAndPrimaryIdList.stream()
-                .collect(Collectors.groupingBy(AskAncillaryHistoryResVO::getPrimaryId));
+                .collect(Collectors.groupingBy(AskAncillaryHistoryResVO::getItemId));
 
         for (Map.Entry<String, List<AskAncillaryHistoryResVO>> entry : resMap.entrySet()) {
             List<AskAncillaryHistoryResVO> value = entry.getValue();