diff --git a/DOAN.Service/PBL/BigScreenService.cs b/DOAN.Service/PBL/BigScreenService.cs
index d2f340e..3841f8f 100644
--- a/DOAN.Service/PBL/BigScreenService.cs
+++ b/DOAN.Service/PBL/BigScreenService.cs
@@ -20,7 +20,7 @@ namespace DOAN.Service.PBL
             List<BIgScreenDto>  result = new List<BIgScreenDto>();
             
             // 1  查询所有料架
-            string[] RackCodeArray= Context.Queryable<Storagelocation>().GroupBy(it=>it.RackCode).Select(it=>it.RackCode).OrderBy(it=>it).ToArray();
+            string[] RackCodeArray= Context.Queryable<Storagelocation>().GroupBy(it=>it.RackCode).Select(it=>it.RackCode).ToArray();
 
            List<Storagelocation>  DataSoure= Context.Queryable<Storagelocation>().ToList();
             //2   查询每个料架层
@@ -35,11 +35,13 @@ namespace DOAN.Service.PBL
                 {
                     for (int j = 0; j < LayerSheelfList.Count; j++)
                     {
-                        LayerObjectfArray[j].LayerNum=LayerSheelfList[j].LayerNum;
-                        LayerObjectfArray[j].Partnumber=LayerSheelfList[j].Partnumber;
-                        LayerObjectfArray[j].MaxCapacity=LayerSheelfList[j].MaxCapacity;
-                        LayerObjectfArray[j].PackageNum=LayerSheelfList[j].PackageNum;
-                        LayerObjectfArray[j].isLight=LayerSheelfList[j].IsLight==1?true:false;
+                        LayerObject LayerObject = new LayerObject();
+                        LayerObject.LayerNum=LayerSheelfList[j].LayerNum;
+                        LayerObject.Partnumber=LayerSheelfList[j].Partnumber;
+                        LayerObject.MaxCapacity=LayerSheelfList[j].MaxCapacity;
+                        LayerObject.PackageNum=LayerSheelfList[j].PackageNum;
+                        LayerObject.isLight=LayerSheelfList[j].IsLight==1?true:false;
+                        LayerObjectfArray[j] = LayerObject;
                     }
 
                     for (int j = 0; j < LayerSheelfList.Count; j++)
@@ -62,7 +64,7 @@ namespace DOAN.Service.PBL
            
 
 
-            return result;
+            return result.OrderBy(it=>it.RackCode).ToList();
         }
     }
     
diff --git a/DOAN.Service/PBL/IService/IBigScreenService.cs b/DOAN.Service/PBL/IService/IBigScreenService.cs
index 20a845f..df4a165 100644
--- a/DOAN.Service/PBL/IService/IBigScreenService.cs
+++ b/DOAN.Service/PBL/IService/IBigScreenService.cs
@@ -6,4 +6,6 @@ namespace DOAN.Service.PBL.IService;
 public interface IBigScreenService : IBaseService<Storagelocation>
 {
    List<BIgScreenDto>  SearchShelfLightInfomation();
+   
+   
 }
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