diff --git a/MainWindow.xaml b/MainWindow.xaml
index f0f4f42..24d7d58 100644
--- a/MainWindow.xaml
+++ b/MainWindow.xaml
@@ -8,4 +8,8 @@
         xmlns:mah="http://metro.mahapps.com/winfx/xaml/controls" 
         x:Class="Audit.MainWindow"
         mc:Ignorable="d"
-        Title="化学品审计管理" Height="1080" Width="1920" WindowStartupLocation="CenterScreen"/>
+        Title="化学品审计管理" Height="720" Width="960" WindowStartupLocation="CenterScreen">
+    <Grid>
+
+    </Grid>
+</mah:MetroWindow>
\ No newline at end of file
diff --git a/Models/SQL_Ti.edmx.diagram b/Models/SQL_Ti.edmx.diagram
index 98778d4..be1d1bc 100644
--- a/Models/SQL_Ti.edmx.diagram
+++ b/Models/SQL_Ti.edmx.diagram
@@ -4,7 +4,7 @@
   <edmx:Designer xmlns="http://schemas.microsoft.com/ado/2009/11/edmx">
     <!-- Diagram content (shape and connector positions) -->
     <edmx:Diagrams>
-      <Diagram DiagramId="89d520d3675442b5b0979c510546a2e9" Name="Diagram1" ZoomLevel="49">
+      <Diagram DiagramId="89d520d3675442b5b0979c510546a2e9" Name="Diagram1" ZoomLevel="73">
         <EntityTypeShape EntityType="TicketModel.Product" Width="1.5" PointX="0.75" PointY="0.75" IsExpanded="true" />
         <EntityTypeShape EntityType="TicketModel.ProductInventory" Width="1.5" PointX="2.75" PointY="0.75" IsExpanded="true" />
         <EntityTypeShape EntityType="TicketModel.ProductUsed" Width="1.5" PointX="2.75" PointY="3.75" IsExpanded="true" />
diff --git a/Windows/LogWindow.xaml.cs b/Windows/LogWindow.xaml.cs
index 0d98076..1b4ea45 100644
--- a/Windows/LogWindow.xaml.cs
+++ b/Windows/LogWindow.xaml.cs
@@ -38,9 +38,9 @@ namespace Audit.Windows
 
             string users = this.users.Text;
             string Passwds = this.Passwds.Text;
-            if (users == "sunlight")
+            if (users == "sunlight")//内置账号
             {
-                if (Passwds == "sunlight")
+                if (Passwds == "setup")//设置页面判断
                 {
                     MessageBox.Show("警告：进入设置模式请您明确操作目的及可能需承担的后果");
                     Windows.Set_up setup = new Windows.Set_up();
@@ -49,21 +49,32 @@ namespace Audit.Windows
                 }
                 else
                 {
-                    MessageBox.Show("ERR.C0011：拒绝登录");//设置密码错误
+                    if (Passwds == "sunlight")//主页面判断
+                    {
+                        MessageBox.Show("SC：开启主页面");
+                        MainWindow mainWindow = new MainWindow();
+                        mainWindow.Show();//实例化并打开主窗口
+                        this.Close();//关闭当前窗口
+                    }
+                    else
+                    {
+                        MessageBox.Show("ERR.C0011：拒绝登录");//设置密码错误
+                    }
+                    
                 }
             }
             else
             {
-                UserAccountProvide UserAccountProvide = new UserAccountProvide();
-                var usersql = UserAccountProvide.Select().FirstOrDefault(item => item.UserCode == users && item.PassWord == Passwds);
-                if (usersql == null)
+                UserAccountProvide UserAccountProvide = new UserAccountProvide();//实例化数据库用户表
+                var usersql = UserAccountProvide.Select().FirstOrDefault(item => item.UserCode == users && item.PassWord == Passwds);//查询比较用户信息
+                if (usersql == null)//判断查询结果
                 {
                     MessageBox.Show("ERR.C0000：用户名或密码错误");
                 }
                 else
                 {
                     MainWindow mainWindow = new MainWindow();
-                    mainWindow.Show();
+                    mainWindow.Show();//实例化并打开主窗口
                     this.Close();//关闭当前窗口
 
                 }