修改bug

server-service/src/main/java/com/makeit/service/platform/space/impl/PlatBedServiceImpl.java

@@ -165,9 +165,13 @@ public class PlatBedServiceImpl extends ServiceImpl<PlatBedMapper, PlatBed> impl
         LambdaQueryWrapper<PlatRoomBedDevice> queryWrapper = new LambdaQueryWrapper<>();
         queryWrapper.eq(PlatRoomBedDevice::getRoomId,dto.getRoomId());
         queryWrapper.select(PlatRoomBedDevice::getBedId);
+        queryWrapper.isNotNull(PlatRoomBedDevice::getBedId);
         List<PlatRoomBedDevice> listDevices = platRoomBedDeviceService.list(queryWrapper);
-        List<String> listBedIds = listDevices.stream().map(item->item.getBedId()).collect(Collectors.toList());
 
+        List<String> listBedIds = new ArrayList<>();
+        if(!listDevices.isEmpty()){
+            listBedIds = listDevices.stream().map(item->item.getBedId()).collect(Collectors.toList());
+        }
 
         LambdaQueryWrapper<PlatBed> queryWrapper1 = new LambdaQueryWrapper<>();
         queryWrapper1.eq(StringUtil.isNotEmpty(dto.getRoomId()), PlatBed::getRoomId, dto.getRoomId());