diff --git a/YD_AllHeartRates.Api/Services/Impl/DeviceService.cs b/YD_AllHeartRates.Api/Services/Impl/DeviceService.cs
index 69473ce..9d6848b 100644
--- a/YD_AllHeartRates.Api/Services/Impl/DeviceService.cs
+++ b/YD_AllHeartRates.Api/Services/Impl/DeviceService.cs
@@ -51,6 +51,7 @@ namespace YD_AllHeartRates.Api.Services.Impl
                         from s in ds.DefaultIfEmpty()
                         select new DevicePageListDto
                         {
+                            Id = s.Id,
                             Code = d.Code,
                             DeviceType = d.DeviceType,
                             StudentNo = d.StudentNo,
@@ -85,7 +86,7 @@ namespace YD_AllHeartRates.Api.Services.Impl
 
             res.Total = await query.CountAsync();
 
-            var list = await query
+            var list = await query.OrderByDescending(x => x.Id)
                  .Skip((dto.PageIndex - 1) * dto.PageSize)
                  .Take(dto.PageSize)
                  .ToListAsync();
diff --git a/YD_AllHeartRates.Commons/Dto/Device/DevicePageListDto.cs b/YD_AllHeartRates.Commons/Dto/Device/DevicePageListDto.cs
index 85862d7..cdac2ef 100644
--- a/YD_AllHeartRates.Commons/Dto/Device/DevicePageListDto.cs
+++ b/YD_AllHeartRates.Commons/Dto/Device/DevicePageListDto.cs
@@ -13,6 +13,7 @@ namespace YD_AllHeartRates.Commons.Dto.Device
     /// </summary>
     public class DevicePageListDto
     {
+        public int Id { get; set; }
         /// <summary>
         /// 设备的唯一编码
         /// </summary>