diff --git a/Actions/ChemicalWeighing/Mesnac.Action.ChemicalWeighing/AutoControl/DB/StockMaterrialDBHelp.cs b/Actions/ChemicalWeighing/Mesnac.Action.ChemicalWeighing/AutoControl/DB/StockMaterrialDBHelp.cs
index c25e60e..be1644b 100644
--- a/Actions/ChemicalWeighing/Mesnac.Action.ChemicalWeighing/AutoControl/DB/StockMaterrialDBHelp.cs
+++ b/Actions/ChemicalWeighing/Mesnac.Action.ChemicalWeighing/AutoControl/DB/StockMaterrialDBHelp.cs
@@ -80,7 +80,13 @@ namespace Mesnac.Action.ChemicalWeighing.AutoControl.DB
             {
                 string sql = $"select Code from  lj_stock_material where Id={id}";
                 var dataTable = DBHelp.GetTable(sql);
-                return Convert.ToInt16(dataTable.Rows[0][0]);
+                if (dataTable.Rows.Count == 1)
+                {
+                    return Convert.ToInt16(dataTable.Rows[0][0]);
+                }
+
+                return id;
+
             }
 
             return id;