diff --git a/src/main/java/com/syjiaer/clinic/server/service/item/ItemService.java b/src/main/java/com/syjiaer/clinic/server/service/item/ItemService.java
index 6a5277d..6e19098 100644
--- a/src/main/java/com/syjiaer/clinic/server/service/item/ItemService.java
+++ b/src/main/java/com/syjiaer/clinic/server/service/item/ItemService.java
@@ -315,7 +315,7 @@ public class ItemService extends BaseService {
         itemMapper.updateById(itemInfo);
     }
 
-    public Map<String,Object> getGroup(int itemId) {
+    public HashMap<String,Object> getGroup(int itemId) {
         QueryWrapper<Item> itemQueryWrapper = new QueryWrapper<>();
         itemQueryWrapper.ne("del_flag", 1);
         itemQueryWrapper.eq("is_group",true);