更新！

FullCardServer/src/main/java/com/zhongshu/card/server/core/service/devices/DeviceGroupService.java

@@ -120,6 +120,9 @@ public class DeviceGroupService extends SuperService {
         }
 
         List<DeviceInfo> list = deviceInfoDao.findByDeviceIdIn(param.getDeviceIds());
+        if (ObjectUtils.isEmpty(list)) {
+            return ResultContent.buildFail("未查询到设备");
+        }
         if (ObjectUtils.isNotEmpty(list)) {
             List<DeviceGroupToDevice> saveList = new ArrayList<>();
             for (DeviceInfo deviceInfo : list) {