diff --git a/OpenAuth.App/ServiceApp/Algo/DaHuaAiApp.cs b/OpenAuth.App/ServiceApp/Algo/DaHuaAiApp.cs
index 972665d..e9fa5d1 100644
--- a/OpenAuth.App/ServiceApp/Algo/DaHuaAiApp.cs
+++ b/OpenAuth.App/ServiceApp/Algo/DaHuaAiApp.cs
@@ -39,10 +39,10 @@ namespace OpenAuth.App.ServiceApp.Algo
         {
             using (var db = UnitWork.CreateContext())
             {
-                //var imageList1 = await db.LasaMediaFile.AsQueryable().Where(r => r.TaskId == firstId && r.AbsoluteAltitude != 0 && r.AbsoluteAltitude != null).ToListAsync();
-                //var imageList2 = await db.LasaMediaFile.AsQueryable().Where(r => r.TaskId == secondId && r.AbsoluteAltitude != 0 && r.AbsoluteAltitude != null).ToListAsync();
-                var imageList1 = await db.LasaMediaFile.AsQueryable().Where(r => r.Id == firstId && r.AbsoluteAltitude != 0 && r.AbsoluteAltitude != null).ToListAsync();
-                var imageList2 = await db.LasaMediaFile.AsQueryable().Where(r => r.Id == secondId && r.AbsoluteAltitude != 0 && r.AbsoluteAltitude != null).ToListAsync();
+                var imageList1 = await db.LasaMediaFile.AsQueryable().Where(r => r.TaskId == firstId && r.AbsoluteAltitude != 0 && r.AbsoluteAltitude != null).OrderBy(r=>r.CreateTime).ToListAsync();
+                var imageList2 = await db.LasaMediaFile.AsQueryable().Where(r => r.TaskId == secondId && r.AbsoluteAltitude != 0 && r.AbsoluteAltitude != null).OrderBy(r => r.CreateTime).ToListAsync();
+                //var imageList1 = await db.LasaMediaFile.AsQueryable().Where(r => r.Id == firstId && r.AbsoluteAltitude != 0 && r.AbsoluteAltitude != null).ToListAsync();
+                //var imageList2 = await db.LasaMediaFile.AsQueryable().Where(r => r.Id == secondId && r.AbsoluteAltitude != 0 && r.AbsoluteAltitude != null).ToListAsync();
                 List<dynamic> dataList = new List<dynamic>();
                 for (int i = 0; i < imageList1.Count; i++)
                 {