diff --git a/MainWindow.xaml.cs b/MainWindow.xaml.cs
index 856358f..4a8e507 100644
--- a/MainWindow.xaml.cs
+++ b/MainWindow.xaml.cs
@@ -653,7 +653,7 @@ namespace formula_manage
                 if (grid_row == -1) grid_row = 0;
 
                 Code_ = curComboBox.Text.TrimEnd();
-                if (Code_ == "")
+                if ((Code_ == "") && (grid_row != 0))
                 {
                     if (Procedures_N.Text == Procedures_P.Text)
                     {
@@ -671,7 +671,6 @@ namespace formula_manage
                         PressKey.PressKeys(Keys.Tab, false);
                         PressKey.PressKeys(Keys.Tab, true);
                         return;
-
                     }
                 }
 
@@ -764,8 +763,16 @@ namespace formula_manage
 
             System.Windows.Controls.TextBox curTextBox = sender as System.Windows.Controls.TextBox;
             int grid_row = Grid_RRODUCT.SelectedIndex;  //获取当前行
+            int ID_ = grid_row + 1;
 
-            if (e.Key == Key.Enter)
+            DataRow[] c = RRODUCTdataTable.Select("PRODUCT_CODE is null and ID = '" + ID_ + "'");//查询判断原料代码是否重复
+            if (c.Any())
+            {
+                System.Windows.MessageBox.Show("先选择原料");
+                return;
+            }
+                
+             if (e.Key == Key.Enter)
             {
                 if (!double.TryParse(curTextBox.Text, out ang))
                 {