diff --git a/MainWindow.xaml b/MainWindow.xaml
index 6a1f27a..95cea92 100644
--- a/MainWindow.xaml
+++ b/MainWindow.xaml
@@ -31,7 +31,7 @@
             </MenuItem>
             <MenuItem Header="_查询" FontSize="16"/>
         </Menu>
-        <DataGrid x:Name="Selectio" AlternationCount="2" IsReadOnly="True" 
+        <DataGrid x:Name="Selectio" AlternationCount="2" IsReadOnly="False" 
                   Margin="5,300,5,100" d:ItemsSource="{d:SampleData ItemCount=200}" 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" Background="White" SelectionMode="Single">
@@ -64,7 +64,7 @@
             </DataGrid.CellStyle>
             <DataGrid.Columns>
                 <!--列信息绑定-->
-                <DataGridTextColumn Header="步序" Width="50" FontSize="15" MaxWidth="50" MinWidth="50" CanUserReorder="False"/>
+                <DataGridTextColumn Header="步序" Width="50" FontSize="15" MaxWidth="50" MinWidth="50" CanUserReorder="False" />
                 <DataGridTextColumn Header="原料" 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"/>