diff --git a/modules/thing/src/main/java/com/thing/thing/dict/service/impl/IotThingDictServiceImpl.java b/modules/thing/src/main/java/com/thing/thing/dict/service/impl/IotThingDictServiceImpl.java
index 139ca07..7685556 100644
--- a/modules/thing/src/main/java/com/thing/thing/dict/service/impl/IotThingDictServiceImpl.java
+++ b/modules/thing/src/main/java/com/thing/thing/dict/service/impl/IotThingDictServiceImpl.java
@@ -251,7 +251,7 @@ public class IotThingDictServiceImpl extends BaseServiceImpl<IotThingDictMapper,
             throw new SysException("字典编码和字典类型不能为空,请检查下excel数据");
         }
         Map<String, Long> codeCountMap = sheetData.stream()
-                .collect(Collectors.groupingBy(IotThingDictExcel::getCode, Collectors.counting())); // 使用 groupingBy 收集器按照 code 进行分组，并计数
+                .collect(Collectors.groupingBy(s-> s.getCode()+":"+s.getGroupName(), Collectors.counting())); // 使用 groupingBy 收集器按照 code 进行分组，并计数
         String duplicates = codeCountMap.entrySet().stream()
                 .filter(entry -> entry.getValue() > 1) // 过滤出计数大于 1 的 entry
                 .map(Map.Entry::getKey) // 获取过滤后的 entry 的 key，即重复的 code 值