diff --git a/Windows/SQL_BAK.xaml b/Windows/SQL_BAK.xaml
index 6ed244b..48c2f8f 100644
--- a/Windows/SQL_BAK.xaml
+++ b/Windows/SQL_BAK.xaml
@@ -7,7 +7,10 @@
         mc:Ignorable="d" Loaded="Window_SQLBAK"
         Title="SQL_BAK" Height="450" Width="500">
     <Grid>
-        <CheckBox x:Name="SQL_bak" Height="19" Margin="5,6,315,0" VerticalAlignment="Top" Content="自定义备份地址" IsTabStop="False" Checked="SQLBAK_Checked" Unchecked="SQLBAK_Checked"/>
+        <CheckBox x:Name="SQL_bak" Height="20" Margin="320,30,55,0" VerticalAlignment="Top" Content="自定义备份地址" IsTabStop="False" Checked="SQLBAK_Checked" Unchecked="SQLBAK_Checked"/>
+        <TextBlock HorizontalAlignment="Left" Height="20" Margin="20,55,0,0" TextWrapping="Wrap" Text="备份地址:" VerticalAlignment="Top" Width="70" FontSize="16"/>
+        <TextBox x:Name="SQL_DISPEN_bak" HorizontalAlignment="Left" Height="20" Margin="90,55,0,0" TextWrapping="Wrap" VerticalAlignment="Top" Width="285" TextChanged="SQL_DISPEN_bak_TextChanged"/>
+        <Button x:Name="SQL_DISPEN_BUT" Content="浏览路径" HorizontalAlignment="Left" Height="20" Margin="375,55,0,0" VerticalAlignment="Top" Width="70" Background="#FFF9F9F9" Click="Button_Click"/>
 
     </Grid>
 </Window>
diff --git a/Windows/SQL_BAK.xaml.cs b/Windows/SQL_BAK.xaml.cs
index 0f77b07..31fa607 100644
--- a/Windows/SQL_BAK.xaml.cs
+++ b/Windows/SQL_BAK.xaml.cs
@@ -7,11 +7,14 @@ using System.Windows;
 using System.Windows.Controls;
 using System.Windows.Data;
 using System.Windows.Documents;
+using System.Windows.Forms;
 using System.Windows.Input;
 using System.Windows.Media;
 using System.Windows.Media.Imaging;
 using System.Windows.Shapes;
 
+
+
 namespace formula_manage.Windows
 {
     /// <summary>
@@ -25,20 +28,46 @@ namespace formula_manage.Windows
             InitializeComponent();
         }
 
+        bool SQLBAK;
+
         public string INIPath = Convert.ToString(System.AppDomain.CurrentDomain.BaseDirectory) + "formula.ini";
 
-        private void Window_SQLBAK(object sender, RoutedEventArgs e)
+        private void Window_SQLBAK(object sender, RoutedEventArgs e)  //打开页面
         {
             UserClass.IniFile.IniFiles Configini = new UserClass.IniFile.IniFiles(INIPath);
-            SQL_bak.IsChecked = Boolean.Parse(Configini.IniReadvalue("SQL_BAK", "S1"));
+            SQLBAK = Boolean.Parse(Configini.IniReadvalue("SQL_BAK", "S1"));
+            SQL_DISPEN_bak.Text = Configini.IniReadvalue("SQL_BAK", "S2");
+
+            SQL_bak.IsChecked = SQLBAK;
+            SQL_DISPEN_bak.IsEnabled = SQLBAK;
+            SQL_DISPEN_BUT.IsEnabled = SQLBAK;
         }
 
-        private void SQLBAK_Checked(object sender, RoutedEventArgs e)
+        private void SQLBAK_Checked(object sender, RoutedEventArgs e)  //自定义备份地址状态
         {
             UserClass.IniFile.IniFiles Configini = new UserClass.IniFile.IniFiles(INIPath);   //配置文件
             Configini.IniWritevalue("SQL_BAK", "S1", SQL_bak.IsChecked.GetValueOrDefault().ToString());   //保存的配置
+            SQLBAK = SQL_bak.IsChecked.GetValueOrDefault();
+            SQL_DISPEN_bak.IsEnabled = SQLBAK;
+            SQL_DISPEN_BUT.IsEnabled = SQLBAK;
         }
 
+        private void Button_Click(object sender, RoutedEventArgs e)  //SQL_DISPEN_bak路径选择按钮
+        {
+            FolderBrowserDialog Dilog = new FolderBrowserDialog();
+            Dilog.RootFolder = Environment.SpecialFolder.MyComputer;  //打开根目录
+            Dilog.ShowNewFolderButton = false;   //不显示新建文件夹按钮
+                                                 //
+            if (Dilog.ShowDialog() == System.Windows.Forms.DialogResult.OK ) 
+            {
+                SQL_DISPEN_bak.Text = Dilog.SelectedPath;   //返回选择的字符串
+            }
+        }
 
+        private void SQL_DISPEN_bak_TextChanged(object sender, TextChangedEventArgs e)
+        {
+            UserClass.IniFile.IniFiles Configini = new UserClass.IniFile.IniFiles(INIPath);
+            Configini.IniWritevalue("SQL_BAK", "S2", SQL_DISPEN_bak.Text);   //保存的配置
+        }
     }
 }