diff --git a/View/StuffView.xaml b/View/StuffView.xaml
index b5a17f2..3cfda42 100644
--- a/View/StuffView.xaml
+++ b/View/StuffView.xaml
@@ -96,9 +96,9 @@
             <TextBlock HorizontalAlignment="Left" Height="30" Margin="15,0,0,50" TextWrapping="Wrap" Text="供应商" VerticalAlignment="Bottom" Width="80" FontSize="20"/>
             <TextBox x:Name="stuff_Price" HorizontalAlignment="Left" Height="30" Margin="305,0,0,50" Text="" VerticalAlignment="Bottom" Width="80" FontSize="16" MaxLines="1" MaxLength="25" InputMethod.IsInputMethodEnabled="False"  PreviewTextInput="Limitnumber"/>
             <TextBlock HorizontalAlignment="Left" Height="30" Margin="255,0,0,50" TextWrapping="Wrap" Text="价格" VerticalAlignment="Bottom" Width="45" FontSize="20"/>
-            <TextBox x:Name="stuff_Concentration" HorizontalAlignment="Left" Height="30" Margin="585,0,0,50" Text="" VerticalAlignment="Bottom" Width="50" FontSize="16" MaxLines="1" MaxLength="25" InputMethod.IsInputMethodEnabled="False"  PreviewTextInput="Limitnumber"/>
+            <TextBox x:Name="stuff_Concentration" HorizontalAlignment="Left" Height="30" Margin="585,0,0,50" Text="0" VerticalAlignment="Bottom" Width="50" FontSize="16" MaxLines="1" MaxLength="25" InputMethod.IsInputMethodEnabled="False"  PreviewTextInput="Limitnumber"/>
             <TextBlock HorizontalAlignment="Left" Height="30" Margin="540,0,0,50" TextWrapping="Wrap" Text="浓度" VerticalAlignment="Bottom" Width="45" FontSize="20"/>
-            <TextBox x:Name="stuff_GRAVITY" HorizontalAlignment="Left" Height="30" Margin="695,0,0,50" Text="" VerticalAlignment="Bottom" Width="50" FontSize="16" MaxLines="1" MaxLength="25" InputMethod.IsInputMethodEnabled="False"  PreviewTextInput="Limitnumber"/>
+            <TextBox x:Name="stuff_GRAVITY" HorizontalAlignment="Left" Height="30" Margin="695,0,0,50" Text="1" VerticalAlignment="Bottom" Width="50" FontSize="16" MaxLines="1" MaxLength="25" InputMethod.IsInputMethodEnabled="False"  PreviewTextInput="Limitnumber"/>
             <TextBlock HorizontalAlignment="Left" Height="30" Margin="650,0,0,50" TextWrapping="Wrap" Text="比重" VerticalAlignment="Bottom" Width="45" FontSize="20"/>
             <Button Content="存储" HorizontalAlignment="Left" Height="65" Margin="795,0,0,60" VerticalAlignment="Bottom" Width="145" FontSize="40" BorderBrush="{x:Null}" Background="#FFCECECE" Click="Button_Preservation"/>
             <Button Content="删除" HorizontalAlignment="Left" Height="65" Margin="975,0,0,60" VerticalAlignment="Bottom" Width="145" FontSize="40" BorderBrush="{x:Null}" Background="#FFCECECE" Click="Button_Delete"/>
diff --git a/View/StuffView.xaml.cs b/View/StuffView.xaml.cs
index 8127487..2c8d064 100644
--- a/View/StuffView.xaml.cs
+++ b/View/StuffView.xaml.cs
@@ -44,14 +44,20 @@ namespace Audit.View
 
         private void Button_Preservation(object sender, RoutedEventArgs e)//保存按钮事件
         {
-            if (string.IsNullOrWhiteSpace(this.stuff_ProductCode.Text)) System.Windows.MessageBox.Show("ERR.C0101-1：无效的原料信息");//检查原料代码
+            if (string.IsNullOrEmpty(this.stuff_ProductCode.Text)) System.Windows.MessageBox.Show("ERR.C0101：无效的原料信息");//检查原料代码
             else
-            if (string.IsNullOrWhiteSpace(this.stuff_ProductName.Text)) System.Windows.MessageBox.Show("ERR.C0101-2：无效的原料信息");//检查原料名称
+            if (string.IsNullOrEmpty(this.stuff_ProductName.Text)) System.Windows.MessageBox.Show("ERR.C0101-2：无效的原料信息，名称不可为空");//检查原料名称
             else
-            if (string.IsNullOrWhiteSpace(this.stuff_ProductType.Text)) System.Windows.MessageBox.Show("ERR.C0101-3：无效的原料信息");//检查原料类型
+            if (string.IsNullOrEmpty(this.stuff_ProductType.Text)) System.Windows.MessageBox.Show("ERR.C0101-3：无效的原料信息，类型不可为空");//检查原料类型
+            else
+            if (string.IsNullOrEmpty(this.stuff_GRAVITY.Text)) System.Windows.MessageBox.Show("ERR.C0101-1：无效的原料信息，比重不可为空");//检查原料比重
+            else
+            if (int.Parse(this.stuff_GRAVITY.Text) < 0 || int.Parse(this.stuff_GRAVITY.Text) > 5) System.Windows.MessageBox.Show("ERR.C0102-1：原料信息错误，比重错误");//检查比重输入数值
+            else
+            if(int.Parse(this.stuff_Concentration.Text) < 0 || int.Parse(this.stuff_Concentration.Text) > 10) System.Windows.MessageBox.Show("ERR.C0102-2：原料信息错误，浓度错误");//检查浓度输入数值
             else
             {
-                
+
             }
         }