Add null pointer judgement for resultAlarmVo in getWarehouseData function.

src/main/java/com/example/tdl/web/WarehouseController.java

@@ -1321,15 +1321,15 @@ public class WarehouseController {
         WarehouseTDLDetailVo warehouseTDLDetailVo=new WarehouseTDLDetailVo();
         warehouseTDLDetailVo.setDescription("temperature");
         warehouseTDLDetailVo.setTimeAndValuesVos(historyDataLists);
-        warehouseTDLDetailVo.setMax(resultAlarmVo.getTemMax());
-        warehouseTDLDetailVo.setMin(resultAlarmVo.getTemMin());
+        warehouseTDLDetailVo.setMax(resultAlarmVo != null ? resultAlarmVo.getTemMax() : null);
+        warehouseTDLDetailVo.setMin(resultAlarmVo != null ? resultAlarmVo.getTemMin() : null);
         warehouseTDLDetailVoList.add(warehouseTDLDetailVo);
 
         WarehouseTDLDetailVo warehouseTDLDetailVos=new WarehouseTDLDetailVo();
         warehouseTDLDetailVos.setDescription("humidity");
         warehouseTDLDetailVos.setTimeAndValuesVos(historyDataList);
-        warehouseTDLDetailVos.setMax(resultAlarmVo.getHumidityMax());
-        warehouseTDLDetailVos.setMin(resultAlarmVo.getHumidityMin());
+        warehouseTDLDetailVos.setMax(resultAlarmVo != null ? resultAlarmVo.getHumidityMax() : null);
+        warehouseTDLDetailVos.setMin(resultAlarmVo != null ? resultAlarmVo.getHumidityMin() : null);
         warehouseTDLDetailVoList.add(warehouseTDLDetailVos);
         return warehouseTDLDetailVoList;
     }