diff --git a/DOAN.Model/MES/Material/Dto/MmInventoryDto.cs b/DOAN.Model/MES/Material/Dto/MmInventoryDto.cs
index 6fa4934..4c17f8b 100644
--- a/DOAN.Model/MES/Material/Dto/MmInventoryDto.cs
+++ b/DOAN.Model/MES/Material/Dto/MmInventoryDto.cs
@@ -8,7 +8,6 @@ namespace DOAN.Model.BZFM.Dto
     {
         public string WarehouseCode { get; set; }
         public string MaterialCode { get; set; }
-        public string MaterialCode { get; set; }
     }
 
     /// <summary>
diff --git a/DOAN.Service/MES/Material/MmInventoryService.cs b/DOAN.Service/MES/Material/MmInventoryService.cs
index 12b6230..f22c703 100644
--- a/DOAN.Service/MES/Material/MmInventoryService.cs
+++ b/DOAN.Service/MES/Material/MmInventoryService.cs
@@ -72,7 +72,9 @@ namespace DOAN.Service.BZFM
         private static Expressionable<MmInventory> QueryExp(MmInventoryQueryDto parm)
         {
             var predicate = Expressionable.Create<MmInventory>()
-                .AndIF(!string.IsNullOrEmpty(parm.WarehouseCode), m => m.WarehouseCode.Contains(parm.WarehouseCode));
+                .AndIF(!string.IsNullOrEmpty(parm.WarehouseCode), m => m.WarehouseCode.Contains(parm.WarehouseCode))
+                .AndIF(!string.IsNullOrEmpty(parm.MaterialCode), m => m.MaterialCode.Contains(parm.MaterialCode))
+                ;
 
             return predicate;
         }