diff --git a/MainWindow.xaml b/MainWindow.xaml
index 05427ab..56a1782 100644
--- a/MainWindow.xaml
+++ b/MainWindow.xaml
@@ -79,9 +79,9 @@
         <DataGrid AlternationCount="2" IsReadOnly="False" 
                   Margin="5,300,5,100" d:ItemsSource="{d:SampleData ItemCount=30}" AutoGenerateColumns="False" MinColumnWidth="30"
                   HorizontalGridLinesBrush="#FFC9C9C9" VerticalGridLinesBrush="#FFC9C9C9" GridLinesVisibility="All" BorderBrush="#CCCCCC" 
-                  BorderThickness="1,1,1,1" ColumnHeaderHeight="40" HorizontalContentAlignment="Right" Grid.ColumnSpan="2" CanUserReorderColumns="False" 
+                  BorderThickness="1,1,1,1" ColumnHeaderHeight="40" HorizontalContentAlignment="Right" Grid.ColumnSpan="2" 
                   CanUserAddRows="True" CanUserDeleteRows="True" CanUserSortColumns="False" 
-                  Background="White" SelectionMode="Single">
+                  Background="White" SelectionMode="Single" FontSize="15">
             <DataGrid.RowStyle >
                 <Style TargetType="{x:Type DataGridRow}">
                     <Style.Triggers>
@@ -114,10 +114,19 @@
                 <DataGridTextColumn Header="顺序" Width="50" FontSize="15" MaxWidth="50" MinWidth="50" CanUserReorder="False"/>
                 <DataGridTextColumn Header="原料代码" Width="200" FontSize="15" MaxWidth="400" MinWidth="100" CanUserReorder="False"/>
                 <DataGridTextColumn Header="目标饱和度(%)" Width="200" FontSize="15" MaxWidth="400" MinWidth="100" CanUserReorder="False"/>
-                <DataGridTextColumn Header="计算单位" Width="80" FontSize="15" MaxWidth="80" MinWidth="80" CanUserReorder="False"/>
+                <DataGridTemplateColumn Header="计算单位" Width="80"  MaxWidth="80" MinWidth="80" CanUserReorder="False">
+                    <DataGridTemplateColumn.CellTemplate>
+                        <DataTemplate>
+                            <ComboBox x:Name="CUnit" IsEditable="True" >
+                                <ComboBoxItem Content="%"></ComboBoxItem>
+                                <ComboBoxItem Content="g/L"></ComboBoxItem>
+                            </ComboBox>
+                        </DataTemplate>
+                    </DataGridTemplateColumn.CellTemplate>
+                </DataGridTemplateColumn>
                 <DataGridTextColumn Header="原料名称" Width="200" FontSize="15" MaxWidth="400" MinWidth="100" CanUserReorder="False"/>
                 <DataGridTextColumn Header="目标重量(g)" Width="200" FontSize="15" MaxWidth="400" MinWidth="100" CanUserReorder="False"/>
-                <DataGridTextColumn Header="单位" Width="80" FontSize="15" MaxWidth="80" MinWidth="80" CanUserReorder="False"/>
+                <DataGridTextColumn Header="单位" Width="80"  FontSize="15" MaxWidth="80" MinWidth="80" CanUserReorder="False"/>
                 <DataGridTextColumn Header="备注" Width="400" FontSize="15" MinWidth="100" CanUserReorder="False"/>
             </DataGrid.Columns>
         </DataGrid>
diff --git a/MainWindow.xaml.cs b/MainWindow.xaml.cs
index 40d8457..89c5931 100644
--- a/MainWindow.xaml.cs
+++ b/MainWindow.xaml.cs
@@ -154,5 +154,7 @@ namespace formula_manage
         {
             Deputy.Content = new View.Formula();  //打开配方选择
         }
+
+     
     }
 }