diff --git a/src/main/java/com/ruoyi/device/service/impl/DeviceAirTypeGeneralEnumServiceImpl.java b/src/main/java/com/ruoyi/device/service/impl/DeviceAirTypeGeneralEnumServiceImpl.java
index cbcb560..7160da1 100644
--- a/src/main/java/com/ruoyi/device/service/impl/DeviceAirTypeGeneralEnumServiceImpl.java
+++ b/src/main/java/com/ruoyi/device/service/impl/DeviceAirTypeGeneralEnumServiceImpl.java
@@ -69,10 +69,8 @@ public class DeviceAirTypeGeneralEnumServiceImpl implements IDeviceAirTypeGenera
 
             Map<String, List<DeviceAirLoadTypeDTO>> loadMap = new HashMap<>();
             for (DeviceAirLoadTypeDTO airLoadTypeDTO : deviceAirLoadTypeDTOS) {
-                if (loadMap.get(airLoadTypeDTO.getLoadSeries()).isEmpty()) {
-                    loadMap.put(airLoadTypeDTO.getLoadSeries(), new ArrayList<>());
-                }
-                loadMap.get(airLoadTypeDTO.getLoadSeries()).add(airLoadTypeDTO);
+                String loadSeries = airLoadTypeDTO.getLoadSeries();
+                loadMap.computeIfAbsent(loadSeries, k -> new ArrayList<>()).add(airLoadTypeDTO);
             }
             dto.setLoadList(loadMap);
         }