diff --git a/Models/SQL_Ti.edmx.diagram b/Models/SQL_Ti.edmx.diagram
index a6ebfbe..98778d4 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="70">
+      <Diagram DiagramId="89d520d3675442b5b0979c510546a2e9" Name="Diagram1" ZoomLevel="49">
         <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/Models/UserAccountProvide.cs b/Models/UserAccountProvide.cs
index a7519ce..d5ffb8c 100644
--- a/Models/UserAccountProvide.cs
+++ b/Models/UserAccountProvide.cs
@@ -8,6 +8,8 @@ namespace Models
 {
     public class UserAccountProvide : IProvider<UserAccount>
     {
+        private TicketEntities db = new TicketEntities();
+
         public int Delete(UserAccount t)
         {
             throw new NotImplementedException();
@@ -20,7 +22,7 @@ namespace Models
 
         public List<UserAccount> Select()
         {
-            throw new NotImplementedException();
+            return db.UserAccount.ToList();
         }
 
         public int Update(UserAccount t)
diff --git a/ViewModel/LogViewModel.cs b/ViewModel/LogViewModel.cs
index ca2d558..0f2fecd 100644
--- a/ViewModel/LogViewModel.cs
+++ b/ViewModel/LogViewModel.cs
@@ -12,23 +12,19 @@ namespace Audit.ViewModel
 {
     public class LogViewModel : ViewModelBase
     {
-        public UserAccount UserAccount { get; set; } = AuditData.Instance.UserAccount;
+ //       public UserAccount UserAccount { get; private set; } = AuditData.Instance.UserAccount;
 
-        private RelayCommand logCommand;
-        public RelayCommand LogCommand 
+      //登录命令绑定  
+/*        public RelayCommand LogCommand 
         {
-            get { return logCommand; }
-            set { logCommand = value; }
-        }
-
-        public LogViewModel()
-        {
-         
-            logCommand = new RelayCommand(() => 
+            get 
             {
-                MessageBox.Show("成功");
-
-            });
+                return new RelayCommand(() =>
+                {
+                   
+                });
+            }
         }
+*/
     }
 }
diff --git a/Windows/LogWindow.xaml.cs b/Windows/LogWindow.xaml.cs
index 2701cc9..9e86a45 100644
--- a/Windows/LogWindow.xaml.cs
+++ b/Windows/LogWindow.xaml.cs
@@ -1,4 +1,6 @@
-using MahApps.Metro.Controls;
+using GalaSoft.MvvmLight.Command;
+using MahApps.Metro.Controls;
+using Models;
 using System;
 using System.Collections.Generic;
 using System.Linq;
@@ -24,19 +26,17 @@ namespace Audit.Windows
         {
             InitializeComponent();
         }
-    
+
         private void Exit(object sender, RoutedEventArgs e)//退出按钮
         {
             Application.Current.Shutdown();//关闭窗口
         }
 
         private void Log(object sender, RoutedEventArgs e)//登录按钮
-        {
-            string user = this.users.Text;
-            string passwd = this.Passwds.Text;
-            if (user == "setup")
+        {  
+            if (this.users.Text == "sunlight")
             {
-                if (passwd == "setup")
+                if (this.Passwds.Text == "sunlight")
                 {
                     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();
@@ -45,12 +45,26 @@ namespace Audit.Windows
                 }
                 else
                 {
-                    MessageBox.Show("ERR01:拒绝认证");//设置密码错误
+                    MessageBox.Show("ERR.01:拒绝登录");//设置密码错误
                 }
             }
             else
             {
-                
+                UserAccountProvide UserAccountProvide = new UserAccountProvide();
+                var user = UserAccountProvide.Select()
+                .FirstOrDefault(item => item.UserCode == AuditData.Instance.UserAccount.UserCode 
+                && item.PassWord == AuditData.Instance.UserAccount.PassWord);
+
+                if (user == null)
+                {
+                    MessageBox.Show("ERR.00:用户名或密码错误");
+                }
+                else
+                {
+                    MainWindow mainWindow = new MainWindow();
+                    mainWindow.Show();
+                    this.Close();
+                }
             }
         }
     }