fix 出差人员任务生成

Src/Dlhis.Basic/Device/Services/Implements/DeviceGroupService.cs

@@ -60,6 +60,7 @@ public class DeviceGroupService : IDeviceGroupService
     {
         //检查父级节点
         var pGrp = await CheckPCodeAsync(request);
+        await CheckBusinessTripGroupAsync(request);
 
         if (!request.Id.HasValue)
         {
@@ -162,6 +163,13 @@ public class DeviceGroupService : IDeviceGroupService
 
     /****************************************************** help methods *********************************************************/
 
+    private async Task CheckBusinessTripGroupAsync(DeviceGroupSaveRequest request)
+    {
+        var exists = await _dbContext.Queryable<DeviceGroupEntity>().Where(x => x.Type == request.Type).Where(x => x.IsBusinessTrip).AnyAsync();
+        exists.ThrowIfTrue("已存在出差分组");
+    }
+
+
     /// <summary>
     /// 检查父级分组
     /// </summary>