diff --git a/.idea/.idea.SubCabinetSolution/.idea/encodings.xml b/.idea/.idea.SubCabinetSolution/.idea/encodings.xml
index df87cf9..56cd6ed 100644
--- a/.idea/.idea.SubCabinetSolution/.idea/encodings.xml
+++ b/.idea/.idea.SubCabinetSolution/.idea/encodings.xml
@@ -1,4 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="Encoding" addBOMForNewFiles="with BOM under Windows, with no BOM otherwise" />
+  <component name="Encoding" addBOMForNewFiles="with BOM under Windows, with no BOM otherwise">
+    <file url="file://$PROJECT_DIR$/SubCabinetSolution/ViewModel/ViewModelLocator.cs" charset="GBK" />
+  </component>
 </project>
\ No newline at end of file

diff --git a/.idea/.idea.SubCabinetSolution/.idea/encodings.xml b/.idea/.idea.SubCabinetSolution/.idea/encodings.xml
index df87cf9..56cd6ed 100644
--- a/.idea/.idea.SubCabinetSolution/.idea/encodings.xml
+++ b/.idea/.idea.SubCabinetSolution/.idea/encodings.xml
@@ -1,4 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="Encoding" addBOMForNewFiles="with BOM under Windows, with no BOM otherwise" />
+  <component name="Encoding" addBOMForNewFiles="with BOM under Windows, with no BOM otherwise">
+    <file url="file://$PROJECT_DIR$/SubCabinetSolution/ViewModel/ViewModelLocator.cs" charset="GBK" />
+  </component>
 </project>
\ No newline at end of file
diff --git a/.vs/SubCabinetSolution/v17/.suo b/.vs/SubCabinetSolution/v17/.suo
index 0898120..05cca62 100644
--- a/.vs/SubCabinetSolution/v17/.suo
+++ b/.vs/SubCabinetSolution/v17/.suo
Binary files differ

diff --git a/.idea/.idea.SubCabinetSolution/.idea/encodings.xml b/.idea/.idea.SubCabinetSolution/.idea/encodings.xml
index df87cf9..56cd6ed 100644
--- a/.idea/.idea.SubCabinetSolution/.idea/encodings.xml
+++ b/.idea/.idea.SubCabinetSolution/.idea/encodings.xml
@@ -1,4 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="Encoding" addBOMForNewFiles="with BOM under Windows, with no BOM otherwise" />
+  <component name="Encoding" addBOMForNewFiles="with BOM under Windows, with no BOM otherwise">
+    <file url="file://$PROJECT_DIR$/SubCabinetSolution/ViewModel/ViewModelLocator.cs" charset="GBK" />
+  </component>
 </project>
\ No newline at end of file
diff --git a/.vs/SubCabinetSolution/v17/.suo b/.vs/SubCabinetSolution/v17/.suo
index 0898120..05cca62 100644
--- a/.vs/SubCabinetSolution/v17/.suo
+++ b/.vs/SubCabinetSolution/v17/.suo
Binary files differ
diff --git a/SubCabinetSolution/App.xaml b/SubCabinetSolution/App.xaml
index 3cf9003..45fee79 100644
--- a/SubCabinetSolution/App.xaml
+++ b/SubCabinetSolution/App.xaml
@@ -1,9 +1,15 @@
-<Application x:Class="SubCabinetSolution.App"
-             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
-             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-             xmlns:local="clr-namespace:SubCabinetSolution"
-             StartupUri="MainWindow.xaml">
+<Application
+    x:Class="SubCabinetSolution.App"
+    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+    xmlns:d1p1="http://schemas.openxmlformats.org/markup-compatibility/2006"
+    xmlns:vm="clr-namespace:SubCabinetSolution.ViewModel"
+    d1p1:Ignorable="d"
+    StartupUri="MainWindow.xaml">
     <Application.Resources>
-         
+        <ResourceDictionary>
+            <vm:ViewModelLocator x:Key="Locator" d:IsDataSource="True" />
+        </ResourceDictionary>
     </Application.Resources>
-</Application>
+</Application>
\ No newline at end of file

diff --git a/.idea/.idea.SubCabinetSolution/.idea/encodings.xml b/.idea/.idea.SubCabinetSolution/.idea/encodings.xml
index df87cf9..56cd6ed 100644
--- a/.idea/.idea.SubCabinetSolution/.idea/encodings.xml
+++ b/.idea/.idea.SubCabinetSolution/.idea/encodings.xml
@@ -1,4 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="Encoding" addBOMForNewFiles="with BOM under Windows, with no BOM otherwise" />
+  <component name="Encoding" addBOMForNewFiles="with BOM under Windows, with no BOM otherwise">
+    <file url="file://$PROJECT_DIR$/SubCabinetSolution/ViewModel/ViewModelLocator.cs" charset="GBK" />
+  </component>
 </project>
\ No newline at end of file
diff --git a/.vs/SubCabinetSolution/v17/.suo b/.vs/SubCabinetSolution/v17/.suo
index 0898120..05cca62 100644
--- a/.vs/SubCabinetSolution/v17/.suo
+++ b/.vs/SubCabinetSolution/v17/.suo
Binary files differ
diff --git a/SubCabinetSolution/App.xaml b/SubCabinetSolution/App.xaml
index 3cf9003..45fee79 100644
--- a/SubCabinetSolution/App.xaml
+++ b/SubCabinetSolution/App.xaml
@@ -1,9 +1,15 @@
-<Application x:Class="SubCabinetSolution.App"
-             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
-             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-             xmlns:local="clr-namespace:SubCabinetSolution"
-             StartupUri="MainWindow.xaml">
+<Application
+    x:Class="SubCabinetSolution.App"
+    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+    xmlns:d1p1="http://schemas.openxmlformats.org/markup-compatibility/2006"
+    xmlns:vm="clr-namespace:SubCabinetSolution.ViewModel"
+    d1p1:Ignorable="d"
+    StartupUri="MainWindow.xaml">
     <Application.Resources>
-         
+        <ResourceDictionary>
+            <vm:ViewModelLocator x:Key="Locator" d:IsDataSource="True" />
+        </ResourceDictionary>
     </Application.Resources>
-</Application>
+</Application>
\ No newline at end of file
diff --git a/SubCabinetSolution/MainWindow.xaml b/SubCabinetSolution/MainWindow.xaml
index 18bdf0d..0e5725f 100644
--- a/SubCabinetSolution/MainWindow.xaml
+++ b/SubCabinetSolution/MainWindow.xaml
@@ -15,6 +15,10 @@
     WindowStyle="None"
     mc:Ignorable="d">
 
+    <Window.DataContext>
+        <Binding Path="MainWindow" Source="{StaticResource Locator}" />
+    </Window.DataContext>
+
     <Window.Resources>
         <Style x:Key="UserDefineButtonStyle" TargetType="Button">
             <Setter Property="Width" Value="200" />

diff --git a/.idea/.idea.SubCabinetSolution/.idea/encodings.xml b/.idea/.idea.SubCabinetSolution/.idea/encodings.xml
index df87cf9..56cd6ed 100644
--- a/.idea/.idea.SubCabinetSolution/.idea/encodings.xml
+++ b/.idea/.idea.SubCabinetSolution/.idea/encodings.xml
@@ -1,4 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="Encoding" addBOMForNewFiles="with BOM under Windows, with no BOM otherwise" />
+  <component name="Encoding" addBOMForNewFiles="with BOM under Windows, with no BOM otherwise">
+    <file url="file://$PROJECT_DIR$/SubCabinetSolution/ViewModel/ViewModelLocator.cs" charset="GBK" />
+  </component>
 </project>
\ No newline at end of file
diff --git a/.vs/SubCabinetSolution/v17/.suo b/.vs/SubCabinetSolution/v17/.suo
index 0898120..05cca62 100644
--- a/.vs/SubCabinetSolution/v17/.suo
+++ b/.vs/SubCabinetSolution/v17/.suo
Binary files differ
diff --git a/SubCabinetSolution/App.xaml b/SubCabinetSolution/App.xaml
index 3cf9003..45fee79 100644
--- a/SubCabinetSolution/App.xaml
+++ b/SubCabinetSolution/App.xaml
@@ -1,9 +1,15 @@
-<Application x:Class="SubCabinetSolution.App"
-             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
-             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-             xmlns:local="clr-namespace:SubCabinetSolution"
-             StartupUri="MainWindow.xaml">
+<Application
+    x:Class="SubCabinetSolution.App"
+    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+    xmlns:d1p1="http://schemas.openxmlformats.org/markup-compatibility/2006"
+    xmlns:vm="clr-namespace:SubCabinetSolution.ViewModel"
+    d1p1:Ignorable="d"
+    StartupUri="MainWindow.xaml">
     <Application.Resources>
-         
+        <ResourceDictionary>
+            <vm:ViewModelLocator x:Key="Locator" d:IsDataSource="True" />
+        </ResourceDictionary>
     </Application.Resources>
-</Application>
+</Application>
\ No newline at end of file
diff --git a/SubCabinetSolution/MainWindow.xaml b/SubCabinetSolution/MainWindow.xaml
index 18bdf0d..0e5725f 100644
--- a/SubCabinetSolution/MainWindow.xaml
+++ b/SubCabinetSolution/MainWindow.xaml
@@ -15,6 +15,10 @@
     WindowStyle="None"
     mc:Ignorable="d">
 
+    <Window.DataContext>
+        <Binding Path="MainWindow" Source="{StaticResource Locator}" />
+    </Window.DataContext>
+
     <Window.Resources>
         <Style x:Key="UserDefineButtonStyle" TargetType="Button">
             <Setter Property="Width" Value="200" />
diff --git a/SubCabinetSolution/MainWindow.xaml.cs b/SubCabinetSolution/MainWindow.xaml.cs
index 2b8b93f..bd57083 100644
--- a/SubCabinetSolution/MainWindow.xaml.cs
+++ b/SubCabinetSolution/MainWindow.xaml.cs
@@ -1,6 +1,4 @@
-using SubCabinetSolution.ViewModel;
-
-namespace SubCabinetSolution
+namespace SubCabinetSolution
 {
     /// <summary>
     /// Interaction logic for MainWindow.xaml
@@ -10,7 +8,6 @@
         public MainWindow()
         {
             InitializeComponent();
-            this.DataContext = new MainViewModel();
         }
     }
 }
\ No newline at end of file

diff --git a/.idea/.idea.SubCabinetSolution/.idea/encodings.xml b/.idea/.idea.SubCabinetSolution/.idea/encodings.xml
index df87cf9..56cd6ed 100644
--- a/.idea/.idea.SubCabinetSolution/.idea/encodings.xml
+++ b/.idea/.idea.SubCabinetSolution/.idea/encodings.xml
@@ -1,4 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="Encoding" addBOMForNewFiles="with BOM under Windows, with no BOM otherwise" />
+  <component name="Encoding" addBOMForNewFiles="with BOM under Windows, with no BOM otherwise">
+    <file url="file://$PROJECT_DIR$/SubCabinetSolution/ViewModel/ViewModelLocator.cs" charset="GBK" />
+  </component>
 </project>
\ No newline at end of file
diff --git a/.vs/SubCabinetSolution/v17/.suo b/.vs/SubCabinetSolution/v17/.suo
index 0898120..05cca62 100644
--- a/.vs/SubCabinetSolution/v17/.suo
+++ b/.vs/SubCabinetSolution/v17/.suo
Binary files differ
diff --git a/SubCabinetSolution/App.xaml b/SubCabinetSolution/App.xaml
index 3cf9003..45fee79 100644
--- a/SubCabinetSolution/App.xaml
+++ b/SubCabinetSolution/App.xaml
@@ -1,9 +1,15 @@
-<Application x:Class="SubCabinetSolution.App"
-             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
-             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-             xmlns:local="clr-namespace:SubCabinetSolution"
-             StartupUri="MainWindow.xaml">
+<Application
+    x:Class="SubCabinetSolution.App"
+    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+    xmlns:d1p1="http://schemas.openxmlformats.org/markup-compatibility/2006"
+    xmlns:vm="clr-namespace:SubCabinetSolution.ViewModel"
+    d1p1:Ignorable="d"
+    StartupUri="MainWindow.xaml">
     <Application.Resources>
-         
+        <ResourceDictionary>
+            <vm:ViewModelLocator x:Key="Locator" d:IsDataSource="True" />
+        </ResourceDictionary>
     </Application.Resources>
-</Application>
+</Application>
\ No newline at end of file
diff --git a/SubCabinetSolution/MainWindow.xaml b/SubCabinetSolution/MainWindow.xaml
index 18bdf0d..0e5725f 100644
--- a/SubCabinetSolution/MainWindow.xaml
+++ b/SubCabinetSolution/MainWindow.xaml
@@ -15,6 +15,10 @@
     WindowStyle="None"
     mc:Ignorable="d">
 
+    <Window.DataContext>
+        <Binding Path="MainWindow" Source="{StaticResource Locator}" />
+    </Window.DataContext>
+
     <Window.Resources>
         <Style x:Key="UserDefineButtonStyle" TargetType="Button">
             <Setter Property="Width" Value="200" />
diff --git a/SubCabinetSolution/MainWindow.xaml.cs b/SubCabinetSolution/MainWindow.xaml.cs
index 2b8b93f..bd57083 100644
--- a/SubCabinetSolution/MainWindow.xaml.cs
+++ b/SubCabinetSolution/MainWindow.xaml.cs
@@ -1,6 +1,4 @@
-using SubCabinetSolution.ViewModel;
-
-namespace SubCabinetSolution
+namespace SubCabinetSolution
 {
     /// <summary>
     /// Interaction logic for MainWindow.xaml
@@ -10,7 +8,6 @@
         public MainWindow()
         {
             InitializeComponent();
-            this.DataContext = new MainViewModel();
         }
     }
 }
\ No newline at end of file
diff --git a/SubCabinetSolution/SubCabinetSolution.csproj b/SubCabinetSolution/SubCabinetSolution.csproj
index a41311f..071c84d 100644
--- a/SubCabinetSolution/SubCabinetSolution.csproj
+++ b/SubCabinetSolution/SubCabinetSolution.csproj
@@ -156,13 +156,18 @@
     <Compile Include="Utils\DataBaseManager.cs" />
     <Compile Include="Utils\HttpRequestHandler.cs" />
     <Compile Include="Utils\LocalConstant.cs" />
+    <Compile Include="Utils\NavigationService.cs" />
     <Compile Include="Utils\PasswordBindingHelper.cs" />
     <Compile Include="ViewModel\CabinetViewModel.cs" />
+    <Compile Include="ViewModel\InquirePageViewModel.cs" />
     <Compile Include="ViewModel\MainViewModel.cs" />
     <Compile Include="ViewModel\ViewModelLocator.cs" />
     <Compile Include="Views\CabinetWindow.xaml.cs">
       <DependentUpon>CabinetWindow.xaml</DependentUpon>
     </Compile>
+    <Compile Include="Views\InquirePage.xaml.cs">
+      <DependentUpon>InquirePage.xaml</DependentUpon>
+    </Compile>
     <Page Include="MainWindow.xaml">
       <Generator>MSBuild:Compile</Generator>
       <SubType>Designer</SubType>
@@ -176,6 +181,10 @@
       <SubType>Code</SubType>
     </Compile>
     <Page Include="Views\CabinetWindow.xaml" />
+    <Page Include="Views\InquirePage.xaml">
+      <SubType>Designer</SubType>
+      <Generator>MSBuild:Compile</Generator>
+    </Page>
   </ItemGroup>
   <ItemGroup>
     <Compile Include="Properties\AssemblyInfo.cs">

diff --git a/.idea/.idea.SubCabinetSolution/.idea/encodings.xml b/.idea/.idea.SubCabinetSolution/.idea/encodings.xml
index df87cf9..56cd6ed 100644
--- a/.idea/.idea.SubCabinetSolution/.idea/encodings.xml
+++ b/.idea/.idea.SubCabinetSolution/.idea/encodings.xml
@@ -1,4 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="Encoding" addBOMForNewFiles="with BOM under Windows, with no BOM otherwise" />
+  <component name="Encoding" addBOMForNewFiles="with BOM under Windows, with no BOM otherwise">
+    <file url="file://$PROJECT_DIR$/SubCabinetSolution/ViewModel/ViewModelLocator.cs" charset="GBK" />
+  </component>
 </project>
\ No newline at end of file
diff --git a/.vs/SubCabinetSolution/v17/.suo b/.vs/SubCabinetSolution/v17/.suo
index 0898120..05cca62 100644
--- a/.vs/SubCabinetSolution/v17/.suo
+++ b/.vs/SubCabinetSolution/v17/.suo
Binary files differ
diff --git a/SubCabinetSolution/App.xaml b/SubCabinetSolution/App.xaml
index 3cf9003..45fee79 100644
--- a/SubCabinetSolution/App.xaml
+++ b/SubCabinetSolution/App.xaml
@@ -1,9 +1,15 @@
-<Application x:Class="SubCabinetSolution.App"
-             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
-             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-             xmlns:local="clr-namespace:SubCabinetSolution"
-             StartupUri="MainWindow.xaml">
+<Application
+    x:Class="SubCabinetSolution.App"
+    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+    xmlns:d1p1="http://schemas.openxmlformats.org/markup-compatibility/2006"
+    xmlns:vm="clr-namespace:SubCabinetSolution.ViewModel"
+    d1p1:Ignorable="d"
+    StartupUri="MainWindow.xaml">
     <Application.Resources>
-         
+        <ResourceDictionary>
+            <vm:ViewModelLocator x:Key="Locator" d:IsDataSource="True" />
+        </ResourceDictionary>
     </Application.Resources>
-</Application>
+</Application>
\ No newline at end of file
diff --git a/SubCabinetSolution/MainWindow.xaml b/SubCabinetSolution/MainWindow.xaml
index 18bdf0d..0e5725f 100644
--- a/SubCabinetSolution/MainWindow.xaml
+++ b/SubCabinetSolution/MainWindow.xaml
@@ -15,6 +15,10 @@
     WindowStyle="None"
     mc:Ignorable="d">
 
+    <Window.DataContext>
+        <Binding Path="MainWindow" Source="{StaticResource Locator}" />
+    </Window.DataContext>
+
     <Window.Resources>
         <Style x:Key="UserDefineButtonStyle" TargetType="Button">
             <Setter Property="Width" Value="200" />
diff --git a/SubCabinetSolution/MainWindow.xaml.cs b/SubCabinetSolution/MainWindow.xaml.cs
index 2b8b93f..bd57083 100644
--- a/SubCabinetSolution/MainWindow.xaml.cs
+++ b/SubCabinetSolution/MainWindow.xaml.cs
@@ -1,6 +1,4 @@
-using SubCabinetSolution.ViewModel;
-
-namespace SubCabinetSolution
+namespace SubCabinetSolution
 {
     /// <summary>
     /// Interaction logic for MainWindow.xaml
@@ -10,7 +8,6 @@
         public MainWindow()
         {
             InitializeComponent();
-            this.DataContext = new MainViewModel();
         }
     }
 }
\ No newline at end of file
diff --git a/SubCabinetSolution/SubCabinetSolution.csproj b/SubCabinetSolution/SubCabinetSolution.csproj
index a41311f..071c84d 100644
--- a/SubCabinetSolution/SubCabinetSolution.csproj
+++ b/SubCabinetSolution/SubCabinetSolution.csproj
@@ -156,13 +156,18 @@
     <Compile Include="Utils\DataBaseManager.cs" />
     <Compile Include="Utils\HttpRequestHandler.cs" />
     <Compile Include="Utils\LocalConstant.cs" />
+    <Compile Include="Utils\NavigationService.cs" />
     <Compile Include="Utils\PasswordBindingHelper.cs" />
     <Compile Include="ViewModel\CabinetViewModel.cs" />
+    <Compile Include="ViewModel\InquirePageViewModel.cs" />
     <Compile Include="ViewModel\MainViewModel.cs" />
     <Compile Include="ViewModel\ViewModelLocator.cs" />
     <Compile Include="Views\CabinetWindow.xaml.cs">
       <DependentUpon>CabinetWindow.xaml</DependentUpon>
     </Compile>
+    <Compile Include="Views\InquirePage.xaml.cs">
+      <DependentUpon>InquirePage.xaml</DependentUpon>
+    </Compile>
     <Page Include="MainWindow.xaml">
       <Generator>MSBuild:Compile</Generator>
       <SubType>Designer</SubType>
@@ -176,6 +181,10 @@
       <SubType>Code</SubType>
     </Compile>
     <Page Include="Views\CabinetWindow.xaml" />
+    <Page Include="Views\InquirePage.xaml">
+      <SubType>Designer</SubType>
+      <Generator>MSBuild:Compile</Generator>
+    </Page>
   </ItemGroup>
   <ItemGroup>
     <Compile Include="Properties\AssemblyInfo.cs">
diff --git a/SubCabinetSolution/Utils/NavigationService.cs b/SubCabinetSolution/Utils/NavigationService.cs
new file mode 100644
index 0000000..935a7fa
--- /dev/null
+++ b/SubCabinetSolution/Utils/NavigationService.cs
@@ -0,0 +1,125 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Media;
+using GalaSoft.MvvmLight;
+using GalaSoft.MvvmLight.Views;
+using SubCabinetSolution.Views;
+
+namespace SubCabinetSolution.Utils
+{
+    public class NavigationService : ViewModelBase, INavigationService
+    {
+        private readonly Dictionary<string, Uri> _pagesByKey;
+        private readonly List<string> _historic;
+        private string _currentPageKey;
+
+        #region Properties
+
+        public string CurrentPageKey
+        {
+            get { return _currentPageKey; }
+
+            private set { Set(() => CurrentPageKey, ref _currentPageKey, value); }
+        }
+
+        public object Parameter { get; private set; }
+
+        #endregion
+
+        #region Ctors and Methods
+
+        public NavigationService()
+        {
+            _pagesByKey = new Dictionary<string, Uri>();
+            _historic = new List<string>();
+        }
+
+        public void GoBack()
+        {
+            if (_historic.Count <= 1) return;
+            _historic.RemoveAt(_historic.Count - 1);
+
+            NavigateTo(_historic.Last(), "Back");
+        }
+
+        public void NavigateTo(string pageKey)
+        {
+            NavigateTo(pageKey, "Next");
+        }
+
+        public virtual void NavigateTo(string pageKey, object parameter)
+        {
+            lock (_pagesByKey)
+            {
+                if (!_pagesByKey.ContainsKey(pageKey))
+                {
+                    throw new ArgumentException($"No such page: {pageKey} ", nameof(pageKey));
+                }
+
+                // 设置应用主窗口，name要注意和xaml保持一致
+                CabinetWindow cabinetWindow = Application.Current.Windows
+                    .Cast<Window>()
+                    .FirstOrDefault(window => window is CabinetWindow) as CabinetWindow;
+                if (GetDescendantFromName(cabinetWindow, "CabinetFunctionFrame") is Frame frame)
+                {
+                    frame.Source = _pagesByKey[pageKey];
+                }
+
+                Parameter = parameter;
+                if (parameter.ToString().Equals("Next"))
+                {
+                    _historic.Add(pageKey);
+                }
+
+                CurrentPageKey = pageKey;
+            }
+        }
+
+        public void Configure(string key, Uri pageType)
+        {
+            lock (_pagesByKey)
+            {
+                if (_pagesByKey.ContainsKey(key))
+                {
+                    _pagesByKey[key] = pageType;
+                }
+                else
+                {
+                    _pagesByKey.Add(key, pageType);
+                }
+            }
+        }
+
+        private static FrameworkElement GetDescendantFromName(DependencyObject parent, string name)
+        {
+            var count = VisualTreeHelper.GetChildrenCount(parent);
+
+            if (count < 1)
+            {
+                return null;
+            }
+
+            for (var i = 0; i < count; i++)
+            {
+                if (!(VisualTreeHelper.GetChild(parent, i) is FrameworkElement frameworkElement)) continue;
+                if (frameworkElement.Name == name)
+                {
+                    return frameworkElement;
+                }
+
+                frameworkElement = GetDescendantFromName(frameworkElement, name);
+                if (frameworkElement != null)
+                {
+                    return frameworkElement;
+                }
+            }
+
+            return null;
+        }
+
+        #endregion
+    }
+}
\ No newline at end of file

diff --git a/.idea/.idea.SubCabinetSolution/.idea/encodings.xml b/.idea/.idea.SubCabinetSolution/.idea/encodings.xml
index df87cf9..56cd6ed 100644
--- a/.idea/.idea.SubCabinetSolution/.idea/encodings.xml
+++ b/.idea/.idea.SubCabinetSolution/.idea/encodings.xml
@@ -1,4 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="Encoding" addBOMForNewFiles="with BOM under Windows, with no BOM otherwise" />
+  <component name="Encoding" addBOMForNewFiles="with BOM under Windows, with no BOM otherwise">
+    <file url="file://$PROJECT_DIR$/SubCabinetSolution/ViewModel/ViewModelLocator.cs" charset="GBK" />
+  </component>
 </project>
\ No newline at end of file
diff --git a/.vs/SubCabinetSolution/v17/.suo b/.vs/SubCabinetSolution/v17/.suo
index 0898120..05cca62 100644
--- a/.vs/SubCabinetSolution/v17/.suo
+++ b/.vs/SubCabinetSolution/v17/.suo
Binary files differ
diff --git a/SubCabinetSolution/App.xaml b/SubCabinetSolution/App.xaml
index 3cf9003..45fee79 100644
--- a/SubCabinetSolution/App.xaml
+++ b/SubCabinetSolution/App.xaml
@@ -1,9 +1,15 @@
-<Application x:Class="SubCabinetSolution.App"
-             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
-             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-             xmlns:local="clr-namespace:SubCabinetSolution"
-             StartupUri="MainWindow.xaml">
+<Application
+    x:Class="SubCabinetSolution.App"
+    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+    xmlns:d1p1="http://schemas.openxmlformats.org/markup-compatibility/2006"
+    xmlns:vm="clr-namespace:SubCabinetSolution.ViewModel"
+    d1p1:Ignorable="d"
+    StartupUri="MainWindow.xaml">
     <Application.Resources>
-         
+        <ResourceDictionary>
+            <vm:ViewModelLocator x:Key="Locator" d:IsDataSource="True" />
+        </ResourceDictionary>
     </Application.Resources>
-</Application>
+</Application>
\ No newline at end of file
diff --git a/SubCabinetSolution/MainWindow.xaml b/SubCabinetSolution/MainWindow.xaml
index 18bdf0d..0e5725f 100644
--- a/SubCabinetSolution/MainWindow.xaml
+++ b/SubCabinetSolution/MainWindow.xaml
@@ -15,6 +15,10 @@
     WindowStyle="None"
     mc:Ignorable="d">
 
+    <Window.DataContext>
+        <Binding Path="MainWindow" Source="{StaticResource Locator}" />
+    </Window.DataContext>
+
     <Window.Resources>
         <Style x:Key="UserDefineButtonStyle" TargetType="Button">
             <Setter Property="Width" Value="200" />
diff --git a/SubCabinetSolution/MainWindow.xaml.cs b/SubCabinetSolution/MainWindow.xaml.cs
index 2b8b93f..bd57083 100644
--- a/SubCabinetSolution/MainWindow.xaml.cs
+++ b/SubCabinetSolution/MainWindow.xaml.cs
@@ -1,6 +1,4 @@
-using SubCabinetSolution.ViewModel;
-
-namespace SubCabinetSolution
+namespace SubCabinetSolution
 {
     /// <summary>
     /// Interaction logic for MainWindow.xaml
@@ -10,7 +8,6 @@
         public MainWindow()
         {
             InitializeComponent();
-            this.DataContext = new MainViewModel();
         }
     }
 }
\ No newline at end of file
diff --git a/SubCabinetSolution/SubCabinetSolution.csproj b/SubCabinetSolution/SubCabinetSolution.csproj
index a41311f..071c84d 100644
--- a/SubCabinetSolution/SubCabinetSolution.csproj
+++ b/SubCabinetSolution/SubCabinetSolution.csproj
@@ -156,13 +156,18 @@
     <Compile Include="Utils\DataBaseManager.cs" />
     <Compile Include="Utils\HttpRequestHandler.cs" />
     <Compile Include="Utils\LocalConstant.cs" />
+    <Compile Include="Utils\NavigationService.cs" />
     <Compile Include="Utils\PasswordBindingHelper.cs" />
     <Compile Include="ViewModel\CabinetViewModel.cs" />
+    <Compile Include="ViewModel\InquirePageViewModel.cs" />
     <Compile Include="ViewModel\MainViewModel.cs" />
     <Compile Include="ViewModel\ViewModelLocator.cs" />
     <Compile Include="Views\CabinetWindow.xaml.cs">
       <DependentUpon>CabinetWindow.xaml</DependentUpon>
     </Compile>
+    <Compile Include="Views\InquirePage.xaml.cs">
+      <DependentUpon>InquirePage.xaml</DependentUpon>
+    </Compile>
     <Page Include="MainWindow.xaml">
       <Generator>MSBuild:Compile</Generator>
       <SubType>Designer</SubType>
@@ -176,6 +181,10 @@
       <SubType>Code</SubType>
     </Compile>
     <Page Include="Views\CabinetWindow.xaml" />
+    <Page Include="Views\InquirePage.xaml">
+      <SubType>Designer</SubType>
+      <Generator>MSBuild:Compile</Generator>
+    </Page>
   </ItemGroup>
   <ItemGroup>
     <Compile Include="Properties\AssemblyInfo.cs">
diff --git a/SubCabinetSolution/Utils/NavigationService.cs b/SubCabinetSolution/Utils/NavigationService.cs
new file mode 100644
index 0000000..935a7fa
--- /dev/null
+++ b/SubCabinetSolution/Utils/NavigationService.cs
@@ -0,0 +1,125 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Media;
+using GalaSoft.MvvmLight;
+using GalaSoft.MvvmLight.Views;
+using SubCabinetSolution.Views;
+
+namespace SubCabinetSolution.Utils
+{
+    public class NavigationService : ViewModelBase, INavigationService
+    {
+        private readonly Dictionary<string, Uri> _pagesByKey;
+        private readonly List<string> _historic;
+        private string _currentPageKey;
+
+        #region Properties
+
+        public string CurrentPageKey
+        {
+            get { return _currentPageKey; }
+
+            private set { Set(() => CurrentPageKey, ref _currentPageKey, value); }
+        }
+
+        public object Parameter { get; private set; }
+
+        #endregion
+
+        #region Ctors and Methods
+
+        public NavigationService()
+        {
+            _pagesByKey = new Dictionary<string, Uri>();
+            _historic = new List<string>();
+        }
+
+        public void GoBack()
+        {
+            if (_historic.Count <= 1) return;
+            _historic.RemoveAt(_historic.Count - 1);
+
+            NavigateTo(_historic.Last(), "Back");
+        }
+
+        public void NavigateTo(string pageKey)
+        {
+            NavigateTo(pageKey, "Next");
+        }
+
+        public virtual void NavigateTo(string pageKey, object parameter)
+        {
+            lock (_pagesByKey)
+            {
+                if (!_pagesByKey.ContainsKey(pageKey))
+                {
+                    throw new ArgumentException($"No such page: {pageKey} ", nameof(pageKey));
+                }
+
+                // 设置应用主窗口，name要注意和xaml保持一致
+                CabinetWindow cabinetWindow = Application.Current.Windows
+                    .Cast<Window>()
+                    .FirstOrDefault(window => window is CabinetWindow) as CabinetWindow;
+                if (GetDescendantFromName(cabinetWindow, "CabinetFunctionFrame") is Frame frame)
+                {
+                    frame.Source = _pagesByKey[pageKey];
+                }
+
+                Parameter = parameter;
+                if (parameter.ToString().Equals("Next"))
+                {
+                    _historic.Add(pageKey);
+                }
+
+                CurrentPageKey = pageKey;
+            }
+        }
+
+        public void Configure(string key, Uri pageType)
+        {
+            lock (_pagesByKey)
+            {
+                if (_pagesByKey.ContainsKey(key))
+                {
+                    _pagesByKey[key] = pageType;
+                }
+                else
+                {
+                    _pagesByKey.Add(key, pageType);
+                }
+            }
+        }
+
+        private static FrameworkElement GetDescendantFromName(DependencyObject parent, string name)
+        {
+            var count = VisualTreeHelper.GetChildrenCount(parent);
+
+            if (count < 1)
+            {
+                return null;
+            }
+
+            for (var i = 0; i < count; i++)
+            {
+                if (!(VisualTreeHelper.GetChild(parent, i) is FrameworkElement frameworkElement)) continue;
+                if (frameworkElement.Name == name)
+                {
+                    return frameworkElement;
+                }
+
+                frameworkElement = GetDescendantFromName(frameworkElement, name);
+                if (frameworkElement != null)
+                {
+                    return frameworkElement;
+                }
+            }
+
+            return null;
+        }
+
+        #endregion
+    }
+}
\ No newline at end of file
diff --git a/SubCabinetSolution/ViewModel/CabinetViewModel.cs b/SubCabinetSolution/ViewModel/CabinetViewModel.cs
index b83489c..00d5e78 100644
--- a/SubCabinetSolution/ViewModel/CabinetViewModel.cs
+++ b/SubCabinetSolution/ViewModel/CabinetViewModel.cs
@@ -1,10 +1,11 @@
 using System;
 using System.Collections.Generic;
-using System.Diagnostics;
 using System.Windows;
 using System.Windows.Threading;
+using CommonServiceLocator;
 using GalaSoft.MvvmLight;
 using GalaSoft.MvvmLight.Command;
+using GalaSoft.MvvmLight.Views;
 using SubCabinetSolution.Model;
 using SubCabinetSolution.Views;
 
@@ -29,8 +30,9 @@
         public List<FunctionModel> FunctionModelList { get; set; }
         public List<FunctionModel> SettingsModelList { get; set; }
         public RelayCommand<object> FuncSelectedCommand { get; set; }
-        
-        public string MainTopTitle {
+
+        public string MainTopTitle
+        {
             get { return _mainTopTitle; }
             set
             {
@@ -38,9 +40,11 @@
                 RaisePropertyChanged(() => MainTopTitle);
             }
         }
+
         private string _mainTopTitle;
 
-        public string MainTopImage {
+        public string MainTopImage
+        {
             get { return _mainTopImage; }
             set
             {
@@ -48,6 +52,7 @@
                 RaisePropertyChanged(() => MainTopImage);
             }
         }
+
         private string _mainTopImage;
 
         public string UserInputKeywords
@@ -59,6 +64,7 @@
                 RaisePropertyChanged(() => UserInputKeywords);
             }
         }
+
         private string _inputKeywords;
         public RelayCommand SearchDataCommand { get; set; }
 
@@ -122,6 +128,34 @@
 
             this.MainTopImage = functionModel.Image;
             this.MainTopTitle = functionModel.Title;
+            switch (functionModel.Title)
+            {
+                case "手术单领用":
+
+                    break;
+                case "归还":
+
+                    break;
+                case "紧急领用":
+
+                    break;
+                case "上架":
+
+                    break;
+                case "盘点":
+
+                    break;
+                case "退SPD库":
+
+                    break;
+                case "查询":
+                    INavigationService navigationService = ServiceLocator.Current.GetInstance<INavigationService>();
+                    navigationService.NavigateTo("InquirePage");
+                    break;
+                case "主页":
+
+                    break;
+            }
         }
 
         private void SearchData()

diff --git a/.idea/.idea.SubCabinetSolution/.idea/encodings.xml b/.idea/.idea.SubCabinetSolution/.idea/encodings.xml
index df87cf9..56cd6ed 100644
--- a/.idea/.idea.SubCabinetSolution/.idea/encodings.xml
+++ b/.idea/.idea.SubCabinetSolution/.idea/encodings.xml
@@ -1,4 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="Encoding" addBOMForNewFiles="with BOM under Windows, with no BOM otherwise" />
+  <component name="Encoding" addBOMForNewFiles="with BOM under Windows, with no BOM otherwise">
+    <file url="file://$PROJECT_DIR$/SubCabinetSolution/ViewModel/ViewModelLocator.cs" charset="GBK" />
+  </component>
 </project>
\ No newline at end of file
diff --git a/.vs/SubCabinetSolution/v17/.suo b/.vs/SubCabinetSolution/v17/.suo
index 0898120..05cca62 100644
--- a/.vs/SubCabinetSolution/v17/.suo
+++ b/.vs/SubCabinetSolution/v17/.suo
Binary files differ
diff --git a/SubCabinetSolution/App.xaml b/SubCabinetSolution/App.xaml
index 3cf9003..45fee79 100644
--- a/SubCabinetSolution/App.xaml
+++ b/SubCabinetSolution/App.xaml
@@ -1,9 +1,15 @@
-<Application x:Class="SubCabinetSolution.App"
-             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
-             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-             xmlns:local="clr-namespace:SubCabinetSolution"
-             StartupUri="MainWindow.xaml">
+<Application
+    x:Class="SubCabinetSolution.App"
+    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+    xmlns:d1p1="http://schemas.openxmlformats.org/markup-compatibility/2006"
+    xmlns:vm="clr-namespace:SubCabinetSolution.ViewModel"
+    d1p1:Ignorable="d"
+    StartupUri="MainWindow.xaml">
     <Application.Resources>
-         
+        <ResourceDictionary>
+            <vm:ViewModelLocator x:Key="Locator" d:IsDataSource="True" />
+        </ResourceDictionary>
     </Application.Resources>
-</Application>
+</Application>
\ No newline at end of file
diff --git a/SubCabinetSolution/MainWindow.xaml b/SubCabinetSolution/MainWindow.xaml
index 18bdf0d..0e5725f 100644
--- a/SubCabinetSolution/MainWindow.xaml
+++ b/SubCabinetSolution/MainWindow.xaml
@@ -15,6 +15,10 @@
     WindowStyle="None"
     mc:Ignorable="d">
 
+    <Window.DataContext>
+        <Binding Path="MainWindow" Source="{StaticResource Locator}" />
+    </Window.DataContext>
+
     <Window.Resources>
         <Style x:Key="UserDefineButtonStyle" TargetType="Button">
             <Setter Property="Width" Value="200" />
diff --git a/SubCabinetSolution/MainWindow.xaml.cs b/SubCabinetSolution/MainWindow.xaml.cs
index 2b8b93f..bd57083 100644
--- a/SubCabinetSolution/MainWindow.xaml.cs
+++ b/SubCabinetSolution/MainWindow.xaml.cs
@@ -1,6 +1,4 @@
-using SubCabinetSolution.ViewModel;
-
-namespace SubCabinetSolution
+namespace SubCabinetSolution
 {
     /// <summary>
     /// Interaction logic for MainWindow.xaml
@@ -10,7 +8,6 @@
         public MainWindow()
         {
             InitializeComponent();
-            this.DataContext = new MainViewModel();
         }
     }
 }
\ No newline at end of file
diff --git a/SubCabinetSolution/SubCabinetSolution.csproj b/SubCabinetSolution/SubCabinetSolution.csproj
index a41311f..071c84d 100644
--- a/SubCabinetSolution/SubCabinetSolution.csproj
+++ b/SubCabinetSolution/SubCabinetSolution.csproj
@@ -156,13 +156,18 @@
     <Compile Include="Utils\DataBaseManager.cs" />
     <Compile Include="Utils\HttpRequestHandler.cs" />
     <Compile Include="Utils\LocalConstant.cs" />
+    <Compile Include="Utils\NavigationService.cs" />
     <Compile Include="Utils\PasswordBindingHelper.cs" />
     <Compile Include="ViewModel\CabinetViewModel.cs" />
+    <Compile Include="ViewModel\InquirePageViewModel.cs" />
     <Compile Include="ViewModel\MainViewModel.cs" />
     <Compile Include="ViewModel\ViewModelLocator.cs" />
     <Compile Include="Views\CabinetWindow.xaml.cs">
       <DependentUpon>CabinetWindow.xaml</DependentUpon>
     </Compile>
+    <Compile Include="Views\InquirePage.xaml.cs">
+      <DependentUpon>InquirePage.xaml</DependentUpon>
+    </Compile>
     <Page Include="MainWindow.xaml">
       <Generator>MSBuild:Compile</Generator>
       <SubType>Designer</SubType>
@@ -176,6 +181,10 @@
       <SubType>Code</SubType>
     </Compile>
     <Page Include="Views\CabinetWindow.xaml" />
+    <Page Include="Views\InquirePage.xaml">
+      <SubType>Designer</SubType>
+      <Generator>MSBuild:Compile</Generator>
+    </Page>
   </ItemGroup>
   <ItemGroup>
     <Compile Include="Properties\AssemblyInfo.cs">
diff --git a/SubCabinetSolution/Utils/NavigationService.cs b/SubCabinetSolution/Utils/NavigationService.cs
new file mode 100644
index 0000000..935a7fa
--- /dev/null
+++ b/SubCabinetSolution/Utils/NavigationService.cs
@@ -0,0 +1,125 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Media;
+using GalaSoft.MvvmLight;
+using GalaSoft.MvvmLight.Views;
+using SubCabinetSolution.Views;
+
+namespace SubCabinetSolution.Utils
+{
+    public class NavigationService : ViewModelBase, INavigationService
+    {
+        private readonly Dictionary<string, Uri> _pagesByKey;
+        private readonly List<string> _historic;
+        private string _currentPageKey;
+
+        #region Properties
+
+        public string CurrentPageKey
+        {
+            get { return _currentPageKey; }
+
+            private set { Set(() => CurrentPageKey, ref _currentPageKey, value); }
+        }
+
+        public object Parameter { get; private set; }
+
+        #endregion
+
+        #region Ctors and Methods
+
+        public NavigationService()
+        {
+            _pagesByKey = new Dictionary<string, Uri>();
+            _historic = new List<string>();
+        }
+
+        public void GoBack()
+        {
+            if (_historic.Count <= 1) return;
+            _historic.RemoveAt(_historic.Count - 1);
+
+            NavigateTo(_historic.Last(), "Back");
+        }
+
+        public void NavigateTo(string pageKey)
+        {
+            NavigateTo(pageKey, "Next");
+        }
+
+        public virtual void NavigateTo(string pageKey, object parameter)
+        {
+            lock (_pagesByKey)
+            {
+                if (!_pagesByKey.ContainsKey(pageKey))
+                {
+                    throw new ArgumentException($"No such page: {pageKey} ", nameof(pageKey));
+                }
+
+                // 设置应用主窗口，name要注意和xaml保持一致
+                CabinetWindow cabinetWindow = Application.Current.Windows
+                    .Cast<Window>()
+                    .FirstOrDefault(window => window is CabinetWindow) as CabinetWindow;
+                if (GetDescendantFromName(cabinetWindow, "CabinetFunctionFrame") is Frame frame)
+                {
+                    frame.Source = _pagesByKey[pageKey];
+                }
+
+                Parameter = parameter;
+                if (parameter.ToString().Equals("Next"))
+                {
+                    _historic.Add(pageKey);
+                }
+
+                CurrentPageKey = pageKey;
+            }
+        }
+
+        public void Configure(string key, Uri pageType)
+        {
+            lock (_pagesByKey)
+            {
+                if (_pagesByKey.ContainsKey(key))
+                {
+                    _pagesByKey[key] = pageType;
+                }
+                else
+                {
+                    _pagesByKey.Add(key, pageType);
+                }
+            }
+        }
+
+        private static FrameworkElement GetDescendantFromName(DependencyObject parent, string name)
+        {
+            var count = VisualTreeHelper.GetChildrenCount(parent);
+
+            if (count < 1)
+            {
+                return null;
+            }
+
+            for (var i = 0; i < count; i++)
+            {
+                if (!(VisualTreeHelper.GetChild(parent, i) is FrameworkElement frameworkElement)) continue;
+                if (frameworkElement.Name == name)
+                {
+                    return frameworkElement;
+                }
+
+                frameworkElement = GetDescendantFromName(frameworkElement, name);
+                if (frameworkElement != null)
+                {
+                    return frameworkElement;
+                }
+            }
+
+            return null;
+        }
+
+        #endregion
+    }
+}
\ No newline at end of file
diff --git a/SubCabinetSolution/ViewModel/CabinetViewModel.cs b/SubCabinetSolution/ViewModel/CabinetViewModel.cs
index b83489c..00d5e78 100644
--- a/SubCabinetSolution/ViewModel/CabinetViewModel.cs
+++ b/SubCabinetSolution/ViewModel/CabinetViewModel.cs
@@ -1,10 +1,11 @@
 using System;
 using System.Collections.Generic;
-using System.Diagnostics;
 using System.Windows;
 using System.Windows.Threading;
+using CommonServiceLocator;
 using GalaSoft.MvvmLight;
 using GalaSoft.MvvmLight.Command;
+using GalaSoft.MvvmLight.Views;
 using SubCabinetSolution.Model;
 using SubCabinetSolution.Views;
 
@@ -29,8 +30,9 @@
         public List<FunctionModel> FunctionModelList { get; set; }
         public List<FunctionModel> SettingsModelList { get; set; }
         public RelayCommand<object> FuncSelectedCommand { get; set; }
-        
-        public string MainTopTitle {
+
+        public string MainTopTitle
+        {
             get { return _mainTopTitle; }
             set
             {
@@ -38,9 +40,11 @@
                 RaisePropertyChanged(() => MainTopTitle);
             }
         }
+
         private string _mainTopTitle;
 
-        public string MainTopImage {
+        public string MainTopImage
+        {
             get { return _mainTopImage; }
             set
             {
@@ -48,6 +52,7 @@
                 RaisePropertyChanged(() => MainTopImage);
             }
         }
+
         private string _mainTopImage;
 
         public string UserInputKeywords
@@ -59,6 +64,7 @@
                 RaisePropertyChanged(() => UserInputKeywords);
             }
         }
+
         private string _inputKeywords;
         public RelayCommand SearchDataCommand { get; set; }
 
@@ -122,6 +128,34 @@
 
             this.MainTopImage = functionModel.Image;
             this.MainTopTitle = functionModel.Title;
+            switch (functionModel.Title)
+            {
+                case "手术单领用":
+
+                    break;
+                case "归还":
+
+                    break;
+                case "紧急领用":
+
+                    break;
+                case "上架":
+
+                    break;
+                case "盘点":
+
+                    break;
+                case "退SPD库":
+
+                    break;
+                case "查询":
+                    INavigationService navigationService = ServiceLocator.Current.GetInstance<INavigationService>();
+                    navigationService.NavigateTo("InquirePage");
+                    break;
+                case "主页":
+
+                    break;
+            }
         }
 
         private void SearchData()
diff --git a/SubCabinetSolution/ViewModel/InquirePageViewModel.cs b/SubCabinetSolution/ViewModel/InquirePageViewModel.cs
new file mode 100644
index 0000000..cd6a750
--- /dev/null
+++ b/SubCabinetSolution/ViewModel/InquirePageViewModel.cs
@@ -0,0 +1,15 @@
+using GalaSoft.MvvmLight;
+using GalaSoft.MvvmLight.Views;
+
+namespace SubCabinetSolution.ViewModel
+{
+    public class InquirePageViewModel : ViewModelBase
+    {
+        private INavigationService _navigationService;
+
+        public InquirePageViewModel(INavigationService navigationService)
+        {
+            this._navigationService = navigationService;
+        }
+    }
+}
\ No newline at end of file

diff --git a/.idea/.idea.SubCabinetSolution/.idea/encodings.xml b/.idea/.idea.SubCabinetSolution/.idea/encodings.xml
index df87cf9..56cd6ed 100644
--- a/.idea/.idea.SubCabinetSolution/.idea/encodings.xml
+++ b/.idea/.idea.SubCabinetSolution/.idea/encodings.xml
@@ -1,4 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="Encoding" addBOMForNewFiles="with BOM under Windows, with no BOM otherwise" />
+  <component name="Encoding" addBOMForNewFiles="with BOM under Windows, with no BOM otherwise">
+    <file url="file://$PROJECT_DIR$/SubCabinetSolution/ViewModel/ViewModelLocator.cs" charset="GBK" />
+  </component>
 </project>
\ No newline at end of file
diff --git a/.vs/SubCabinetSolution/v17/.suo b/.vs/SubCabinetSolution/v17/.suo
index 0898120..05cca62 100644
--- a/.vs/SubCabinetSolution/v17/.suo
+++ b/.vs/SubCabinetSolution/v17/.suo
Binary files differ
diff --git a/SubCabinetSolution/App.xaml b/SubCabinetSolution/App.xaml
index 3cf9003..45fee79 100644
--- a/SubCabinetSolution/App.xaml
+++ b/SubCabinetSolution/App.xaml
@@ -1,9 +1,15 @@
-<Application x:Class="SubCabinetSolution.App"
-             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
-             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-             xmlns:local="clr-namespace:SubCabinetSolution"
-             StartupUri="MainWindow.xaml">
+<Application
+    x:Class="SubCabinetSolution.App"
+    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+    xmlns:d1p1="http://schemas.openxmlformats.org/markup-compatibility/2006"
+    xmlns:vm="clr-namespace:SubCabinetSolution.ViewModel"
+    d1p1:Ignorable="d"
+    StartupUri="MainWindow.xaml">
     <Application.Resources>
-         
+        <ResourceDictionary>
+            <vm:ViewModelLocator x:Key="Locator" d:IsDataSource="True" />
+        </ResourceDictionary>
     </Application.Resources>
-</Application>
+</Application>
\ No newline at end of file
diff --git a/SubCabinetSolution/MainWindow.xaml b/SubCabinetSolution/MainWindow.xaml
index 18bdf0d..0e5725f 100644
--- a/SubCabinetSolution/MainWindow.xaml
+++ b/SubCabinetSolution/MainWindow.xaml
@@ -15,6 +15,10 @@
     WindowStyle="None"
     mc:Ignorable="d">
 
+    <Window.DataContext>
+        <Binding Path="MainWindow" Source="{StaticResource Locator}" />
+    </Window.DataContext>
+
     <Window.Resources>
         <Style x:Key="UserDefineButtonStyle" TargetType="Button">
             <Setter Property="Width" Value="200" />
diff --git a/SubCabinetSolution/MainWindow.xaml.cs b/SubCabinetSolution/MainWindow.xaml.cs
index 2b8b93f..bd57083 100644
--- a/SubCabinetSolution/MainWindow.xaml.cs
+++ b/SubCabinetSolution/MainWindow.xaml.cs
@@ -1,6 +1,4 @@
-using SubCabinetSolution.ViewModel;
-
-namespace SubCabinetSolution
+namespace SubCabinetSolution
 {
     /// <summary>
     /// Interaction logic for MainWindow.xaml
@@ -10,7 +8,6 @@
         public MainWindow()
         {
             InitializeComponent();
-            this.DataContext = new MainViewModel();
         }
     }
 }
\ No newline at end of file
diff --git a/SubCabinetSolution/SubCabinetSolution.csproj b/SubCabinetSolution/SubCabinetSolution.csproj
index a41311f..071c84d 100644
--- a/SubCabinetSolution/SubCabinetSolution.csproj
+++ b/SubCabinetSolution/SubCabinetSolution.csproj
@@ -156,13 +156,18 @@
     <Compile Include="Utils\DataBaseManager.cs" />
     <Compile Include="Utils\HttpRequestHandler.cs" />
     <Compile Include="Utils\LocalConstant.cs" />
+    <Compile Include="Utils\NavigationService.cs" />
     <Compile Include="Utils\PasswordBindingHelper.cs" />
     <Compile Include="ViewModel\CabinetViewModel.cs" />
+    <Compile Include="ViewModel\InquirePageViewModel.cs" />
     <Compile Include="ViewModel\MainViewModel.cs" />
     <Compile Include="ViewModel\ViewModelLocator.cs" />
     <Compile Include="Views\CabinetWindow.xaml.cs">
       <DependentUpon>CabinetWindow.xaml</DependentUpon>
     </Compile>
+    <Compile Include="Views\InquirePage.xaml.cs">
+      <DependentUpon>InquirePage.xaml</DependentUpon>
+    </Compile>
     <Page Include="MainWindow.xaml">
       <Generator>MSBuild:Compile</Generator>
       <SubType>Designer</SubType>
@@ -176,6 +181,10 @@
       <SubType>Code</SubType>
     </Compile>
     <Page Include="Views\CabinetWindow.xaml" />
+    <Page Include="Views\InquirePage.xaml">
+      <SubType>Designer</SubType>
+      <Generator>MSBuild:Compile</Generator>
+    </Page>
   </ItemGroup>
   <ItemGroup>
     <Compile Include="Properties\AssemblyInfo.cs">
diff --git a/SubCabinetSolution/Utils/NavigationService.cs b/SubCabinetSolution/Utils/NavigationService.cs
new file mode 100644
index 0000000..935a7fa
--- /dev/null
+++ b/SubCabinetSolution/Utils/NavigationService.cs
@@ -0,0 +1,125 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Media;
+using GalaSoft.MvvmLight;
+using GalaSoft.MvvmLight.Views;
+using SubCabinetSolution.Views;
+
+namespace SubCabinetSolution.Utils
+{
+    public class NavigationService : ViewModelBase, INavigationService
+    {
+        private readonly Dictionary<string, Uri> _pagesByKey;
+        private readonly List<string> _historic;
+        private string _currentPageKey;
+
+        #region Properties
+
+        public string CurrentPageKey
+        {
+            get { return _currentPageKey; }
+
+            private set { Set(() => CurrentPageKey, ref _currentPageKey, value); }
+        }
+
+        public object Parameter { get; private set; }
+
+        #endregion
+
+        #region Ctors and Methods
+
+        public NavigationService()
+        {
+            _pagesByKey = new Dictionary<string, Uri>();
+            _historic = new List<string>();
+        }
+
+        public void GoBack()
+        {
+            if (_historic.Count <= 1) return;
+            _historic.RemoveAt(_historic.Count - 1);
+
+            NavigateTo(_historic.Last(), "Back");
+        }
+
+        public void NavigateTo(string pageKey)
+        {
+            NavigateTo(pageKey, "Next");
+        }
+
+        public virtual void NavigateTo(string pageKey, object parameter)
+        {
+            lock (_pagesByKey)
+            {
+                if (!_pagesByKey.ContainsKey(pageKey))
+                {
+                    throw new ArgumentException($"No such page: {pageKey} ", nameof(pageKey));
+                }
+
+                // 设置应用主窗口，name要注意和xaml保持一致
+                CabinetWindow cabinetWindow = Application.Current.Windows
+                    .Cast<Window>()
+                    .FirstOrDefault(window => window is CabinetWindow) as CabinetWindow;
+                if (GetDescendantFromName(cabinetWindow, "CabinetFunctionFrame") is Frame frame)
+                {
+                    frame.Source = _pagesByKey[pageKey];
+                }
+
+                Parameter = parameter;
+                if (parameter.ToString().Equals("Next"))
+                {
+                    _historic.Add(pageKey);
+                }
+
+                CurrentPageKey = pageKey;
+            }
+        }
+
+        public void Configure(string key, Uri pageType)
+        {
+            lock (_pagesByKey)
+            {
+                if (_pagesByKey.ContainsKey(key))
+                {
+                    _pagesByKey[key] = pageType;
+                }
+                else
+                {
+                    _pagesByKey.Add(key, pageType);
+                }
+            }
+        }
+
+        private static FrameworkElement GetDescendantFromName(DependencyObject parent, string name)
+        {
+            var count = VisualTreeHelper.GetChildrenCount(parent);
+
+            if (count < 1)
+            {
+                return null;
+            }
+
+            for (var i = 0; i < count; i++)
+            {
+                if (!(VisualTreeHelper.GetChild(parent, i) is FrameworkElement frameworkElement)) continue;
+                if (frameworkElement.Name == name)
+                {
+                    return frameworkElement;
+                }
+
+                frameworkElement = GetDescendantFromName(frameworkElement, name);
+                if (frameworkElement != null)
+                {
+                    return frameworkElement;
+                }
+            }
+
+            return null;
+        }
+
+        #endregion
+    }
+}
\ No newline at end of file
diff --git a/SubCabinetSolution/ViewModel/CabinetViewModel.cs b/SubCabinetSolution/ViewModel/CabinetViewModel.cs
index b83489c..00d5e78 100644
--- a/SubCabinetSolution/ViewModel/CabinetViewModel.cs
+++ b/SubCabinetSolution/ViewModel/CabinetViewModel.cs
@@ -1,10 +1,11 @@
 using System;
 using System.Collections.Generic;
-using System.Diagnostics;
 using System.Windows;
 using System.Windows.Threading;
+using CommonServiceLocator;
 using GalaSoft.MvvmLight;
 using GalaSoft.MvvmLight.Command;
+using GalaSoft.MvvmLight.Views;
 using SubCabinetSolution.Model;
 using SubCabinetSolution.Views;
 
@@ -29,8 +30,9 @@
         public List<FunctionModel> FunctionModelList { get; set; }
         public List<FunctionModel> SettingsModelList { get; set; }
         public RelayCommand<object> FuncSelectedCommand { get; set; }
-        
-        public string MainTopTitle {
+
+        public string MainTopTitle
+        {
             get { return _mainTopTitle; }
             set
             {
@@ -38,9 +40,11 @@
                 RaisePropertyChanged(() => MainTopTitle);
             }
         }
+
         private string _mainTopTitle;
 
-        public string MainTopImage {
+        public string MainTopImage
+        {
             get { return _mainTopImage; }
             set
             {
@@ -48,6 +52,7 @@
                 RaisePropertyChanged(() => MainTopImage);
             }
         }
+
         private string _mainTopImage;
 
         public string UserInputKeywords
@@ -59,6 +64,7 @@
                 RaisePropertyChanged(() => UserInputKeywords);
             }
         }
+
         private string _inputKeywords;
         public RelayCommand SearchDataCommand { get; set; }
 
@@ -122,6 +128,34 @@
 
             this.MainTopImage = functionModel.Image;
             this.MainTopTitle = functionModel.Title;
+            switch (functionModel.Title)
+            {
+                case "手术单领用":
+
+                    break;
+                case "归还":
+
+                    break;
+                case "紧急领用":
+
+                    break;
+                case "上架":
+
+                    break;
+                case "盘点":
+
+                    break;
+                case "退SPD库":
+
+                    break;
+                case "查询":
+                    INavigationService navigationService = ServiceLocator.Current.GetInstance<INavigationService>();
+                    navigationService.NavigateTo("InquirePage");
+                    break;
+                case "主页":
+
+                    break;
+            }
         }
 
         private void SearchData()
diff --git a/SubCabinetSolution/ViewModel/InquirePageViewModel.cs b/SubCabinetSolution/ViewModel/InquirePageViewModel.cs
new file mode 100644
index 0000000..cd6a750
--- /dev/null
+++ b/SubCabinetSolution/ViewModel/InquirePageViewModel.cs
@@ -0,0 +1,15 @@
+using GalaSoft.MvvmLight;
+using GalaSoft.MvvmLight.Views;
+
+namespace SubCabinetSolution.ViewModel
+{
+    public class InquirePageViewModel : ViewModelBase
+    {
+        private INavigationService _navigationService;
+
+        public InquirePageViewModel(INavigationService navigationService)
+        {
+            this._navigationService = navigationService;
+        }
+    }
+}
\ No newline at end of file
diff --git a/SubCabinetSolution/ViewModel/ViewModelLocator.cs b/SubCabinetSolution/ViewModel/ViewModelLocator.cs
index 153abfc..a7ccd0b 100644
--- a/SubCabinetSolution/ViewModel/ViewModelLocator.cs
+++ b/SubCabinetSolution/ViewModel/ViewModelLocator.cs
@@ -12,8 +12,11 @@
   See http://www.galasoft.ch/mvvm
 */
 
+using System;
 using CommonServiceLocator;
 using GalaSoft.MvvmLight.Ioc;
+using GalaSoft.MvvmLight.Views;
+using SubCabinetSolution.Utils;
 
 namespace SubCabinetSolution.ViewModel
 {
@@ -23,6 +26,26 @@
     /// </summary>
     public class ViewModelLocator
     {
+        private static ViewModelLocator _default;
+        private static readonly object InstanceLock = new object();
+
+        public static ViewModelLocator Default
+        {
+            get
+            {
+                if (_default == null)
+                {
+                    lock (InstanceLock)
+                    {
+                        if (_default == null)
+                            _default = new ViewModelLocator();
+                    }
+                }
+
+                return _default;
+            }
+        }
+
         /// <summary>
         /// Initializes a new instance of the ViewModelLocator class.
         /// </summary>
@@ -30,30 +53,46 @@
         {
             ServiceLocator.SetLocatorProvider(() => SimpleIoc.Default);
 
-            ////if (ViewModelBase.IsInDesignModeStatic)
-            ////{
-            ////    // Create design time view services and models
-            ////    SimpleIoc.Default.Register<IDataService, DesignDataService>();
-            ////}
-            ////else
-            ////{
-            ////    // Create run time view services and models
-            ////    SimpleIoc.Default.Register<IDataService, DataService>();
-            ////}
+            // ע��ҳ��VM
+            SimpleIoc.Default.Register<MainViewModel>(); //��¼ҳ
+            SimpleIoc.Default.Register<CabinetViewModel>(); //������
+            SimpleIoc.Default.Register<InquirePageViewModel>(); //��ѯPageҳ
 
-            SimpleIoc.Default.Register<MainViewModel>();
-            SimpleIoc.Default.Register<CabinetViewModel>();
+            // ע�ᵼ��Service
+            INavigationService navigationService = this.InitNavigationService();
+            SimpleIoc.Default.Register(() => navigationService);
         }
 
-        public MainViewModel Main
+
+        /// <summary>
+        /// ����NavigationService����
+        /// </summary>
+        /// <returns>NavigationService</returns>
+        private INavigationService InitNavigationService()
         {
-            get { return ServiceLocator.Current.GetInstance<MainViewModel>(); }
+            NavigationService service = new NavigationService();
+
+            service.Configure("MainWindow",
+                new Uri("/SubCabinetSolution;component/Views/MainWindow.xaml", UriKind.Relative));
+            service.Configure("CabinetWindow",
+                new Uri("/SubCabinetSolution;component/Views/CabinetWindow.xaml", UriKind.Relative));
+            service.Configure("InquirePage",
+                new Uri("/SubCabinetSolution;component/Views/InquirePage.xaml", UriKind.Relative));
+
+            return service;
         }
 
-        public CabinetViewModel Cabinet
-        {
-            get { return ServiceLocator.Current.GetInstance<CabinetViewModel>(); }
-        }
+        /// <summary>
+        /// ����Service
+        /// </summary>
+        // public INavigationService NavigationService => ServiceLocator.Current.GetInstance<INavigationService>();
+
+        // ÿ��VM����Ҫ���ɶ�Ӧ��ʵ������Ȼ�ᱨ��ָ��
+        public MainViewModel MainWindow => ServiceLocator.Current.GetInstance<MainViewModel>();
+
+        public CabinetViewModel CabinetWindow => ServiceLocator.Current.GetInstance<CabinetViewModel>();
+
+        public InquirePageViewModel InquirePage => ServiceLocator.Current.GetInstance<InquirePageViewModel>();
 
         public static void Cleanup()
         {

diff --git a/.idea/.idea.SubCabinetSolution/.idea/encodings.xml b/.idea/.idea.SubCabinetSolution/.idea/encodings.xml
index df87cf9..56cd6ed 100644
--- a/.idea/.idea.SubCabinetSolution/.idea/encodings.xml
+++ b/.idea/.idea.SubCabinetSolution/.idea/encodings.xml
@@ -1,4 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="Encoding" addBOMForNewFiles="with BOM under Windows, with no BOM otherwise" />
+  <component name="Encoding" addBOMForNewFiles="with BOM under Windows, with no BOM otherwise">
+    <file url="file://$PROJECT_DIR$/SubCabinetSolution/ViewModel/ViewModelLocator.cs" charset="GBK" />
+  </component>
 </project>
\ No newline at end of file
diff --git a/.vs/SubCabinetSolution/v17/.suo b/.vs/SubCabinetSolution/v17/.suo
index 0898120..05cca62 100644
--- a/.vs/SubCabinetSolution/v17/.suo
+++ b/.vs/SubCabinetSolution/v17/.suo
Binary files differ
diff --git a/SubCabinetSolution/App.xaml b/SubCabinetSolution/App.xaml
index 3cf9003..45fee79 100644
--- a/SubCabinetSolution/App.xaml
+++ b/SubCabinetSolution/App.xaml
@@ -1,9 +1,15 @@
-<Application x:Class="SubCabinetSolution.App"
-             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
-             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-             xmlns:local="clr-namespace:SubCabinetSolution"
-             StartupUri="MainWindow.xaml">
+<Application
+    x:Class="SubCabinetSolution.App"
+    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+    xmlns:d1p1="http://schemas.openxmlformats.org/markup-compatibility/2006"
+    xmlns:vm="clr-namespace:SubCabinetSolution.ViewModel"
+    d1p1:Ignorable="d"
+    StartupUri="MainWindow.xaml">
     <Application.Resources>
-         
+        <ResourceDictionary>
+            <vm:ViewModelLocator x:Key="Locator" d:IsDataSource="True" />
+        </ResourceDictionary>
     </Application.Resources>
-</Application>
+</Application>
\ No newline at end of file
diff --git a/SubCabinetSolution/MainWindow.xaml b/SubCabinetSolution/MainWindow.xaml
index 18bdf0d..0e5725f 100644
--- a/SubCabinetSolution/MainWindow.xaml
+++ b/SubCabinetSolution/MainWindow.xaml
@@ -15,6 +15,10 @@
     WindowStyle="None"
     mc:Ignorable="d">
 
+    <Window.DataContext>
+        <Binding Path="MainWindow" Source="{StaticResource Locator}" />
+    </Window.DataContext>
+
     <Window.Resources>
         <Style x:Key="UserDefineButtonStyle" TargetType="Button">
             <Setter Property="Width" Value="200" />
diff --git a/SubCabinetSolution/MainWindow.xaml.cs b/SubCabinetSolution/MainWindow.xaml.cs
index 2b8b93f..bd57083 100644
--- a/SubCabinetSolution/MainWindow.xaml.cs
+++ b/SubCabinetSolution/MainWindow.xaml.cs
@@ -1,6 +1,4 @@
-using SubCabinetSolution.ViewModel;
-
-namespace SubCabinetSolution
+namespace SubCabinetSolution
 {
     /// <summary>
     /// Interaction logic for MainWindow.xaml
@@ -10,7 +8,6 @@
         public MainWindow()
         {
             InitializeComponent();
-            this.DataContext = new MainViewModel();
         }
     }
 }
\ No newline at end of file
diff --git a/SubCabinetSolution/SubCabinetSolution.csproj b/SubCabinetSolution/SubCabinetSolution.csproj
index a41311f..071c84d 100644
--- a/SubCabinetSolution/SubCabinetSolution.csproj
+++ b/SubCabinetSolution/SubCabinetSolution.csproj
@@ -156,13 +156,18 @@
     <Compile Include="Utils\DataBaseManager.cs" />
     <Compile Include="Utils\HttpRequestHandler.cs" />
     <Compile Include="Utils\LocalConstant.cs" />
+    <Compile Include="Utils\NavigationService.cs" />
     <Compile Include="Utils\PasswordBindingHelper.cs" />
     <Compile Include="ViewModel\CabinetViewModel.cs" />
+    <Compile Include="ViewModel\InquirePageViewModel.cs" />
     <Compile Include="ViewModel\MainViewModel.cs" />
     <Compile Include="ViewModel\ViewModelLocator.cs" />
     <Compile Include="Views\CabinetWindow.xaml.cs">
       <DependentUpon>CabinetWindow.xaml</DependentUpon>
     </Compile>
+    <Compile Include="Views\InquirePage.xaml.cs">
+      <DependentUpon>InquirePage.xaml</DependentUpon>
+    </Compile>
     <Page Include="MainWindow.xaml">
       <Generator>MSBuild:Compile</Generator>
       <SubType>Designer</SubType>
@@ -176,6 +181,10 @@
       <SubType>Code</SubType>
     </Compile>
     <Page Include="Views\CabinetWindow.xaml" />
+    <Page Include="Views\InquirePage.xaml">
+      <SubType>Designer</SubType>
+      <Generator>MSBuild:Compile</Generator>
+    </Page>
   </ItemGroup>
   <ItemGroup>
     <Compile Include="Properties\AssemblyInfo.cs">
diff --git a/SubCabinetSolution/Utils/NavigationService.cs b/SubCabinetSolution/Utils/NavigationService.cs
new file mode 100644
index 0000000..935a7fa
--- /dev/null
+++ b/SubCabinetSolution/Utils/NavigationService.cs
@@ -0,0 +1,125 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Media;
+using GalaSoft.MvvmLight;
+using GalaSoft.MvvmLight.Views;
+using SubCabinetSolution.Views;
+
+namespace SubCabinetSolution.Utils
+{
+    public class NavigationService : ViewModelBase, INavigationService
+    {
+        private readonly Dictionary<string, Uri> _pagesByKey;
+        private readonly List<string> _historic;
+        private string _currentPageKey;
+
+        #region Properties
+
+        public string CurrentPageKey
+        {
+            get { return _currentPageKey; }
+
+            private set { Set(() => CurrentPageKey, ref _currentPageKey, value); }
+        }
+
+        public object Parameter { get; private set; }
+
+        #endregion
+
+        #region Ctors and Methods
+
+        public NavigationService()
+        {
+            _pagesByKey = new Dictionary<string, Uri>();
+            _historic = new List<string>();
+        }
+
+        public void GoBack()
+        {
+            if (_historic.Count <= 1) return;
+            _historic.RemoveAt(_historic.Count - 1);
+
+            NavigateTo(_historic.Last(), "Back");
+        }
+
+        public void NavigateTo(string pageKey)
+        {
+            NavigateTo(pageKey, "Next");
+        }
+
+        public virtual void NavigateTo(string pageKey, object parameter)
+        {
+            lock (_pagesByKey)
+            {
+                if (!_pagesByKey.ContainsKey(pageKey))
+                {
+                    throw new ArgumentException($"No such page: {pageKey} ", nameof(pageKey));
+                }
+
+                // 设置应用主窗口，name要注意和xaml保持一致
+                CabinetWindow cabinetWindow = Application.Current.Windows
+                    .Cast<Window>()
+                    .FirstOrDefault(window => window is CabinetWindow) as CabinetWindow;
+                if (GetDescendantFromName(cabinetWindow, "CabinetFunctionFrame") is Frame frame)
+                {
+                    frame.Source = _pagesByKey[pageKey];
+                }
+
+                Parameter = parameter;
+                if (parameter.ToString().Equals("Next"))
+                {
+                    _historic.Add(pageKey);
+                }
+
+                CurrentPageKey = pageKey;
+            }
+        }
+
+        public void Configure(string key, Uri pageType)
+        {
+            lock (_pagesByKey)
+            {
+                if (_pagesByKey.ContainsKey(key))
+                {
+                    _pagesByKey[key] = pageType;
+                }
+                else
+                {
+                    _pagesByKey.Add(key, pageType);
+                }
+            }
+        }
+
+        private static FrameworkElement GetDescendantFromName(DependencyObject parent, string name)
+        {
+            var count = VisualTreeHelper.GetChildrenCount(parent);
+
+            if (count < 1)
+            {
+                return null;
+            }
+
+            for (var i = 0; i < count; i++)
+            {
+                if (!(VisualTreeHelper.GetChild(parent, i) is FrameworkElement frameworkElement)) continue;
+                if (frameworkElement.Name == name)
+                {
+                    return frameworkElement;
+                }
+
+                frameworkElement = GetDescendantFromName(frameworkElement, name);
+                if (frameworkElement != null)
+                {
+                    return frameworkElement;
+                }
+            }
+
+            return null;
+        }
+
+        #endregion
+    }
+}
\ No newline at end of file
diff --git a/SubCabinetSolution/ViewModel/CabinetViewModel.cs b/SubCabinetSolution/ViewModel/CabinetViewModel.cs
index b83489c..00d5e78 100644
--- a/SubCabinetSolution/ViewModel/CabinetViewModel.cs
+++ b/SubCabinetSolution/ViewModel/CabinetViewModel.cs
@@ -1,10 +1,11 @@
 using System;
 using System.Collections.Generic;
-using System.Diagnostics;
 using System.Windows;
 using System.Windows.Threading;
+using CommonServiceLocator;
 using GalaSoft.MvvmLight;
 using GalaSoft.MvvmLight.Command;
+using GalaSoft.MvvmLight.Views;
 using SubCabinetSolution.Model;
 using SubCabinetSolution.Views;
 
@@ -29,8 +30,9 @@
         public List<FunctionModel> FunctionModelList { get; set; }
         public List<FunctionModel> SettingsModelList { get; set; }
         public RelayCommand<object> FuncSelectedCommand { get; set; }
-        
-        public string MainTopTitle {
+
+        public string MainTopTitle
+        {
             get { return _mainTopTitle; }
             set
             {
@@ -38,9 +40,11 @@
                 RaisePropertyChanged(() => MainTopTitle);
             }
         }
+
         private string _mainTopTitle;
 
-        public string MainTopImage {
+        public string MainTopImage
+        {
             get { return _mainTopImage; }
             set
             {
@@ -48,6 +52,7 @@
                 RaisePropertyChanged(() => MainTopImage);
             }
         }
+
         private string _mainTopImage;
 
         public string UserInputKeywords
@@ -59,6 +64,7 @@
                 RaisePropertyChanged(() => UserInputKeywords);
             }
         }
+
         private string _inputKeywords;
         public RelayCommand SearchDataCommand { get; set; }
 
@@ -122,6 +128,34 @@
 
             this.MainTopImage = functionModel.Image;
             this.MainTopTitle = functionModel.Title;
+            switch (functionModel.Title)
+            {
+                case "手术单领用":
+
+                    break;
+                case "归还":
+
+                    break;
+                case "紧急领用":
+
+                    break;
+                case "上架":
+
+                    break;
+                case "盘点":
+
+                    break;
+                case "退SPD库":
+
+                    break;
+                case "查询":
+                    INavigationService navigationService = ServiceLocator.Current.GetInstance<INavigationService>();
+                    navigationService.NavigateTo("InquirePage");
+                    break;
+                case "主页":
+
+                    break;
+            }
         }
 
         private void SearchData()
diff --git a/SubCabinetSolution/ViewModel/InquirePageViewModel.cs b/SubCabinetSolution/ViewModel/InquirePageViewModel.cs
new file mode 100644
index 0000000..cd6a750
--- /dev/null
+++ b/SubCabinetSolution/ViewModel/InquirePageViewModel.cs
@@ -0,0 +1,15 @@
+using GalaSoft.MvvmLight;
+using GalaSoft.MvvmLight.Views;
+
+namespace SubCabinetSolution.ViewModel
+{
+    public class InquirePageViewModel : ViewModelBase
+    {
+        private INavigationService _navigationService;
+
+        public InquirePageViewModel(INavigationService navigationService)
+        {
+            this._navigationService = navigationService;
+        }
+    }
+}
\ No newline at end of file
diff --git a/SubCabinetSolution/ViewModel/ViewModelLocator.cs b/SubCabinetSolution/ViewModel/ViewModelLocator.cs
index 153abfc..a7ccd0b 100644
--- a/SubCabinetSolution/ViewModel/ViewModelLocator.cs
+++ b/SubCabinetSolution/ViewModel/ViewModelLocator.cs
@@ -12,8 +12,11 @@
   See http://www.galasoft.ch/mvvm
 */
 
+using System;
 using CommonServiceLocator;
 using GalaSoft.MvvmLight.Ioc;
+using GalaSoft.MvvmLight.Views;
+using SubCabinetSolution.Utils;
 
 namespace SubCabinetSolution.ViewModel
 {
@@ -23,6 +26,26 @@
     /// </summary>
     public class ViewModelLocator
     {
+        private static ViewModelLocator _default;
+        private static readonly object InstanceLock = new object();
+
+        public static ViewModelLocator Default
+        {
+            get
+            {
+                if (_default == null)
+                {
+                    lock (InstanceLock)
+                    {
+                        if (_default == null)
+                            _default = new ViewModelLocator();
+                    }
+                }
+
+                return _default;
+            }
+        }
+
         /// <summary>
         /// Initializes a new instance of the ViewModelLocator class.
         /// </summary>
@@ -30,30 +53,46 @@
         {
             ServiceLocator.SetLocatorProvider(() => SimpleIoc.Default);
 
-            ////if (ViewModelBase.IsInDesignModeStatic)
-            ////{
-            ////    // Create design time view services and models
-            ////    SimpleIoc.Default.Register<IDataService, DesignDataService>();
-            ////}
-            ////else
-            ////{
-            ////    // Create run time view services and models
-            ////    SimpleIoc.Default.Register<IDataService, DataService>();
-            ////}
+            // ע��ҳ��VM
+            SimpleIoc.Default.Register<MainViewModel>(); //��¼ҳ
+            SimpleIoc.Default.Register<CabinetViewModel>(); //������
+            SimpleIoc.Default.Register<InquirePageViewModel>(); //��ѯPageҳ
 
-            SimpleIoc.Default.Register<MainViewModel>();
-            SimpleIoc.Default.Register<CabinetViewModel>();
+            // ע�ᵼ��Service
+            INavigationService navigationService = this.InitNavigationService();
+            SimpleIoc.Default.Register(() => navigationService);
         }
 
-        public MainViewModel Main
+
+        /// <summary>
+        /// ����NavigationService����
+        /// </summary>
+        /// <returns>NavigationService</returns>
+        private INavigationService InitNavigationService()
         {
-            get { return ServiceLocator.Current.GetInstance<MainViewModel>(); }
+            NavigationService service = new NavigationService();
+
+            service.Configure("MainWindow",
+                new Uri("/SubCabinetSolution;component/Views/MainWindow.xaml", UriKind.Relative));
+            service.Configure("CabinetWindow",
+                new Uri("/SubCabinetSolution;component/Views/CabinetWindow.xaml", UriKind.Relative));
+            service.Configure("InquirePage",
+                new Uri("/SubCabinetSolution;component/Views/InquirePage.xaml", UriKind.Relative));
+
+            return service;
         }
 
-        public CabinetViewModel Cabinet
-        {
-            get { return ServiceLocator.Current.GetInstance<CabinetViewModel>(); }
-        }
+        /// <summary>
+        /// ����Service
+        /// </summary>
+        // public INavigationService NavigationService => ServiceLocator.Current.GetInstance<INavigationService>();
+
+        // ÿ��VM����Ҫ���ɶ�Ӧ��ʵ������Ȼ�ᱨ��ָ��
+        public MainViewModel MainWindow => ServiceLocator.Current.GetInstance<MainViewModel>();
+
+        public CabinetViewModel CabinetWindow => ServiceLocator.Current.GetInstance<CabinetViewModel>();
+
+        public InquirePageViewModel InquirePage => ServiceLocator.Current.GetInstance<InquirePageViewModel>();
 
         public static void Cleanup()
         {
diff --git a/SubCabinetSolution/Views/CabinetWindow.xaml b/SubCabinetSolution/Views/CabinetWindow.xaml
index 377df80..d4ec8cc 100644
--- a/SubCabinetSolution/Views/CabinetWindow.xaml
+++ b/SubCabinetSolution/Views/CabinetWindow.xaml
@@ -15,6 +15,10 @@
     WindowStyle="None"
     mc:Ignorable="d">
 
+    <Window.DataContext>
+        <Binding Path="CabinetWindow" Source="{StaticResource Locator}" />
+    </Window.DataContext>
+
     <Window.Resources>
         <Style x:Key="UserDefineButtonStyle" TargetType="Button">
             <Setter Property="Width" Value="60" />
@@ -86,6 +90,7 @@
                     Text="航天203所"
                     TextAlignment="Center" />
 
+                <!--  左边八个功能Item  -->
                 <ListBox
                     x:Name="FuncListBox"
                     Grid.Row="1"
@@ -93,7 +98,7 @@
                     VerticalAlignment="Center"
                     BorderThickness="0"
                     ItemsSource="{Binding FunctionModelList}"
-                    SelectedIndex="7">
+                    SelectedItem="{Binding FunctionModelList[7]}">
                     <interactivity:Interaction.Triggers>
                         <interactivity:EventTrigger EventName="SelectionChanged">
                             <interactivity:InvokeCommandAction Command="{Binding FuncSelectedCommand}" CommandParameter="{Binding SelectedItem, ElementName=FuncListBox}" />
@@ -156,6 +161,7 @@
                     </ListBox.ItemContainerStyle>
                 </ListBox>
 
+                <!--  底部三个功能Item  -->
                 <ListBox
                     Grid.Row="2"
                     HorizontalAlignment="Center"
@@ -174,9 +180,10 @@
                                 <Image
                                     Width="32"
                                     Height="32"
+                                    Margin="0,5,0,0"
                                     Source="{Binding Image}" />
                                 <TextBlock
-                                    Margin="0,10"
+                                    Margin="0,5"
                                     FontFamily="微软雅黑"
                                     Text="{Binding Title}"
                                     TextAlignment="Center" />
@@ -383,17 +390,10 @@
                 </Grid.RowDefinitions>
 
                 <!--  中间显示区域  -->
-                <UniformGrid
-                    Background="#ECF1FB"
-                    Columns="3"
-                    Rows="2">
-                    <ListBox Grid.Row="0" Grid.Column="0" />
-                    <ListBox Grid.Row="0" Grid.Column="1" />
-                    <ListBox Grid.Row="0" Grid.Column="2" />
-                    <ListBox Grid.Row="0" Grid.Column="0" />
-                    <ListBox Grid.Row="1" Grid.Column="1" />
-                    <ListBox Grid.Row="2" Grid.Column="2" />
-                </UniformGrid>
+                <Frame
+                    x:Name="CabinetFunctionFrame"
+                    Grid.Row="0"
+                    Background="#ECF1FB" />
 
                 <UniformGrid
                     Grid.Row="1"

diff --git a/.idea/.idea.SubCabinetSolution/.idea/encodings.xml b/.idea/.idea.SubCabinetSolution/.idea/encodings.xml
index df87cf9..56cd6ed 100644
--- a/.idea/.idea.SubCabinetSolution/.idea/encodings.xml
+++ b/.idea/.idea.SubCabinetSolution/.idea/encodings.xml
@@ -1,4 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="Encoding" addBOMForNewFiles="with BOM under Windows, with no BOM otherwise" />
+  <component name="Encoding" addBOMForNewFiles="with BOM under Windows, with no BOM otherwise">
+    <file url="file://$PROJECT_DIR$/SubCabinetSolution/ViewModel/ViewModelLocator.cs" charset="GBK" />
+  </component>
 </project>
\ No newline at end of file
diff --git a/.vs/SubCabinetSolution/v17/.suo b/.vs/SubCabinetSolution/v17/.suo
index 0898120..05cca62 100644
--- a/.vs/SubCabinetSolution/v17/.suo
+++ b/.vs/SubCabinetSolution/v17/.suo
Binary files differ
diff --git a/SubCabinetSolution/App.xaml b/SubCabinetSolution/App.xaml
index 3cf9003..45fee79 100644
--- a/SubCabinetSolution/App.xaml
+++ b/SubCabinetSolution/App.xaml
@@ -1,9 +1,15 @@
-<Application x:Class="SubCabinetSolution.App"
-             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
-             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-             xmlns:local="clr-namespace:SubCabinetSolution"
-             StartupUri="MainWindow.xaml">
+<Application
+    x:Class="SubCabinetSolution.App"
+    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+    xmlns:d1p1="http://schemas.openxmlformats.org/markup-compatibility/2006"
+    xmlns:vm="clr-namespace:SubCabinetSolution.ViewModel"
+    d1p1:Ignorable="d"
+    StartupUri="MainWindow.xaml">
     <Application.Resources>
-         
+        <ResourceDictionary>
+            <vm:ViewModelLocator x:Key="Locator" d:IsDataSource="True" />
+        </ResourceDictionary>
     </Application.Resources>
-</Application>
+</Application>
\ No newline at end of file
diff --git a/SubCabinetSolution/MainWindow.xaml b/SubCabinetSolution/MainWindow.xaml
index 18bdf0d..0e5725f 100644
--- a/SubCabinetSolution/MainWindow.xaml
+++ b/SubCabinetSolution/MainWindow.xaml
@@ -15,6 +15,10 @@
     WindowStyle="None"
     mc:Ignorable="d">
 
+    <Window.DataContext>
+        <Binding Path="MainWindow" Source="{StaticResource Locator}" />
+    </Window.DataContext>
+
     <Window.Resources>
         <Style x:Key="UserDefineButtonStyle" TargetType="Button">
             <Setter Property="Width" Value="200" />
diff --git a/SubCabinetSolution/MainWindow.xaml.cs b/SubCabinetSolution/MainWindow.xaml.cs
index 2b8b93f..bd57083 100644
--- a/SubCabinetSolution/MainWindow.xaml.cs
+++ b/SubCabinetSolution/MainWindow.xaml.cs
@@ -1,6 +1,4 @@
-using SubCabinetSolution.ViewModel;
-
-namespace SubCabinetSolution
+namespace SubCabinetSolution
 {
     /// <summary>
     /// Interaction logic for MainWindow.xaml
@@ -10,7 +8,6 @@
         public MainWindow()
         {
             InitializeComponent();
-            this.DataContext = new MainViewModel();
         }
     }
 }
\ No newline at end of file
diff --git a/SubCabinetSolution/SubCabinetSolution.csproj b/SubCabinetSolution/SubCabinetSolution.csproj
index a41311f..071c84d 100644
--- a/SubCabinetSolution/SubCabinetSolution.csproj
+++ b/SubCabinetSolution/SubCabinetSolution.csproj
@@ -156,13 +156,18 @@
     <Compile Include="Utils\DataBaseManager.cs" />
     <Compile Include="Utils\HttpRequestHandler.cs" />
     <Compile Include="Utils\LocalConstant.cs" />
+    <Compile Include="Utils\NavigationService.cs" />
     <Compile Include="Utils\PasswordBindingHelper.cs" />
     <Compile Include="ViewModel\CabinetViewModel.cs" />
+    <Compile Include="ViewModel\InquirePageViewModel.cs" />
     <Compile Include="ViewModel\MainViewModel.cs" />
     <Compile Include="ViewModel\ViewModelLocator.cs" />
     <Compile Include="Views\CabinetWindow.xaml.cs">
       <DependentUpon>CabinetWindow.xaml</DependentUpon>
     </Compile>
+    <Compile Include="Views\InquirePage.xaml.cs">
+      <DependentUpon>InquirePage.xaml</DependentUpon>
+    </Compile>
     <Page Include="MainWindow.xaml">
       <Generator>MSBuild:Compile</Generator>
       <SubType>Designer</SubType>
@@ -176,6 +181,10 @@
       <SubType>Code</SubType>
     </Compile>
     <Page Include="Views\CabinetWindow.xaml" />
+    <Page Include="Views\InquirePage.xaml">
+      <SubType>Designer</SubType>
+      <Generator>MSBuild:Compile</Generator>
+    </Page>
   </ItemGroup>
   <ItemGroup>
     <Compile Include="Properties\AssemblyInfo.cs">
diff --git a/SubCabinetSolution/Utils/NavigationService.cs b/SubCabinetSolution/Utils/NavigationService.cs
new file mode 100644
index 0000000..935a7fa
--- /dev/null
+++ b/SubCabinetSolution/Utils/NavigationService.cs
@@ -0,0 +1,125 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Media;
+using GalaSoft.MvvmLight;
+using GalaSoft.MvvmLight.Views;
+using SubCabinetSolution.Views;
+
+namespace SubCabinetSolution.Utils
+{
+    public class NavigationService : ViewModelBase, INavigationService
+    {
+        private readonly Dictionary<string, Uri> _pagesByKey;
+        private readonly List<string> _historic;
+        private string _currentPageKey;
+
+        #region Properties
+
+        public string CurrentPageKey
+        {
+            get { return _currentPageKey; }
+
+            private set { Set(() => CurrentPageKey, ref _currentPageKey, value); }
+        }
+
+        public object Parameter { get; private set; }
+
+        #endregion
+
+        #region Ctors and Methods
+
+        public NavigationService()
+        {
+            _pagesByKey = new Dictionary<string, Uri>();
+            _historic = new List<string>();
+        }
+
+        public void GoBack()
+        {
+            if (_historic.Count <= 1) return;
+            _historic.RemoveAt(_historic.Count - 1);
+
+            NavigateTo(_historic.Last(), "Back");
+        }
+
+        public void NavigateTo(string pageKey)
+        {
+            NavigateTo(pageKey, "Next");
+        }
+
+        public virtual void NavigateTo(string pageKey, object parameter)
+        {
+            lock (_pagesByKey)
+            {
+                if (!_pagesByKey.ContainsKey(pageKey))
+                {
+                    throw new ArgumentException($"No such page: {pageKey} ", nameof(pageKey));
+                }
+
+                // 设置应用主窗口，name要注意和xaml保持一致
+                CabinetWindow cabinetWindow = Application.Current.Windows
+                    .Cast<Window>()
+                    .FirstOrDefault(window => window is CabinetWindow) as CabinetWindow;
+                if (GetDescendantFromName(cabinetWindow, "CabinetFunctionFrame") is Frame frame)
+                {
+                    frame.Source = _pagesByKey[pageKey];
+                }
+
+                Parameter = parameter;
+                if (parameter.ToString().Equals("Next"))
+                {
+                    _historic.Add(pageKey);
+                }
+
+                CurrentPageKey = pageKey;
+            }
+        }
+
+        public void Configure(string key, Uri pageType)
+        {
+            lock (_pagesByKey)
+            {
+                if (_pagesByKey.ContainsKey(key))
+                {
+                    _pagesByKey[key] = pageType;
+                }
+                else
+                {
+                    _pagesByKey.Add(key, pageType);
+                }
+            }
+        }
+
+        private static FrameworkElement GetDescendantFromName(DependencyObject parent, string name)
+        {
+            var count = VisualTreeHelper.GetChildrenCount(parent);
+
+            if (count < 1)
+            {
+                return null;
+            }
+
+            for (var i = 0; i < count; i++)
+            {
+                if (!(VisualTreeHelper.GetChild(parent, i) is FrameworkElement frameworkElement)) continue;
+                if (frameworkElement.Name == name)
+                {
+                    return frameworkElement;
+                }
+
+                frameworkElement = GetDescendantFromName(frameworkElement, name);
+                if (frameworkElement != null)
+                {
+                    return frameworkElement;
+                }
+            }
+
+            return null;
+        }
+
+        #endregion
+    }
+}
\ No newline at end of file
diff --git a/SubCabinetSolution/ViewModel/CabinetViewModel.cs b/SubCabinetSolution/ViewModel/CabinetViewModel.cs
index b83489c..00d5e78 100644
--- a/SubCabinetSolution/ViewModel/CabinetViewModel.cs
+++ b/SubCabinetSolution/ViewModel/CabinetViewModel.cs
@@ -1,10 +1,11 @@
 using System;
 using System.Collections.Generic;
-using System.Diagnostics;
 using System.Windows;
 using System.Windows.Threading;
+using CommonServiceLocator;
 using GalaSoft.MvvmLight;
 using GalaSoft.MvvmLight.Command;
+using GalaSoft.MvvmLight.Views;
 using SubCabinetSolution.Model;
 using SubCabinetSolution.Views;
 
@@ -29,8 +30,9 @@
         public List<FunctionModel> FunctionModelList { get; set; }
         public List<FunctionModel> SettingsModelList { get; set; }
         public RelayCommand<object> FuncSelectedCommand { get; set; }
-        
-        public string MainTopTitle {
+
+        public string MainTopTitle
+        {
             get { return _mainTopTitle; }
             set
             {
@@ -38,9 +40,11 @@
                 RaisePropertyChanged(() => MainTopTitle);
             }
         }
+
         private string _mainTopTitle;
 
-        public string MainTopImage {
+        public string MainTopImage
+        {
             get { return _mainTopImage; }
             set
             {
@@ -48,6 +52,7 @@
                 RaisePropertyChanged(() => MainTopImage);
             }
         }
+
         private string _mainTopImage;
 
         public string UserInputKeywords
@@ -59,6 +64,7 @@
                 RaisePropertyChanged(() => UserInputKeywords);
             }
         }
+
         private string _inputKeywords;
         public RelayCommand SearchDataCommand { get; set; }
 
@@ -122,6 +128,34 @@
 
             this.MainTopImage = functionModel.Image;
             this.MainTopTitle = functionModel.Title;
+            switch (functionModel.Title)
+            {
+                case "手术单领用":
+
+                    break;
+                case "归还":
+
+                    break;
+                case "紧急领用":
+
+                    break;
+                case "上架":
+
+                    break;
+                case "盘点":
+
+                    break;
+                case "退SPD库":
+
+                    break;
+                case "查询":
+                    INavigationService navigationService = ServiceLocator.Current.GetInstance<INavigationService>();
+                    navigationService.NavigateTo("InquirePage");
+                    break;
+                case "主页":
+
+                    break;
+            }
         }
 
         private void SearchData()
diff --git a/SubCabinetSolution/ViewModel/InquirePageViewModel.cs b/SubCabinetSolution/ViewModel/InquirePageViewModel.cs
new file mode 100644
index 0000000..cd6a750
--- /dev/null
+++ b/SubCabinetSolution/ViewModel/InquirePageViewModel.cs
@@ -0,0 +1,15 @@
+using GalaSoft.MvvmLight;
+using GalaSoft.MvvmLight.Views;
+
+namespace SubCabinetSolution.ViewModel
+{
+    public class InquirePageViewModel : ViewModelBase
+    {
+        private INavigationService _navigationService;
+
+        public InquirePageViewModel(INavigationService navigationService)
+        {
+            this._navigationService = navigationService;
+        }
+    }
+}
\ No newline at end of file
diff --git a/SubCabinetSolution/ViewModel/ViewModelLocator.cs b/SubCabinetSolution/ViewModel/ViewModelLocator.cs
index 153abfc..a7ccd0b 100644
--- a/SubCabinetSolution/ViewModel/ViewModelLocator.cs
+++ b/SubCabinetSolution/ViewModel/ViewModelLocator.cs
@@ -12,8 +12,11 @@
   See http://www.galasoft.ch/mvvm
 */
 
+using System;
 using CommonServiceLocator;
 using GalaSoft.MvvmLight.Ioc;
+using GalaSoft.MvvmLight.Views;
+using SubCabinetSolution.Utils;
 
 namespace SubCabinetSolution.ViewModel
 {
@@ -23,6 +26,26 @@
     /// </summary>
     public class ViewModelLocator
     {
+        private static ViewModelLocator _default;
+        private static readonly object InstanceLock = new object();
+
+        public static ViewModelLocator Default
+        {
+            get
+            {
+                if (_default == null)
+                {
+                    lock (InstanceLock)
+                    {
+                        if (_default == null)
+                            _default = new ViewModelLocator();
+                    }
+                }
+
+                return _default;
+            }
+        }
+
         /// <summary>
         /// Initializes a new instance of the ViewModelLocator class.
         /// </summary>
@@ -30,30 +53,46 @@
         {
             ServiceLocator.SetLocatorProvider(() => SimpleIoc.Default);
 
-            ////if (ViewModelBase.IsInDesignModeStatic)
-            ////{
-            ////    // Create design time view services and models
-            ////    SimpleIoc.Default.Register<IDataService, DesignDataService>();
-            ////}
-            ////else
-            ////{
-            ////    // Create run time view services and models
-            ////    SimpleIoc.Default.Register<IDataService, DataService>();
-            ////}
+            // ע��ҳ��VM
+            SimpleIoc.Default.Register<MainViewModel>(); //��¼ҳ
+            SimpleIoc.Default.Register<CabinetViewModel>(); //������
+            SimpleIoc.Default.Register<InquirePageViewModel>(); //��ѯPageҳ
 
-            SimpleIoc.Default.Register<MainViewModel>();
-            SimpleIoc.Default.Register<CabinetViewModel>();
+            // ע�ᵼ��Service
+            INavigationService navigationService = this.InitNavigationService();
+            SimpleIoc.Default.Register(() => navigationService);
         }
 
-        public MainViewModel Main
+
+        /// <summary>
+        /// ����NavigationService����
+        /// </summary>
+        /// <returns>NavigationService</returns>
+        private INavigationService InitNavigationService()
         {
-            get { return ServiceLocator.Current.GetInstance<MainViewModel>(); }
+            NavigationService service = new NavigationService();
+
+            service.Configure("MainWindow",
+                new Uri("/SubCabinetSolution;component/Views/MainWindow.xaml", UriKind.Relative));
+            service.Configure("CabinetWindow",
+                new Uri("/SubCabinetSolution;component/Views/CabinetWindow.xaml", UriKind.Relative));
+            service.Configure("InquirePage",
+                new Uri("/SubCabinetSolution;component/Views/InquirePage.xaml", UriKind.Relative));
+
+            return service;
         }
 
-        public CabinetViewModel Cabinet
-        {
-            get { return ServiceLocator.Current.GetInstance<CabinetViewModel>(); }
-        }
+        /// <summary>
+        /// ����Service
+        /// </summary>
+        // public INavigationService NavigationService => ServiceLocator.Current.GetInstance<INavigationService>();
+
+        // ÿ��VM����Ҫ���ɶ�Ӧ��ʵ������Ȼ�ᱨ��ָ��
+        public MainViewModel MainWindow => ServiceLocator.Current.GetInstance<MainViewModel>();
+
+        public CabinetViewModel CabinetWindow => ServiceLocator.Current.GetInstance<CabinetViewModel>();
+
+        public InquirePageViewModel InquirePage => ServiceLocator.Current.GetInstance<InquirePageViewModel>();
 
         public static void Cleanup()
         {
diff --git a/SubCabinetSolution/Views/CabinetWindow.xaml b/SubCabinetSolution/Views/CabinetWindow.xaml
index 377df80..d4ec8cc 100644
--- a/SubCabinetSolution/Views/CabinetWindow.xaml
+++ b/SubCabinetSolution/Views/CabinetWindow.xaml
@@ -15,6 +15,10 @@
     WindowStyle="None"
     mc:Ignorable="d">
 
+    <Window.DataContext>
+        <Binding Path="CabinetWindow" Source="{StaticResource Locator}" />
+    </Window.DataContext>
+
     <Window.Resources>
         <Style x:Key="UserDefineButtonStyle" TargetType="Button">
             <Setter Property="Width" Value="60" />
@@ -86,6 +90,7 @@
                     Text="航天203所"
                     TextAlignment="Center" />
 
+                <!--  左边八个功能Item  -->
                 <ListBox
                     x:Name="FuncListBox"
                     Grid.Row="1"
@@ -93,7 +98,7 @@
                     VerticalAlignment="Center"
                     BorderThickness="0"
                     ItemsSource="{Binding FunctionModelList}"
-                    SelectedIndex="7">
+                    SelectedItem="{Binding FunctionModelList[7]}">
                     <interactivity:Interaction.Triggers>
                         <interactivity:EventTrigger EventName="SelectionChanged">
                             <interactivity:InvokeCommandAction Command="{Binding FuncSelectedCommand}" CommandParameter="{Binding SelectedItem, ElementName=FuncListBox}" />
@@ -156,6 +161,7 @@
                     </ListBox.ItemContainerStyle>
                 </ListBox>
 
+                <!--  底部三个功能Item  -->
                 <ListBox
                     Grid.Row="2"
                     HorizontalAlignment="Center"
@@ -174,9 +180,10 @@
                                 <Image
                                     Width="32"
                                     Height="32"
+                                    Margin="0,5,0,0"
                                     Source="{Binding Image}" />
                                 <TextBlock
-                                    Margin="0,10"
+                                    Margin="0,5"
                                     FontFamily="微软雅黑"
                                     Text="{Binding Title}"
                                     TextAlignment="Center" />
@@ -383,17 +390,10 @@
                 </Grid.RowDefinitions>
 
                 <!--  中间显示区域  -->
-                <UniformGrid
-                    Background="#ECF1FB"
-                    Columns="3"
-                    Rows="2">
-                    <ListBox Grid.Row="0" Grid.Column="0" />
-                    <ListBox Grid.Row="0" Grid.Column="1" />
-                    <ListBox Grid.Row="0" Grid.Column="2" />
-                    <ListBox Grid.Row="0" Grid.Column="0" />
-                    <ListBox Grid.Row="1" Grid.Column="1" />
-                    <ListBox Grid.Row="2" Grid.Column="2" />
-                </UniformGrid>
+                <Frame
+                    x:Name="CabinetFunctionFrame"
+                    Grid.Row="0"
+                    Background="#ECF1FB" />
 
                 <UniformGrid
                     Grid.Row="1"
diff --git a/SubCabinetSolution/Views/CabinetWindow.xaml.cs b/SubCabinetSolution/Views/CabinetWindow.xaml.cs
index b92920d..7e32780 100644
--- a/SubCabinetSolution/Views/CabinetWindow.xaml.cs
+++ b/SubCabinetSolution/Views/CabinetWindow.xaml.cs
@@ -1,13 +1,10 @@
-using SubCabinetSolution.ViewModel;
-
-namespace SubCabinetSolution.Views
+namespace SubCabinetSolution.Views
 {
     public partial class CabinetWindow
     {
         public CabinetWindow()
         {
             InitializeComponent();
-            this.DataContext = new CabinetViewModel();
         }
     }
 }
\ No newline at end of file

diff --git a/.idea/.idea.SubCabinetSolution/.idea/encodings.xml b/.idea/.idea.SubCabinetSolution/.idea/encodings.xml
index df87cf9..56cd6ed 100644
--- a/.idea/.idea.SubCabinetSolution/.idea/encodings.xml
+++ b/.idea/.idea.SubCabinetSolution/.idea/encodings.xml
@@ -1,4 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="Encoding" addBOMForNewFiles="with BOM under Windows, with no BOM otherwise" />
+  <component name="Encoding" addBOMForNewFiles="with BOM under Windows, with no BOM otherwise">
+    <file url="file://$PROJECT_DIR$/SubCabinetSolution/ViewModel/ViewModelLocator.cs" charset="GBK" />
+  </component>
 </project>
\ No newline at end of file
diff --git a/.vs/SubCabinetSolution/v17/.suo b/.vs/SubCabinetSolution/v17/.suo
index 0898120..05cca62 100644
--- a/.vs/SubCabinetSolution/v17/.suo
+++ b/.vs/SubCabinetSolution/v17/.suo
Binary files differ
diff --git a/SubCabinetSolution/App.xaml b/SubCabinetSolution/App.xaml
index 3cf9003..45fee79 100644
--- a/SubCabinetSolution/App.xaml
+++ b/SubCabinetSolution/App.xaml
@@ -1,9 +1,15 @@
-<Application x:Class="SubCabinetSolution.App"
-             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
-             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-             xmlns:local="clr-namespace:SubCabinetSolution"
-             StartupUri="MainWindow.xaml">
+<Application
+    x:Class="SubCabinetSolution.App"
+    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+    xmlns:d1p1="http://schemas.openxmlformats.org/markup-compatibility/2006"
+    xmlns:vm="clr-namespace:SubCabinetSolution.ViewModel"
+    d1p1:Ignorable="d"
+    StartupUri="MainWindow.xaml">
     <Application.Resources>
-         
+        <ResourceDictionary>
+            <vm:ViewModelLocator x:Key="Locator" d:IsDataSource="True" />
+        </ResourceDictionary>
     </Application.Resources>
-</Application>
+</Application>
\ No newline at end of file
diff --git a/SubCabinetSolution/MainWindow.xaml b/SubCabinetSolution/MainWindow.xaml
index 18bdf0d..0e5725f 100644
--- a/SubCabinetSolution/MainWindow.xaml
+++ b/SubCabinetSolution/MainWindow.xaml
@@ -15,6 +15,10 @@
     WindowStyle="None"
     mc:Ignorable="d">
 
+    <Window.DataContext>
+        <Binding Path="MainWindow" Source="{StaticResource Locator}" />
+    </Window.DataContext>
+
     <Window.Resources>
         <Style x:Key="UserDefineButtonStyle" TargetType="Button">
             <Setter Property="Width" Value="200" />
diff --git a/SubCabinetSolution/MainWindow.xaml.cs b/SubCabinetSolution/MainWindow.xaml.cs
index 2b8b93f..bd57083 100644
--- a/SubCabinetSolution/MainWindow.xaml.cs
+++ b/SubCabinetSolution/MainWindow.xaml.cs
@@ -1,6 +1,4 @@
-using SubCabinetSolution.ViewModel;
-
-namespace SubCabinetSolution
+namespace SubCabinetSolution
 {
     /// <summary>
     /// Interaction logic for MainWindow.xaml
@@ -10,7 +8,6 @@
         public MainWindow()
         {
             InitializeComponent();
-            this.DataContext = new MainViewModel();
         }
     }
 }
\ No newline at end of file
diff --git a/SubCabinetSolution/SubCabinetSolution.csproj b/SubCabinetSolution/SubCabinetSolution.csproj
index a41311f..071c84d 100644
--- a/SubCabinetSolution/SubCabinetSolution.csproj
+++ b/SubCabinetSolution/SubCabinetSolution.csproj
@@ -156,13 +156,18 @@
     <Compile Include="Utils\DataBaseManager.cs" />
     <Compile Include="Utils\HttpRequestHandler.cs" />
     <Compile Include="Utils\LocalConstant.cs" />
+    <Compile Include="Utils\NavigationService.cs" />
     <Compile Include="Utils\PasswordBindingHelper.cs" />
     <Compile Include="ViewModel\CabinetViewModel.cs" />
+    <Compile Include="ViewModel\InquirePageViewModel.cs" />
     <Compile Include="ViewModel\MainViewModel.cs" />
     <Compile Include="ViewModel\ViewModelLocator.cs" />
     <Compile Include="Views\CabinetWindow.xaml.cs">
       <DependentUpon>CabinetWindow.xaml</DependentUpon>
     </Compile>
+    <Compile Include="Views\InquirePage.xaml.cs">
+      <DependentUpon>InquirePage.xaml</DependentUpon>
+    </Compile>
     <Page Include="MainWindow.xaml">
       <Generator>MSBuild:Compile</Generator>
       <SubType>Designer</SubType>
@@ -176,6 +181,10 @@
       <SubType>Code</SubType>
     </Compile>
     <Page Include="Views\CabinetWindow.xaml" />
+    <Page Include="Views\InquirePage.xaml">
+      <SubType>Designer</SubType>
+      <Generator>MSBuild:Compile</Generator>
+    </Page>
   </ItemGroup>
   <ItemGroup>
     <Compile Include="Properties\AssemblyInfo.cs">
diff --git a/SubCabinetSolution/Utils/NavigationService.cs b/SubCabinetSolution/Utils/NavigationService.cs
new file mode 100644
index 0000000..935a7fa
--- /dev/null
+++ b/SubCabinetSolution/Utils/NavigationService.cs
@@ -0,0 +1,125 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Media;
+using GalaSoft.MvvmLight;
+using GalaSoft.MvvmLight.Views;
+using SubCabinetSolution.Views;
+
+namespace SubCabinetSolution.Utils
+{
+    public class NavigationService : ViewModelBase, INavigationService
+    {
+        private readonly Dictionary<string, Uri> _pagesByKey;
+        private readonly List<string> _historic;
+        private string _currentPageKey;
+
+        #region Properties
+
+        public string CurrentPageKey
+        {
+            get { return _currentPageKey; }
+
+            private set { Set(() => CurrentPageKey, ref _currentPageKey, value); }
+        }
+
+        public object Parameter { get; private set; }
+
+        #endregion
+
+        #region Ctors and Methods
+
+        public NavigationService()
+        {
+            _pagesByKey = new Dictionary<string, Uri>();
+            _historic = new List<string>();
+        }
+
+        public void GoBack()
+        {
+            if (_historic.Count <= 1) return;
+            _historic.RemoveAt(_historic.Count - 1);
+
+            NavigateTo(_historic.Last(), "Back");
+        }
+
+        public void NavigateTo(string pageKey)
+        {
+            NavigateTo(pageKey, "Next");
+        }
+
+        public virtual void NavigateTo(string pageKey, object parameter)
+        {
+            lock (_pagesByKey)
+            {
+                if (!_pagesByKey.ContainsKey(pageKey))
+                {
+                    throw new ArgumentException($"No such page: {pageKey} ", nameof(pageKey));
+                }
+
+                // 设置应用主窗口，name要注意和xaml保持一致
+                CabinetWindow cabinetWindow = Application.Current.Windows
+                    .Cast<Window>()
+                    .FirstOrDefault(window => window is CabinetWindow) as CabinetWindow;
+                if (GetDescendantFromName(cabinetWindow, "CabinetFunctionFrame") is Frame frame)
+                {
+                    frame.Source = _pagesByKey[pageKey];
+                }
+
+                Parameter = parameter;
+                if (parameter.ToString().Equals("Next"))
+                {
+                    _historic.Add(pageKey);
+                }
+
+                CurrentPageKey = pageKey;
+            }
+        }
+
+        public void Configure(string key, Uri pageType)
+        {
+            lock (_pagesByKey)
+            {
+                if (_pagesByKey.ContainsKey(key))
+                {
+                    _pagesByKey[key] = pageType;
+                }
+                else
+                {
+                    _pagesByKey.Add(key, pageType);
+                }
+            }
+        }
+
+        private static FrameworkElement GetDescendantFromName(DependencyObject parent, string name)
+        {
+            var count = VisualTreeHelper.GetChildrenCount(parent);
+
+            if (count < 1)
+            {
+                return null;
+            }
+
+            for (var i = 0; i < count; i++)
+            {
+                if (!(VisualTreeHelper.GetChild(parent, i) is FrameworkElement frameworkElement)) continue;
+                if (frameworkElement.Name == name)
+                {
+                    return frameworkElement;
+                }
+
+                frameworkElement = GetDescendantFromName(frameworkElement, name);
+                if (frameworkElement != null)
+                {
+                    return frameworkElement;
+                }
+            }
+
+            return null;
+        }
+
+        #endregion
+    }
+}
\ No newline at end of file
diff --git a/SubCabinetSolution/ViewModel/CabinetViewModel.cs b/SubCabinetSolution/ViewModel/CabinetViewModel.cs
index b83489c..00d5e78 100644
--- a/SubCabinetSolution/ViewModel/CabinetViewModel.cs
+++ b/SubCabinetSolution/ViewModel/CabinetViewModel.cs
@@ -1,10 +1,11 @@
 using System;
 using System.Collections.Generic;
-using System.Diagnostics;
 using System.Windows;
 using System.Windows.Threading;
+using CommonServiceLocator;
 using GalaSoft.MvvmLight;
 using GalaSoft.MvvmLight.Command;
+using GalaSoft.MvvmLight.Views;
 using SubCabinetSolution.Model;
 using SubCabinetSolution.Views;
 
@@ -29,8 +30,9 @@
         public List<FunctionModel> FunctionModelList { get; set; }
         public List<FunctionModel> SettingsModelList { get; set; }
         public RelayCommand<object> FuncSelectedCommand { get; set; }
-        
-        public string MainTopTitle {
+
+        public string MainTopTitle
+        {
             get { return _mainTopTitle; }
             set
             {
@@ -38,9 +40,11 @@
                 RaisePropertyChanged(() => MainTopTitle);
             }
         }
+
         private string _mainTopTitle;
 
-        public string MainTopImage {
+        public string MainTopImage
+        {
             get { return _mainTopImage; }
             set
             {
@@ -48,6 +52,7 @@
                 RaisePropertyChanged(() => MainTopImage);
             }
         }
+
         private string _mainTopImage;
 
         public string UserInputKeywords
@@ -59,6 +64,7 @@
                 RaisePropertyChanged(() => UserInputKeywords);
             }
         }
+
         private string _inputKeywords;
         public RelayCommand SearchDataCommand { get; set; }
 
@@ -122,6 +128,34 @@
 
             this.MainTopImage = functionModel.Image;
             this.MainTopTitle = functionModel.Title;
+            switch (functionModel.Title)
+            {
+                case "手术单领用":
+
+                    break;
+                case "归还":
+
+                    break;
+                case "紧急领用":
+
+                    break;
+                case "上架":
+
+                    break;
+                case "盘点":
+
+                    break;
+                case "退SPD库":
+
+                    break;
+                case "查询":
+                    INavigationService navigationService = ServiceLocator.Current.GetInstance<INavigationService>();
+                    navigationService.NavigateTo("InquirePage");
+                    break;
+                case "主页":
+
+                    break;
+            }
         }
 
         private void SearchData()
diff --git a/SubCabinetSolution/ViewModel/InquirePageViewModel.cs b/SubCabinetSolution/ViewModel/InquirePageViewModel.cs
new file mode 100644
index 0000000..cd6a750
--- /dev/null
+++ b/SubCabinetSolution/ViewModel/InquirePageViewModel.cs
@@ -0,0 +1,15 @@
+using GalaSoft.MvvmLight;
+using GalaSoft.MvvmLight.Views;
+
+namespace SubCabinetSolution.ViewModel
+{
+    public class InquirePageViewModel : ViewModelBase
+    {
+        private INavigationService _navigationService;
+
+        public InquirePageViewModel(INavigationService navigationService)
+        {
+            this._navigationService = navigationService;
+        }
+    }
+}
\ No newline at end of file
diff --git a/SubCabinetSolution/ViewModel/ViewModelLocator.cs b/SubCabinetSolution/ViewModel/ViewModelLocator.cs
index 153abfc..a7ccd0b 100644
--- a/SubCabinetSolution/ViewModel/ViewModelLocator.cs
+++ b/SubCabinetSolution/ViewModel/ViewModelLocator.cs
@@ -12,8 +12,11 @@
   See http://www.galasoft.ch/mvvm
 */
 
+using System;
 using CommonServiceLocator;
 using GalaSoft.MvvmLight.Ioc;
+using GalaSoft.MvvmLight.Views;
+using SubCabinetSolution.Utils;
 
 namespace SubCabinetSolution.ViewModel
 {
@@ -23,6 +26,26 @@
     /// </summary>
     public class ViewModelLocator
     {
+        private static ViewModelLocator _default;
+        private static readonly object InstanceLock = new object();
+
+        public static ViewModelLocator Default
+        {
+            get
+            {
+                if (_default == null)
+                {
+                    lock (InstanceLock)
+                    {
+                        if (_default == null)
+                            _default = new ViewModelLocator();
+                    }
+                }
+
+                return _default;
+            }
+        }
+
         /// <summary>
         /// Initializes a new instance of the ViewModelLocator class.
         /// </summary>
@@ -30,30 +53,46 @@
         {
             ServiceLocator.SetLocatorProvider(() => SimpleIoc.Default);
 
-            ////if (ViewModelBase.IsInDesignModeStatic)
-            ////{
-            ////    // Create design time view services and models
-            ////    SimpleIoc.Default.Register<IDataService, DesignDataService>();
-            ////}
-            ////else
-            ////{
-            ////    // Create run time view services and models
-            ////    SimpleIoc.Default.Register<IDataService, DataService>();
-            ////}
+            // ע��ҳ��VM
+            SimpleIoc.Default.Register<MainViewModel>(); //��¼ҳ
+            SimpleIoc.Default.Register<CabinetViewModel>(); //������
+            SimpleIoc.Default.Register<InquirePageViewModel>(); //��ѯPageҳ
 
-            SimpleIoc.Default.Register<MainViewModel>();
-            SimpleIoc.Default.Register<CabinetViewModel>();
+            // ע�ᵼ��Service
+            INavigationService navigationService = this.InitNavigationService();
+            SimpleIoc.Default.Register(() => navigationService);
         }
 
-        public MainViewModel Main
+
+        /// <summary>
+        /// ����NavigationService����
+        /// </summary>
+        /// <returns>NavigationService</returns>
+        private INavigationService InitNavigationService()
         {
-            get { return ServiceLocator.Current.GetInstance<MainViewModel>(); }
+            NavigationService service = new NavigationService();
+
+            service.Configure("MainWindow",
+                new Uri("/SubCabinetSolution;component/Views/MainWindow.xaml", UriKind.Relative));
+            service.Configure("CabinetWindow",
+                new Uri("/SubCabinetSolution;component/Views/CabinetWindow.xaml", UriKind.Relative));
+            service.Configure("InquirePage",
+                new Uri("/SubCabinetSolution;component/Views/InquirePage.xaml", UriKind.Relative));
+
+            return service;
         }
 
-        public CabinetViewModel Cabinet
-        {
-            get { return ServiceLocator.Current.GetInstance<CabinetViewModel>(); }
-        }
+        /// <summary>
+        /// ����Service
+        /// </summary>
+        // public INavigationService NavigationService => ServiceLocator.Current.GetInstance<INavigationService>();
+
+        // ÿ��VM����Ҫ���ɶ�Ӧ��ʵ������Ȼ�ᱨ��ָ��
+        public MainViewModel MainWindow => ServiceLocator.Current.GetInstance<MainViewModel>();
+
+        public CabinetViewModel CabinetWindow => ServiceLocator.Current.GetInstance<CabinetViewModel>();
+
+        public InquirePageViewModel InquirePage => ServiceLocator.Current.GetInstance<InquirePageViewModel>();
 
         public static void Cleanup()
         {
diff --git a/SubCabinetSolution/Views/CabinetWindow.xaml b/SubCabinetSolution/Views/CabinetWindow.xaml
index 377df80..d4ec8cc 100644
--- a/SubCabinetSolution/Views/CabinetWindow.xaml
+++ b/SubCabinetSolution/Views/CabinetWindow.xaml
@@ -15,6 +15,10 @@
     WindowStyle="None"
     mc:Ignorable="d">
 
+    <Window.DataContext>
+        <Binding Path="CabinetWindow" Source="{StaticResource Locator}" />
+    </Window.DataContext>
+
     <Window.Resources>
         <Style x:Key="UserDefineButtonStyle" TargetType="Button">
             <Setter Property="Width" Value="60" />
@@ -86,6 +90,7 @@
                     Text="航天203所"
                     TextAlignment="Center" />
 
+                <!--  左边八个功能Item  -->
                 <ListBox
                     x:Name="FuncListBox"
                     Grid.Row="1"
@@ -93,7 +98,7 @@
                     VerticalAlignment="Center"
                     BorderThickness="0"
                     ItemsSource="{Binding FunctionModelList}"
-                    SelectedIndex="7">
+                    SelectedItem="{Binding FunctionModelList[7]}">
                     <interactivity:Interaction.Triggers>
                         <interactivity:EventTrigger EventName="SelectionChanged">
                             <interactivity:InvokeCommandAction Command="{Binding FuncSelectedCommand}" CommandParameter="{Binding SelectedItem, ElementName=FuncListBox}" />
@@ -156,6 +161,7 @@
                     </ListBox.ItemContainerStyle>
                 </ListBox>
 
+                <!--  底部三个功能Item  -->
                 <ListBox
                     Grid.Row="2"
                     HorizontalAlignment="Center"
@@ -174,9 +180,10 @@
                                 <Image
                                     Width="32"
                                     Height="32"
+                                    Margin="0,5,0,0"
                                     Source="{Binding Image}" />
                                 <TextBlock
-                                    Margin="0,10"
+                                    Margin="0,5"
                                     FontFamily="微软雅黑"
                                     Text="{Binding Title}"
                                     TextAlignment="Center" />
@@ -383,17 +390,10 @@
                 </Grid.RowDefinitions>
 
                 <!--  中间显示区域  -->
-                <UniformGrid
-                    Background="#ECF1FB"
-                    Columns="3"
-                    Rows="2">
-                    <ListBox Grid.Row="0" Grid.Column="0" />
-                    <ListBox Grid.Row="0" Grid.Column="1" />
-                    <ListBox Grid.Row="0" Grid.Column="2" />
-                    <ListBox Grid.Row="0" Grid.Column="0" />
-                    <ListBox Grid.Row="1" Grid.Column="1" />
-                    <ListBox Grid.Row="2" Grid.Column="2" />
-                </UniformGrid>
+                <Frame
+                    x:Name="CabinetFunctionFrame"
+                    Grid.Row="0"
+                    Background="#ECF1FB" />
 
                 <UniformGrid
                     Grid.Row="1"
diff --git a/SubCabinetSolution/Views/CabinetWindow.xaml.cs b/SubCabinetSolution/Views/CabinetWindow.xaml.cs
index b92920d..7e32780 100644
--- a/SubCabinetSolution/Views/CabinetWindow.xaml.cs
+++ b/SubCabinetSolution/Views/CabinetWindow.xaml.cs
@@ -1,13 +1,10 @@
-using SubCabinetSolution.ViewModel;
-
-namespace SubCabinetSolution.Views
+namespace SubCabinetSolution.Views
 {
     public partial class CabinetWindow
     {
         public CabinetWindow()
         {
             InitializeComponent();
-            this.DataContext = new CabinetViewModel();
         }
     }
 }
\ No newline at end of file
diff --git a/SubCabinetSolution/Views/InquirePage.xaml b/SubCabinetSolution/Views/InquirePage.xaml
new file mode 100644
index 0000000..135dffb
--- /dev/null
+++ b/SubCabinetSolution/Views/InquirePage.xaml
@@ -0,0 +1,15 @@
+<Page
+    x:Class="SubCabinetSolution.Views.InquirePage"
+    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+    Title="InquirePage"
+    d:DesignHeight="450"
+    d:DesignWidth="800"
+    mc:Ignorable="d">
+    <Page.DataContext>
+        <Binding Path="InquirePage" Source="{StaticResource Locator}" />
+    </Page.DataContext>
+    <Grid Background="Cyan" />
+</Page>
\ No newline at end of file

diff --git a/.idea/.idea.SubCabinetSolution/.idea/encodings.xml b/.idea/.idea.SubCabinetSolution/.idea/encodings.xml
index df87cf9..56cd6ed 100644
--- a/.idea/.idea.SubCabinetSolution/.idea/encodings.xml
+++ b/.idea/.idea.SubCabinetSolution/.idea/encodings.xml
@@ -1,4 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="Encoding" addBOMForNewFiles="with BOM under Windows, with no BOM otherwise" />
+  <component name="Encoding" addBOMForNewFiles="with BOM under Windows, with no BOM otherwise">
+    <file url="file://$PROJECT_DIR$/SubCabinetSolution/ViewModel/ViewModelLocator.cs" charset="GBK" />
+  </component>
 </project>
\ No newline at end of file
diff --git a/.vs/SubCabinetSolution/v17/.suo b/.vs/SubCabinetSolution/v17/.suo
index 0898120..05cca62 100644
--- a/.vs/SubCabinetSolution/v17/.suo
+++ b/.vs/SubCabinetSolution/v17/.suo
Binary files differ
diff --git a/SubCabinetSolution/App.xaml b/SubCabinetSolution/App.xaml
index 3cf9003..45fee79 100644
--- a/SubCabinetSolution/App.xaml
+++ b/SubCabinetSolution/App.xaml
@@ -1,9 +1,15 @@
-<Application x:Class="SubCabinetSolution.App"
-             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
-             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-             xmlns:local="clr-namespace:SubCabinetSolution"
-             StartupUri="MainWindow.xaml">
+<Application
+    x:Class="SubCabinetSolution.App"
+    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+    xmlns:d1p1="http://schemas.openxmlformats.org/markup-compatibility/2006"
+    xmlns:vm="clr-namespace:SubCabinetSolution.ViewModel"
+    d1p1:Ignorable="d"
+    StartupUri="MainWindow.xaml">
     <Application.Resources>
-         
+        <ResourceDictionary>
+            <vm:ViewModelLocator x:Key="Locator" d:IsDataSource="True" />
+        </ResourceDictionary>
     </Application.Resources>
-</Application>
+</Application>
\ No newline at end of file
diff --git a/SubCabinetSolution/MainWindow.xaml b/SubCabinetSolution/MainWindow.xaml
index 18bdf0d..0e5725f 100644
--- a/SubCabinetSolution/MainWindow.xaml
+++ b/SubCabinetSolution/MainWindow.xaml
@@ -15,6 +15,10 @@
     WindowStyle="None"
     mc:Ignorable="d">
 
+    <Window.DataContext>
+        <Binding Path="MainWindow" Source="{StaticResource Locator}" />
+    </Window.DataContext>
+
     <Window.Resources>
         <Style x:Key="UserDefineButtonStyle" TargetType="Button">
             <Setter Property="Width" Value="200" />
diff --git a/SubCabinetSolution/MainWindow.xaml.cs b/SubCabinetSolution/MainWindow.xaml.cs
index 2b8b93f..bd57083 100644
--- a/SubCabinetSolution/MainWindow.xaml.cs
+++ b/SubCabinetSolution/MainWindow.xaml.cs
@@ -1,6 +1,4 @@
-using SubCabinetSolution.ViewModel;
-
-namespace SubCabinetSolution
+namespace SubCabinetSolution
 {
     /// <summary>
     /// Interaction logic for MainWindow.xaml
@@ -10,7 +8,6 @@
         public MainWindow()
         {
             InitializeComponent();
-            this.DataContext = new MainViewModel();
         }
     }
 }
\ No newline at end of file
diff --git a/SubCabinetSolution/SubCabinetSolution.csproj b/SubCabinetSolution/SubCabinetSolution.csproj
index a41311f..071c84d 100644
--- a/SubCabinetSolution/SubCabinetSolution.csproj
+++ b/SubCabinetSolution/SubCabinetSolution.csproj
@@ -156,13 +156,18 @@
     <Compile Include="Utils\DataBaseManager.cs" />
     <Compile Include="Utils\HttpRequestHandler.cs" />
     <Compile Include="Utils\LocalConstant.cs" />
+    <Compile Include="Utils\NavigationService.cs" />
     <Compile Include="Utils\PasswordBindingHelper.cs" />
     <Compile Include="ViewModel\CabinetViewModel.cs" />
+    <Compile Include="ViewModel\InquirePageViewModel.cs" />
     <Compile Include="ViewModel\MainViewModel.cs" />
     <Compile Include="ViewModel\ViewModelLocator.cs" />
     <Compile Include="Views\CabinetWindow.xaml.cs">
       <DependentUpon>CabinetWindow.xaml</DependentUpon>
     </Compile>
+    <Compile Include="Views\InquirePage.xaml.cs">
+      <DependentUpon>InquirePage.xaml</DependentUpon>
+    </Compile>
     <Page Include="MainWindow.xaml">
       <Generator>MSBuild:Compile</Generator>
       <SubType>Designer</SubType>
@@ -176,6 +181,10 @@
       <SubType>Code</SubType>
     </Compile>
     <Page Include="Views\CabinetWindow.xaml" />
+    <Page Include="Views\InquirePage.xaml">
+      <SubType>Designer</SubType>
+      <Generator>MSBuild:Compile</Generator>
+    </Page>
   </ItemGroup>
   <ItemGroup>
     <Compile Include="Properties\AssemblyInfo.cs">
diff --git a/SubCabinetSolution/Utils/NavigationService.cs b/SubCabinetSolution/Utils/NavigationService.cs
new file mode 100644
index 0000000..935a7fa
--- /dev/null
+++ b/SubCabinetSolution/Utils/NavigationService.cs
@@ -0,0 +1,125 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Media;
+using GalaSoft.MvvmLight;
+using GalaSoft.MvvmLight.Views;
+using SubCabinetSolution.Views;
+
+namespace SubCabinetSolution.Utils
+{
+    public class NavigationService : ViewModelBase, INavigationService
+    {
+        private readonly Dictionary<string, Uri> _pagesByKey;
+        private readonly List<string> _historic;
+        private string _currentPageKey;
+
+        #region Properties
+
+        public string CurrentPageKey
+        {
+            get { return _currentPageKey; }
+
+            private set { Set(() => CurrentPageKey, ref _currentPageKey, value); }
+        }
+
+        public object Parameter { get; private set; }
+
+        #endregion
+
+        #region Ctors and Methods
+
+        public NavigationService()
+        {
+            _pagesByKey = new Dictionary<string, Uri>();
+            _historic = new List<string>();
+        }
+
+        public void GoBack()
+        {
+            if (_historic.Count <= 1) return;
+            _historic.RemoveAt(_historic.Count - 1);
+
+            NavigateTo(_historic.Last(), "Back");
+        }
+
+        public void NavigateTo(string pageKey)
+        {
+            NavigateTo(pageKey, "Next");
+        }
+
+        public virtual void NavigateTo(string pageKey, object parameter)
+        {
+            lock (_pagesByKey)
+            {
+                if (!_pagesByKey.ContainsKey(pageKey))
+                {
+                    throw new ArgumentException($"No such page: {pageKey} ", nameof(pageKey));
+                }
+
+                // 设置应用主窗口，name要注意和xaml保持一致
+                CabinetWindow cabinetWindow = Application.Current.Windows
+                    .Cast<Window>()
+                    .FirstOrDefault(window => window is CabinetWindow) as CabinetWindow;
+                if (GetDescendantFromName(cabinetWindow, "CabinetFunctionFrame") is Frame frame)
+                {
+                    frame.Source = _pagesByKey[pageKey];
+                }
+
+                Parameter = parameter;
+                if (parameter.ToString().Equals("Next"))
+                {
+                    _historic.Add(pageKey);
+                }
+
+                CurrentPageKey = pageKey;
+            }
+        }
+
+        public void Configure(string key, Uri pageType)
+        {
+            lock (_pagesByKey)
+            {
+                if (_pagesByKey.ContainsKey(key))
+                {
+                    _pagesByKey[key] = pageType;
+                }
+                else
+                {
+                    _pagesByKey.Add(key, pageType);
+                }
+            }
+        }
+
+        private static FrameworkElement GetDescendantFromName(DependencyObject parent, string name)
+        {
+            var count = VisualTreeHelper.GetChildrenCount(parent);
+
+            if (count < 1)
+            {
+                return null;
+            }
+
+            for (var i = 0; i < count; i++)
+            {
+                if (!(VisualTreeHelper.GetChild(parent, i) is FrameworkElement frameworkElement)) continue;
+                if (frameworkElement.Name == name)
+                {
+                    return frameworkElement;
+                }
+
+                frameworkElement = GetDescendantFromName(frameworkElement, name);
+                if (frameworkElement != null)
+                {
+                    return frameworkElement;
+                }
+            }
+
+            return null;
+        }
+
+        #endregion
+    }
+}
\ No newline at end of file
diff --git a/SubCabinetSolution/ViewModel/CabinetViewModel.cs b/SubCabinetSolution/ViewModel/CabinetViewModel.cs
index b83489c..00d5e78 100644
--- a/SubCabinetSolution/ViewModel/CabinetViewModel.cs
+++ b/SubCabinetSolution/ViewModel/CabinetViewModel.cs
@@ -1,10 +1,11 @@
 using System;
 using System.Collections.Generic;
-using System.Diagnostics;
 using System.Windows;
 using System.Windows.Threading;
+using CommonServiceLocator;
 using GalaSoft.MvvmLight;
 using GalaSoft.MvvmLight.Command;
+using GalaSoft.MvvmLight.Views;
 using SubCabinetSolution.Model;
 using SubCabinetSolution.Views;
 
@@ -29,8 +30,9 @@
         public List<FunctionModel> FunctionModelList { get; set; }
         public List<FunctionModel> SettingsModelList { get; set; }
         public RelayCommand<object> FuncSelectedCommand { get; set; }
-        
-        public string MainTopTitle {
+
+        public string MainTopTitle
+        {
             get { return _mainTopTitle; }
             set
             {
@@ -38,9 +40,11 @@
                 RaisePropertyChanged(() => MainTopTitle);
             }
         }
+
         private string _mainTopTitle;
 
-        public string MainTopImage {
+        public string MainTopImage
+        {
             get { return _mainTopImage; }
             set
             {
@@ -48,6 +52,7 @@
                 RaisePropertyChanged(() => MainTopImage);
             }
         }
+
         private string _mainTopImage;
 
         public string UserInputKeywords
@@ -59,6 +64,7 @@
                 RaisePropertyChanged(() => UserInputKeywords);
             }
         }
+
         private string _inputKeywords;
         public RelayCommand SearchDataCommand { get; set; }
 
@@ -122,6 +128,34 @@
 
             this.MainTopImage = functionModel.Image;
             this.MainTopTitle = functionModel.Title;
+            switch (functionModel.Title)
+            {
+                case "手术单领用":
+
+                    break;
+                case "归还":
+
+                    break;
+                case "紧急领用":
+
+                    break;
+                case "上架":
+
+                    break;
+                case "盘点":
+
+                    break;
+                case "退SPD库":
+
+                    break;
+                case "查询":
+                    INavigationService navigationService = ServiceLocator.Current.GetInstance<INavigationService>();
+                    navigationService.NavigateTo("InquirePage");
+                    break;
+                case "主页":
+
+                    break;
+            }
         }
 
         private void SearchData()
diff --git a/SubCabinetSolution/ViewModel/InquirePageViewModel.cs b/SubCabinetSolution/ViewModel/InquirePageViewModel.cs
new file mode 100644
index 0000000..cd6a750
--- /dev/null
+++ b/SubCabinetSolution/ViewModel/InquirePageViewModel.cs
@@ -0,0 +1,15 @@
+using GalaSoft.MvvmLight;
+using GalaSoft.MvvmLight.Views;
+
+namespace SubCabinetSolution.ViewModel
+{
+    public class InquirePageViewModel : ViewModelBase
+    {
+        private INavigationService _navigationService;
+
+        public InquirePageViewModel(INavigationService navigationService)
+        {
+            this._navigationService = navigationService;
+        }
+    }
+}
\ No newline at end of file
diff --git a/SubCabinetSolution/ViewModel/ViewModelLocator.cs b/SubCabinetSolution/ViewModel/ViewModelLocator.cs
index 153abfc..a7ccd0b 100644
--- a/SubCabinetSolution/ViewModel/ViewModelLocator.cs
+++ b/SubCabinetSolution/ViewModel/ViewModelLocator.cs
@@ -12,8 +12,11 @@
   See http://www.galasoft.ch/mvvm
 */
 
+using System;
 using CommonServiceLocator;
 using GalaSoft.MvvmLight.Ioc;
+using GalaSoft.MvvmLight.Views;
+using SubCabinetSolution.Utils;
 
 namespace SubCabinetSolution.ViewModel
 {
@@ -23,6 +26,26 @@
     /// </summary>
     public class ViewModelLocator
     {
+        private static ViewModelLocator _default;
+        private static readonly object InstanceLock = new object();
+
+        public static ViewModelLocator Default
+        {
+            get
+            {
+                if (_default == null)
+                {
+                    lock (InstanceLock)
+                    {
+                        if (_default == null)
+                            _default = new ViewModelLocator();
+                    }
+                }
+
+                return _default;
+            }
+        }
+
         /// <summary>
         /// Initializes a new instance of the ViewModelLocator class.
         /// </summary>
@@ -30,30 +53,46 @@
         {
             ServiceLocator.SetLocatorProvider(() => SimpleIoc.Default);
 
-            ////if (ViewModelBase.IsInDesignModeStatic)
-            ////{
-            ////    // Create design time view services and models
-            ////    SimpleIoc.Default.Register<IDataService, DesignDataService>();
-            ////}
-            ////else
-            ////{
-            ////    // Create run time view services and models
-            ////    SimpleIoc.Default.Register<IDataService, DataService>();
-            ////}
+            // ע��ҳ��VM
+            SimpleIoc.Default.Register<MainViewModel>(); //��¼ҳ
+            SimpleIoc.Default.Register<CabinetViewModel>(); //������
+            SimpleIoc.Default.Register<InquirePageViewModel>(); //��ѯPageҳ
 
-            SimpleIoc.Default.Register<MainViewModel>();
-            SimpleIoc.Default.Register<CabinetViewModel>();
+            // ע�ᵼ��Service
+            INavigationService navigationService = this.InitNavigationService();
+            SimpleIoc.Default.Register(() => navigationService);
         }
 
-        public MainViewModel Main
+
+        /// <summary>
+        /// ����NavigationService����
+        /// </summary>
+        /// <returns>NavigationService</returns>
+        private INavigationService InitNavigationService()
         {
-            get { return ServiceLocator.Current.GetInstance<MainViewModel>(); }
+            NavigationService service = new NavigationService();
+
+            service.Configure("MainWindow",
+                new Uri("/SubCabinetSolution;component/Views/MainWindow.xaml", UriKind.Relative));
+            service.Configure("CabinetWindow",
+                new Uri("/SubCabinetSolution;component/Views/CabinetWindow.xaml", UriKind.Relative));
+            service.Configure("InquirePage",
+                new Uri("/SubCabinetSolution;component/Views/InquirePage.xaml", UriKind.Relative));
+
+            return service;
         }
 
-        public CabinetViewModel Cabinet
-        {
-            get { return ServiceLocator.Current.GetInstance<CabinetViewModel>(); }
-        }
+        /// <summary>
+        /// ����Service
+        /// </summary>
+        // public INavigationService NavigationService => ServiceLocator.Current.GetInstance<INavigationService>();
+
+        // ÿ��VM����Ҫ���ɶ�Ӧ��ʵ������Ȼ�ᱨ��ָ��
+        public MainViewModel MainWindow => ServiceLocator.Current.GetInstance<MainViewModel>();
+
+        public CabinetViewModel CabinetWindow => ServiceLocator.Current.GetInstance<CabinetViewModel>();
+
+        public InquirePageViewModel InquirePage => ServiceLocator.Current.GetInstance<InquirePageViewModel>();
 
         public static void Cleanup()
         {
diff --git a/SubCabinetSolution/Views/CabinetWindow.xaml b/SubCabinetSolution/Views/CabinetWindow.xaml
index 377df80..d4ec8cc 100644
--- a/SubCabinetSolution/Views/CabinetWindow.xaml
+++ b/SubCabinetSolution/Views/CabinetWindow.xaml
@@ -15,6 +15,10 @@
     WindowStyle="None"
     mc:Ignorable="d">
 
+    <Window.DataContext>
+        <Binding Path="CabinetWindow" Source="{StaticResource Locator}" />
+    </Window.DataContext>
+
     <Window.Resources>
         <Style x:Key="UserDefineButtonStyle" TargetType="Button">
             <Setter Property="Width" Value="60" />
@@ -86,6 +90,7 @@
                     Text="航天203所"
                     TextAlignment="Center" />
 
+                <!--  左边八个功能Item  -->
                 <ListBox
                     x:Name="FuncListBox"
                     Grid.Row="1"
@@ -93,7 +98,7 @@
                     VerticalAlignment="Center"
                     BorderThickness="0"
                     ItemsSource="{Binding FunctionModelList}"
-                    SelectedIndex="7">
+                    SelectedItem="{Binding FunctionModelList[7]}">
                     <interactivity:Interaction.Triggers>
                         <interactivity:EventTrigger EventName="SelectionChanged">
                             <interactivity:InvokeCommandAction Command="{Binding FuncSelectedCommand}" CommandParameter="{Binding SelectedItem, ElementName=FuncListBox}" />
@@ -156,6 +161,7 @@
                     </ListBox.ItemContainerStyle>
                 </ListBox>
 
+                <!--  底部三个功能Item  -->
                 <ListBox
                     Grid.Row="2"
                     HorizontalAlignment="Center"
@@ -174,9 +180,10 @@
                                 <Image
                                     Width="32"
                                     Height="32"
+                                    Margin="0,5,0,0"
                                     Source="{Binding Image}" />
                                 <TextBlock
-                                    Margin="0,10"
+                                    Margin="0,5"
                                     FontFamily="微软雅黑"
                                     Text="{Binding Title}"
                                     TextAlignment="Center" />
@@ -383,17 +390,10 @@
                 </Grid.RowDefinitions>
 
                 <!--  中间显示区域  -->
-                <UniformGrid
-                    Background="#ECF1FB"
-                    Columns="3"
-                    Rows="2">
-                    <ListBox Grid.Row="0" Grid.Column="0" />
-                    <ListBox Grid.Row="0" Grid.Column="1" />
-                    <ListBox Grid.Row="0" Grid.Column="2" />
-                    <ListBox Grid.Row="0" Grid.Column="0" />
-                    <ListBox Grid.Row="1" Grid.Column="1" />
-                    <ListBox Grid.Row="2" Grid.Column="2" />
-                </UniformGrid>
+                <Frame
+                    x:Name="CabinetFunctionFrame"
+                    Grid.Row="0"
+                    Background="#ECF1FB" />
 
                 <UniformGrid
                     Grid.Row="1"
diff --git a/SubCabinetSolution/Views/CabinetWindow.xaml.cs b/SubCabinetSolution/Views/CabinetWindow.xaml.cs
index b92920d..7e32780 100644
--- a/SubCabinetSolution/Views/CabinetWindow.xaml.cs
+++ b/SubCabinetSolution/Views/CabinetWindow.xaml.cs
@@ -1,13 +1,10 @@
-using SubCabinetSolution.ViewModel;
-
-namespace SubCabinetSolution.Views
+namespace SubCabinetSolution.Views
 {
     public partial class CabinetWindow
     {
         public CabinetWindow()
         {
             InitializeComponent();
-            this.DataContext = new CabinetViewModel();
         }
     }
 }
\ No newline at end of file
diff --git a/SubCabinetSolution/Views/InquirePage.xaml b/SubCabinetSolution/Views/InquirePage.xaml
new file mode 100644
index 0000000..135dffb
--- /dev/null
+++ b/SubCabinetSolution/Views/InquirePage.xaml
@@ -0,0 +1,15 @@
+<Page
+    x:Class="SubCabinetSolution.Views.InquirePage"
+    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+    Title="InquirePage"
+    d:DesignHeight="450"
+    d:DesignWidth="800"
+    mc:Ignorable="d">
+    <Page.DataContext>
+        <Binding Path="InquirePage" Source="{StaticResource Locator}" />
+    </Page.DataContext>
+    <Grid Background="Cyan" />
+</Page>
\ No newline at end of file
diff --git a/SubCabinetSolution/Views/InquirePage.xaml.cs b/SubCabinetSolution/Views/InquirePage.xaml.cs
new file mode 100644
index 0000000..9d22947
--- /dev/null
+++ b/SubCabinetSolution/Views/InquirePage.xaml.cs
@@ -0,0 +1,15 @@
+using System.Windows.Controls;
+
+namespace SubCabinetSolution.Views
+{
+    /// <summary>
+    /// InquirePage.xaml 的交互逻辑
+    /// </summary>
+    public partial class InquirePage : Page
+    {
+        public InquirePage()
+        {
+            InitializeComponent();
+        }
+    }
+}
\ No newline at end of file

diff --git a/.idea/.idea.SubCabinetSolution/.idea/encodings.xml b/.idea/.idea.SubCabinetSolution/.idea/encodings.xml
index df87cf9..56cd6ed 100644
--- a/.idea/.idea.SubCabinetSolution/.idea/encodings.xml
+++ b/.idea/.idea.SubCabinetSolution/.idea/encodings.xml
@@ -1,4 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="Encoding" addBOMForNewFiles="with BOM under Windows, with no BOM otherwise" />
+  <component name="Encoding" addBOMForNewFiles="with BOM under Windows, with no BOM otherwise">
+    <file url="file://$PROJECT_DIR$/SubCabinetSolution/ViewModel/ViewModelLocator.cs" charset="GBK" />
+  </component>
 </project>
\ No newline at end of file
diff --git a/.vs/SubCabinetSolution/v17/.suo b/.vs/SubCabinetSolution/v17/.suo
index 0898120..05cca62 100644
--- a/.vs/SubCabinetSolution/v17/.suo
+++ b/.vs/SubCabinetSolution/v17/.suo
Binary files differ
diff --git a/SubCabinetSolution/App.xaml b/SubCabinetSolution/App.xaml
index 3cf9003..45fee79 100644
--- a/SubCabinetSolution/App.xaml
+++ b/SubCabinetSolution/App.xaml
@@ -1,9 +1,15 @@
-<Application x:Class="SubCabinetSolution.App"
-             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
-             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-             xmlns:local="clr-namespace:SubCabinetSolution"
-             StartupUri="MainWindow.xaml">
+<Application
+    x:Class="SubCabinetSolution.App"
+    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+    xmlns:d1p1="http://schemas.openxmlformats.org/markup-compatibility/2006"
+    xmlns:vm="clr-namespace:SubCabinetSolution.ViewModel"
+    d1p1:Ignorable="d"
+    StartupUri="MainWindow.xaml">
     <Application.Resources>
-         
+        <ResourceDictionary>
+            <vm:ViewModelLocator x:Key="Locator" d:IsDataSource="True" />
+        </ResourceDictionary>
     </Application.Resources>
-</Application>
+</Application>
\ No newline at end of file
diff --git a/SubCabinetSolution/MainWindow.xaml b/SubCabinetSolution/MainWindow.xaml
index 18bdf0d..0e5725f 100644
--- a/SubCabinetSolution/MainWindow.xaml
+++ b/SubCabinetSolution/MainWindow.xaml
@@ -15,6 +15,10 @@
     WindowStyle="None"
     mc:Ignorable="d">
 
+    <Window.DataContext>
+        <Binding Path="MainWindow" Source="{StaticResource Locator}" />
+    </Window.DataContext>
+
     <Window.Resources>
         <Style x:Key="UserDefineButtonStyle" TargetType="Button">
             <Setter Property="Width" Value="200" />
diff --git a/SubCabinetSolution/MainWindow.xaml.cs b/SubCabinetSolution/MainWindow.xaml.cs
index 2b8b93f..bd57083 100644
--- a/SubCabinetSolution/MainWindow.xaml.cs
+++ b/SubCabinetSolution/MainWindow.xaml.cs
@@ -1,6 +1,4 @@
-using SubCabinetSolution.ViewModel;
-
-namespace SubCabinetSolution
+namespace SubCabinetSolution
 {
     /// <summary>
     /// Interaction logic for MainWindow.xaml
@@ -10,7 +8,6 @@
         public MainWindow()
         {
             InitializeComponent();
-            this.DataContext = new MainViewModel();
         }
     }
 }
\ No newline at end of file
diff --git a/SubCabinetSolution/SubCabinetSolution.csproj b/SubCabinetSolution/SubCabinetSolution.csproj
index a41311f..071c84d 100644
--- a/SubCabinetSolution/SubCabinetSolution.csproj
+++ b/SubCabinetSolution/SubCabinetSolution.csproj
@@ -156,13 +156,18 @@
     <Compile Include="Utils\DataBaseManager.cs" />
     <Compile Include="Utils\HttpRequestHandler.cs" />
     <Compile Include="Utils\LocalConstant.cs" />
+    <Compile Include="Utils\NavigationService.cs" />
     <Compile Include="Utils\PasswordBindingHelper.cs" />
     <Compile Include="ViewModel\CabinetViewModel.cs" />
+    <Compile Include="ViewModel\InquirePageViewModel.cs" />
     <Compile Include="ViewModel\MainViewModel.cs" />
     <Compile Include="ViewModel\ViewModelLocator.cs" />
     <Compile Include="Views\CabinetWindow.xaml.cs">
       <DependentUpon>CabinetWindow.xaml</DependentUpon>
     </Compile>
+    <Compile Include="Views\InquirePage.xaml.cs">
+      <DependentUpon>InquirePage.xaml</DependentUpon>
+    </Compile>
     <Page Include="MainWindow.xaml">
       <Generator>MSBuild:Compile</Generator>
       <SubType>Designer</SubType>
@@ -176,6 +181,10 @@
       <SubType>Code</SubType>
     </Compile>
     <Page Include="Views\CabinetWindow.xaml" />
+    <Page Include="Views\InquirePage.xaml">
+      <SubType>Designer</SubType>
+      <Generator>MSBuild:Compile</Generator>
+    </Page>
   </ItemGroup>
   <ItemGroup>
     <Compile Include="Properties\AssemblyInfo.cs">
diff --git a/SubCabinetSolution/Utils/NavigationService.cs b/SubCabinetSolution/Utils/NavigationService.cs
new file mode 100644
index 0000000..935a7fa
--- /dev/null
+++ b/SubCabinetSolution/Utils/NavigationService.cs
@@ -0,0 +1,125 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Media;
+using GalaSoft.MvvmLight;
+using GalaSoft.MvvmLight.Views;
+using SubCabinetSolution.Views;
+
+namespace SubCabinetSolution.Utils
+{
+    public class NavigationService : ViewModelBase, INavigationService
+    {
+        private readonly Dictionary<string, Uri> _pagesByKey;
+        private readonly List<string> _historic;
+        private string _currentPageKey;
+
+        #region Properties
+
+        public string CurrentPageKey
+        {
+            get { return _currentPageKey; }
+
+            private set { Set(() => CurrentPageKey, ref _currentPageKey, value); }
+        }
+
+        public object Parameter { get; private set; }
+
+        #endregion
+
+        #region Ctors and Methods
+
+        public NavigationService()
+        {
+            _pagesByKey = new Dictionary<string, Uri>();
+            _historic = new List<string>();
+        }
+
+        public void GoBack()
+        {
+            if (_historic.Count <= 1) return;
+            _historic.RemoveAt(_historic.Count - 1);
+
+            NavigateTo(_historic.Last(), "Back");
+        }
+
+        public void NavigateTo(string pageKey)
+        {
+            NavigateTo(pageKey, "Next");
+        }
+
+        public virtual void NavigateTo(string pageKey, object parameter)
+        {
+            lock (_pagesByKey)
+            {
+                if (!_pagesByKey.ContainsKey(pageKey))
+                {
+                    throw new ArgumentException($"No such page: {pageKey} ", nameof(pageKey));
+                }
+
+                // 设置应用主窗口，name要注意和xaml保持一致
+                CabinetWindow cabinetWindow = Application.Current.Windows
+                    .Cast<Window>()
+                    .FirstOrDefault(window => window is CabinetWindow) as CabinetWindow;
+                if (GetDescendantFromName(cabinetWindow, "CabinetFunctionFrame") is Frame frame)
+                {
+                    frame.Source = _pagesByKey[pageKey];
+                }
+
+                Parameter = parameter;
+                if (parameter.ToString().Equals("Next"))
+                {
+                    _historic.Add(pageKey);
+                }
+
+                CurrentPageKey = pageKey;
+            }
+        }
+
+        public void Configure(string key, Uri pageType)
+        {
+            lock (_pagesByKey)
+            {
+                if (_pagesByKey.ContainsKey(key))
+                {
+                    _pagesByKey[key] = pageType;
+                }
+                else
+                {
+                    _pagesByKey.Add(key, pageType);
+                }
+            }
+        }
+
+        private static FrameworkElement GetDescendantFromName(DependencyObject parent, string name)
+        {
+            var count = VisualTreeHelper.GetChildrenCount(parent);
+
+            if (count < 1)
+            {
+                return null;
+            }
+
+            for (var i = 0; i < count; i++)
+            {
+                if (!(VisualTreeHelper.GetChild(parent, i) is FrameworkElement frameworkElement)) continue;
+                if (frameworkElement.Name == name)
+                {
+                    return frameworkElement;
+                }
+
+                frameworkElement = GetDescendantFromName(frameworkElement, name);
+                if (frameworkElement != null)
+                {
+                    return frameworkElement;
+                }
+            }
+
+            return null;
+        }
+
+        #endregion
+    }
+}
\ No newline at end of file
diff --git a/SubCabinetSolution/ViewModel/CabinetViewModel.cs b/SubCabinetSolution/ViewModel/CabinetViewModel.cs
index b83489c..00d5e78 100644
--- a/SubCabinetSolution/ViewModel/CabinetViewModel.cs
+++ b/SubCabinetSolution/ViewModel/CabinetViewModel.cs
@@ -1,10 +1,11 @@
 using System;
 using System.Collections.Generic;
-using System.Diagnostics;
 using System.Windows;
 using System.Windows.Threading;
+using CommonServiceLocator;
 using GalaSoft.MvvmLight;
 using GalaSoft.MvvmLight.Command;
+using GalaSoft.MvvmLight.Views;
 using SubCabinetSolution.Model;
 using SubCabinetSolution.Views;
 
@@ -29,8 +30,9 @@
         public List<FunctionModel> FunctionModelList { get; set; }
         public List<FunctionModel> SettingsModelList { get; set; }
         public RelayCommand<object> FuncSelectedCommand { get; set; }
-        
-        public string MainTopTitle {
+
+        public string MainTopTitle
+        {
             get { return _mainTopTitle; }
             set
             {
@@ -38,9 +40,11 @@
                 RaisePropertyChanged(() => MainTopTitle);
             }
         }
+
         private string _mainTopTitle;
 
-        public string MainTopImage {
+        public string MainTopImage
+        {
             get { return _mainTopImage; }
             set
             {
@@ -48,6 +52,7 @@
                 RaisePropertyChanged(() => MainTopImage);
             }
         }
+
         private string _mainTopImage;
 
         public string UserInputKeywords
@@ -59,6 +64,7 @@
                 RaisePropertyChanged(() => UserInputKeywords);
             }
         }
+
         private string _inputKeywords;
         public RelayCommand SearchDataCommand { get; set; }
 
@@ -122,6 +128,34 @@
 
             this.MainTopImage = functionModel.Image;
             this.MainTopTitle = functionModel.Title;
+            switch (functionModel.Title)
+            {
+                case "手术单领用":
+
+                    break;
+                case "归还":
+
+                    break;
+                case "紧急领用":
+
+                    break;
+                case "上架":
+
+                    break;
+                case "盘点":
+
+                    break;
+                case "退SPD库":
+
+                    break;
+                case "查询":
+                    INavigationService navigationService = ServiceLocator.Current.GetInstance<INavigationService>();
+                    navigationService.NavigateTo("InquirePage");
+                    break;
+                case "主页":
+
+                    break;
+            }
         }
 
         private void SearchData()
diff --git a/SubCabinetSolution/ViewModel/InquirePageViewModel.cs b/SubCabinetSolution/ViewModel/InquirePageViewModel.cs
new file mode 100644
index 0000000..cd6a750
--- /dev/null
+++ b/SubCabinetSolution/ViewModel/InquirePageViewModel.cs
@@ -0,0 +1,15 @@
+using GalaSoft.MvvmLight;
+using GalaSoft.MvvmLight.Views;
+
+namespace SubCabinetSolution.ViewModel
+{
+    public class InquirePageViewModel : ViewModelBase
+    {
+        private INavigationService _navigationService;
+
+        public InquirePageViewModel(INavigationService navigationService)
+        {
+            this._navigationService = navigationService;
+        }
+    }
+}
\ No newline at end of file
diff --git a/SubCabinetSolution/ViewModel/ViewModelLocator.cs b/SubCabinetSolution/ViewModel/ViewModelLocator.cs
index 153abfc..a7ccd0b 100644
--- a/SubCabinetSolution/ViewModel/ViewModelLocator.cs
+++ b/SubCabinetSolution/ViewModel/ViewModelLocator.cs
@@ -12,8 +12,11 @@
   See http://www.galasoft.ch/mvvm
 */
 
+using System;
 using CommonServiceLocator;
 using GalaSoft.MvvmLight.Ioc;
+using GalaSoft.MvvmLight.Views;
+using SubCabinetSolution.Utils;
 
 namespace SubCabinetSolution.ViewModel
 {
@@ -23,6 +26,26 @@
     /// </summary>
     public class ViewModelLocator
     {
+        private static ViewModelLocator _default;
+        private static readonly object InstanceLock = new object();
+
+        public static ViewModelLocator Default
+        {
+            get
+            {
+                if (_default == null)
+                {
+                    lock (InstanceLock)
+                    {
+                        if (_default == null)
+                            _default = new ViewModelLocator();
+                    }
+                }
+
+                return _default;
+            }
+        }
+
         /// <summary>
         /// Initializes a new instance of the ViewModelLocator class.
         /// </summary>
@@ -30,30 +53,46 @@
         {
             ServiceLocator.SetLocatorProvider(() => SimpleIoc.Default);
 
-            ////if (ViewModelBase.IsInDesignModeStatic)
-            ////{
-            ////    // Create design time view services and models
-            ////    SimpleIoc.Default.Register<IDataService, DesignDataService>();
-            ////}
-            ////else
-            ////{
-            ////    // Create run time view services and models
-            ////    SimpleIoc.Default.Register<IDataService, DataService>();
-            ////}
+            // ע��ҳ��VM
+            SimpleIoc.Default.Register<MainViewModel>(); //��¼ҳ
+            SimpleIoc.Default.Register<CabinetViewModel>(); //������
+            SimpleIoc.Default.Register<InquirePageViewModel>(); //��ѯPageҳ
 
-            SimpleIoc.Default.Register<MainViewModel>();
-            SimpleIoc.Default.Register<CabinetViewModel>();
+            // ע�ᵼ��Service
+            INavigationService navigationService = this.InitNavigationService();
+            SimpleIoc.Default.Register(() => navigationService);
         }
 
-        public MainViewModel Main
+
+        /// <summary>
+        /// ����NavigationService����
+        /// </summary>
+        /// <returns>NavigationService</returns>
+        private INavigationService InitNavigationService()
         {
-            get { return ServiceLocator.Current.GetInstance<MainViewModel>(); }
+            NavigationService service = new NavigationService();
+
+            service.Configure("MainWindow",
+                new Uri("/SubCabinetSolution;component/Views/MainWindow.xaml", UriKind.Relative));
+            service.Configure("CabinetWindow",
+                new Uri("/SubCabinetSolution;component/Views/CabinetWindow.xaml", UriKind.Relative));
+            service.Configure("InquirePage",
+                new Uri("/SubCabinetSolution;component/Views/InquirePage.xaml", UriKind.Relative));
+
+            return service;
         }
 
-        public CabinetViewModel Cabinet
-        {
-            get { return ServiceLocator.Current.GetInstance<CabinetViewModel>(); }
-        }
+        /// <summary>
+        /// ����Service
+        /// </summary>
+        // public INavigationService NavigationService => ServiceLocator.Current.GetInstance<INavigationService>();
+
+        // ÿ��VM����Ҫ���ɶ�Ӧ��ʵ������Ȼ�ᱨ��ָ��
+        public MainViewModel MainWindow => ServiceLocator.Current.GetInstance<MainViewModel>();
+
+        public CabinetViewModel CabinetWindow => ServiceLocator.Current.GetInstance<CabinetViewModel>();
+
+        public InquirePageViewModel InquirePage => ServiceLocator.Current.GetInstance<InquirePageViewModel>();
 
         public static void Cleanup()
         {
diff --git a/SubCabinetSolution/Views/CabinetWindow.xaml b/SubCabinetSolution/Views/CabinetWindow.xaml
index 377df80..d4ec8cc 100644
--- a/SubCabinetSolution/Views/CabinetWindow.xaml
+++ b/SubCabinetSolution/Views/CabinetWindow.xaml
@@ -15,6 +15,10 @@
     WindowStyle="None"
     mc:Ignorable="d">
 
+    <Window.DataContext>
+        <Binding Path="CabinetWindow" Source="{StaticResource Locator}" />
+    </Window.DataContext>
+
     <Window.Resources>
         <Style x:Key="UserDefineButtonStyle" TargetType="Button">
             <Setter Property="Width" Value="60" />
@@ -86,6 +90,7 @@
                     Text="航天203所"
                     TextAlignment="Center" />
 
+                <!--  左边八个功能Item  -->
                 <ListBox
                     x:Name="FuncListBox"
                     Grid.Row="1"
@@ -93,7 +98,7 @@
                     VerticalAlignment="Center"
                     BorderThickness="0"
                     ItemsSource="{Binding FunctionModelList}"
-                    SelectedIndex="7">
+                    SelectedItem="{Binding FunctionModelList[7]}">
                     <interactivity:Interaction.Triggers>
                         <interactivity:EventTrigger EventName="SelectionChanged">
                             <interactivity:InvokeCommandAction Command="{Binding FuncSelectedCommand}" CommandParameter="{Binding SelectedItem, ElementName=FuncListBox}" />
@@ -156,6 +161,7 @@
                     </ListBox.ItemContainerStyle>
                 </ListBox>
 
+                <!--  底部三个功能Item  -->
                 <ListBox
                     Grid.Row="2"
                     HorizontalAlignment="Center"
@@ -174,9 +180,10 @@
                                 <Image
                                     Width="32"
                                     Height="32"
+                                    Margin="0,5,0,0"
                                     Source="{Binding Image}" />
                                 <TextBlock
-                                    Margin="0,10"
+                                    Margin="0,5"
                                     FontFamily="微软雅黑"
                                     Text="{Binding Title}"
                                     TextAlignment="Center" />
@@ -383,17 +390,10 @@
                 </Grid.RowDefinitions>
 
                 <!--  中间显示区域  -->
-                <UniformGrid
-                    Background="#ECF1FB"
-                    Columns="3"
-                    Rows="2">
-                    <ListBox Grid.Row="0" Grid.Column="0" />
-                    <ListBox Grid.Row="0" Grid.Column="1" />
-                    <ListBox Grid.Row="0" Grid.Column="2" />
-                    <ListBox Grid.Row="0" Grid.Column="0" />
-                    <ListBox Grid.Row="1" Grid.Column="1" />
-                    <ListBox Grid.Row="2" Grid.Column="2" />
-                </UniformGrid>
+                <Frame
+                    x:Name="CabinetFunctionFrame"
+                    Grid.Row="0"
+                    Background="#ECF1FB" />
 
                 <UniformGrid
                     Grid.Row="1"
diff --git a/SubCabinetSolution/Views/CabinetWindow.xaml.cs b/SubCabinetSolution/Views/CabinetWindow.xaml.cs
index b92920d..7e32780 100644
--- a/SubCabinetSolution/Views/CabinetWindow.xaml.cs
+++ b/SubCabinetSolution/Views/CabinetWindow.xaml.cs
@@ -1,13 +1,10 @@
-using SubCabinetSolution.ViewModel;
-
-namespace SubCabinetSolution.Views
+namespace SubCabinetSolution.Views
 {
     public partial class CabinetWindow
     {
         public CabinetWindow()
         {
             InitializeComponent();
-            this.DataContext = new CabinetViewModel();
         }
     }
 }
\ No newline at end of file
diff --git a/SubCabinetSolution/Views/InquirePage.xaml b/SubCabinetSolution/Views/InquirePage.xaml
new file mode 100644
index 0000000..135dffb
--- /dev/null
+++ b/SubCabinetSolution/Views/InquirePage.xaml
@@ -0,0 +1,15 @@
+<Page
+    x:Class="SubCabinetSolution.Views.InquirePage"
+    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+    Title="InquirePage"
+    d:DesignHeight="450"
+    d:DesignWidth="800"
+    mc:Ignorable="d">
+    <Page.DataContext>
+        <Binding Path="InquirePage" Source="{StaticResource Locator}" />
+    </Page.DataContext>
+    <Grid Background="Cyan" />
+</Page>
\ No newline at end of file
diff --git a/SubCabinetSolution/Views/InquirePage.xaml.cs b/SubCabinetSolution/Views/InquirePage.xaml.cs
new file mode 100644
index 0000000..9d22947
--- /dev/null
+++ b/SubCabinetSolution/Views/InquirePage.xaml.cs
@@ -0,0 +1,15 @@
+using System.Windows.Controls;
+
+namespace SubCabinetSolution.Views
+{
+    /// <summary>
+    /// InquirePage.xaml 的交互逻辑
+    /// </summary>
+    public partial class InquirePage : Page
+    {
+        public InquirePage()
+        {
+            InitializeComponent();
+        }
+    }
+}
\ No newline at end of file
diff --git a/SubCabinetSolution/obj/Debug/App.g.i.cs b/SubCabinetSolution/obj/Debug/App.g.i.cs
index 1f13790..3dece04 100644
--- a/SubCabinetSolution/obj/Debug/App.g.i.cs
+++ b/SubCabinetSolution/obj/Debug/App.g.i.cs
@@ -1,4 +1,4 @@
-#pragma checksum "..\..\App.xaml" "{8829d00f-11b8-4213-878b-770e8597ac16}" "CCF2619614500C5ABF4F774F1D2C94723DD8DE551409E3AD46040491924F818E"
+#pragma checksum "..\..\App.xaml" "{8829d00f-11b8-4213-878b-770e8597ac16}" "B7492805C652E5A95920A5961432B8FC8DE65A22AF222FA9216B25953C5A145E"
 //------------------------------------------------------------------------------
 // <auto-generated>
 //     此代码由工具生成。
@@ -9,7 +9,7 @@
 // </auto-generated>
 //------------------------------------------------------------------------------
 
-using SubCabinetSolution;
+using SubCabinetSolution.ViewModel;
 using System;
 using System.Diagnostics;
 using System.Windows;
@@ -40,18 +40,31 @@
     /// </summary>
     public partial class App : System.Windows.Application {
         
+        private bool _contentLoaded;
+        
         /// <summary>
         /// InitializeComponent
         /// </summary>
         [System.Diagnostics.DebuggerNonUserCodeAttribute()]
         [System.CodeDom.Compiler.GeneratedCodeAttribute("PresentationBuildTasks", "4.0.0.0")]
         public void InitializeComponent() {
+            if (_contentLoaded) {
+                return;
+            }
+            _contentLoaded = true;
             
-            #line 5 "..\..\App.xaml"
+            #line 9 "..\..\App.xaml"
             this.StartupUri = new System.Uri("MainWindow.xaml", System.UriKind.Relative);
             
             #line default
             #line hidden
+            System.Uri resourceLocater = new System.Uri("/SubCabinetSolution;component/app.xaml", System.UriKind.Relative);
+            
+            #line 1 "..\..\App.xaml"
+            System.Windows.Application.LoadComponent(this, resourceLocater);
+            
+            #line default
+            #line hidden
         }
         
         /// <summary>

diff --git a/.idea/.idea.SubCabinetSolution/.idea/encodings.xml b/.idea/.idea.SubCabinetSolution/.idea/encodings.xml
index df87cf9..56cd6ed 100644
--- a/.idea/.idea.SubCabinetSolution/.idea/encodings.xml
+++ b/.idea/.idea.SubCabinetSolution/.idea/encodings.xml
@@ -1,4 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="Encoding" addBOMForNewFiles="with BOM under Windows, with no BOM otherwise" />
+  <component name="Encoding" addBOMForNewFiles="with BOM under Windows, with no BOM otherwise">
+    <file url="file://$PROJECT_DIR$/SubCabinetSolution/ViewModel/ViewModelLocator.cs" charset="GBK" />
+  </component>
 </project>
\ No newline at end of file
diff --git a/.vs/SubCabinetSolution/v17/.suo b/.vs/SubCabinetSolution/v17/.suo
index 0898120..05cca62 100644
--- a/.vs/SubCabinetSolution/v17/.suo
+++ b/.vs/SubCabinetSolution/v17/.suo
Binary files differ
diff --git a/SubCabinetSolution/App.xaml b/SubCabinetSolution/App.xaml
index 3cf9003..45fee79 100644
--- a/SubCabinetSolution/App.xaml
+++ b/SubCabinetSolution/App.xaml
@@ -1,9 +1,15 @@
-<Application x:Class="SubCabinetSolution.App"
-             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
-             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-             xmlns:local="clr-namespace:SubCabinetSolution"
-             StartupUri="MainWindow.xaml">
+<Application
+    x:Class="SubCabinetSolution.App"
+    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+    xmlns:d1p1="http://schemas.openxmlformats.org/markup-compatibility/2006"
+    xmlns:vm="clr-namespace:SubCabinetSolution.ViewModel"
+    d1p1:Ignorable="d"
+    StartupUri="MainWindow.xaml">
     <Application.Resources>
-         
+        <ResourceDictionary>
+            <vm:ViewModelLocator x:Key="Locator" d:IsDataSource="True" />
+        </ResourceDictionary>
     </Application.Resources>
-</Application>
+</Application>
\ No newline at end of file
diff --git a/SubCabinetSolution/MainWindow.xaml b/SubCabinetSolution/MainWindow.xaml
index 18bdf0d..0e5725f 100644
--- a/SubCabinetSolution/MainWindow.xaml
+++ b/SubCabinetSolution/MainWindow.xaml
@@ -15,6 +15,10 @@
     WindowStyle="None"
     mc:Ignorable="d">
 
+    <Window.DataContext>
+        <Binding Path="MainWindow" Source="{StaticResource Locator}" />
+    </Window.DataContext>
+
     <Window.Resources>
         <Style x:Key="UserDefineButtonStyle" TargetType="Button">
             <Setter Property="Width" Value="200" />
diff --git a/SubCabinetSolution/MainWindow.xaml.cs b/SubCabinetSolution/MainWindow.xaml.cs
index 2b8b93f..bd57083 100644
--- a/SubCabinetSolution/MainWindow.xaml.cs
+++ b/SubCabinetSolution/MainWindow.xaml.cs
@@ -1,6 +1,4 @@
-using SubCabinetSolution.ViewModel;
-
-namespace SubCabinetSolution
+namespace SubCabinetSolution
 {
     /// <summary>
     /// Interaction logic for MainWindow.xaml
@@ -10,7 +8,6 @@
         public MainWindow()
         {
             InitializeComponent();
-            this.DataContext = new MainViewModel();
         }
     }
 }
\ No newline at end of file
diff --git a/SubCabinetSolution/SubCabinetSolution.csproj b/SubCabinetSolution/SubCabinetSolution.csproj
index a41311f..071c84d 100644
--- a/SubCabinetSolution/SubCabinetSolution.csproj
+++ b/SubCabinetSolution/SubCabinetSolution.csproj
@@ -156,13 +156,18 @@
     <Compile Include="Utils\DataBaseManager.cs" />
     <Compile Include="Utils\HttpRequestHandler.cs" />
     <Compile Include="Utils\LocalConstant.cs" />
+    <Compile Include="Utils\NavigationService.cs" />
     <Compile Include="Utils\PasswordBindingHelper.cs" />
     <Compile Include="ViewModel\CabinetViewModel.cs" />
+    <Compile Include="ViewModel\InquirePageViewModel.cs" />
     <Compile Include="ViewModel\MainViewModel.cs" />
     <Compile Include="ViewModel\ViewModelLocator.cs" />
     <Compile Include="Views\CabinetWindow.xaml.cs">
       <DependentUpon>CabinetWindow.xaml</DependentUpon>
     </Compile>
+    <Compile Include="Views\InquirePage.xaml.cs">
+      <DependentUpon>InquirePage.xaml</DependentUpon>
+    </Compile>
     <Page Include="MainWindow.xaml">
       <Generator>MSBuild:Compile</Generator>
       <SubType>Designer</SubType>
@@ -176,6 +181,10 @@
       <SubType>Code</SubType>
     </Compile>
     <Page Include="Views\CabinetWindow.xaml" />
+    <Page Include="Views\InquirePage.xaml">
+      <SubType>Designer</SubType>
+      <Generator>MSBuild:Compile</Generator>
+    </Page>
   </ItemGroup>
   <ItemGroup>
     <Compile Include="Properties\AssemblyInfo.cs">
diff --git a/SubCabinetSolution/Utils/NavigationService.cs b/SubCabinetSolution/Utils/NavigationService.cs
new file mode 100644
index 0000000..935a7fa
--- /dev/null
+++ b/SubCabinetSolution/Utils/NavigationService.cs
@@ -0,0 +1,125 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Media;
+using GalaSoft.MvvmLight;
+using GalaSoft.MvvmLight.Views;
+using SubCabinetSolution.Views;
+
+namespace SubCabinetSolution.Utils
+{
+    public class NavigationService : ViewModelBase, INavigationService
+    {
+        private readonly Dictionary<string, Uri> _pagesByKey;
+        private readonly List<string> _historic;
+        private string _currentPageKey;
+
+        #region Properties
+
+        public string CurrentPageKey
+        {
+            get { return _currentPageKey; }
+
+            private set { Set(() => CurrentPageKey, ref _currentPageKey, value); }
+        }
+
+        public object Parameter { get; private set; }
+
+        #endregion
+
+        #region Ctors and Methods
+
+        public NavigationService()
+        {
+            _pagesByKey = new Dictionary<string, Uri>();
+            _historic = new List<string>();
+        }
+
+        public void GoBack()
+        {
+            if (_historic.Count <= 1) return;
+            _historic.RemoveAt(_historic.Count - 1);
+
+            NavigateTo(_historic.Last(), "Back");
+        }
+
+        public void NavigateTo(string pageKey)
+        {
+            NavigateTo(pageKey, "Next");
+        }
+
+        public virtual void NavigateTo(string pageKey, object parameter)
+        {
+            lock (_pagesByKey)
+            {
+                if (!_pagesByKey.ContainsKey(pageKey))
+                {
+                    throw new ArgumentException($"No such page: {pageKey} ", nameof(pageKey));
+                }
+
+                // 设置应用主窗口，name要注意和xaml保持一致
+                CabinetWindow cabinetWindow = Application.Current.Windows
+                    .Cast<Window>()
+                    .FirstOrDefault(window => window is CabinetWindow) as CabinetWindow;
+                if (GetDescendantFromName(cabinetWindow, "CabinetFunctionFrame") is Frame frame)
+                {
+                    frame.Source = _pagesByKey[pageKey];
+                }
+
+                Parameter = parameter;
+                if (parameter.ToString().Equals("Next"))
+                {
+                    _historic.Add(pageKey);
+                }
+
+                CurrentPageKey = pageKey;
+            }
+        }
+
+        public void Configure(string key, Uri pageType)
+        {
+            lock (_pagesByKey)
+            {
+                if (_pagesByKey.ContainsKey(key))
+                {
+                    _pagesByKey[key] = pageType;
+                }
+                else
+                {
+                    _pagesByKey.Add(key, pageType);
+                }
+            }
+        }
+
+        private static FrameworkElement GetDescendantFromName(DependencyObject parent, string name)
+        {
+            var count = VisualTreeHelper.GetChildrenCount(parent);
+
+            if (count < 1)
+            {
+                return null;
+            }
+
+            for (var i = 0; i < count; i++)
+            {
+                if (!(VisualTreeHelper.GetChild(parent, i) is FrameworkElement frameworkElement)) continue;
+                if (frameworkElement.Name == name)
+                {
+                    return frameworkElement;
+                }
+
+                frameworkElement = GetDescendantFromName(frameworkElement, name);
+                if (frameworkElement != null)
+                {
+                    return frameworkElement;
+                }
+            }
+
+            return null;
+        }
+
+        #endregion
+    }
+}
\ No newline at end of file
diff --git a/SubCabinetSolution/ViewModel/CabinetViewModel.cs b/SubCabinetSolution/ViewModel/CabinetViewModel.cs
index b83489c..00d5e78 100644
--- a/SubCabinetSolution/ViewModel/CabinetViewModel.cs
+++ b/SubCabinetSolution/ViewModel/CabinetViewModel.cs
@@ -1,10 +1,11 @@
 using System;
 using System.Collections.Generic;
-using System.Diagnostics;
 using System.Windows;
 using System.Windows.Threading;
+using CommonServiceLocator;
 using GalaSoft.MvvmLight;
 using GalaSoft.MvvmLight.Command;
+using GalaSoft.MvvmLight.Views;
 using SubCabinetSolution.Model;
 using SubCabinetSolution.Views;
 
@@ -29,8 +30,9 @@
         public List<FunctionModel> FunctionModelList { get; set; }
         public List<FunctionModel> SettingsModelList { get; set; }
         public RelayCommand<object> FuncSelectedCommand { get; set; }
-        
-        public string MainTopTitle {
+
+        public string MainTopTitle
+        {
             get { return _mainTopTitle; }
             set
             {
@@ -38,9 +40,11 @@
                 RaisePropertyChanged(() => MainTopTitle);
             }
         }
+
         private string _mainTopTitle;
 
-        public string MainTopImage {
+        public string MainTopImage
+        {
             get { return _mainTopImage; }
             set
             {
@@ -48,6 +52,7 @@
                 RaisePropertyChanged(() => MainTopImage);
             }
         }
+
         private string _mainTopImage;
 
         public string UserInputKeywords
@@ -59,6 +64,7 @@
                 RaisePropertyChanged(() => UserInputKeywords);
             }
         }
+
         private string _inputKeywords;
         public RelayCommand SearchDataCommand { get; set; }
 
@@ -122,6 +128,34 @@
 
             this.MainTopImage = functionModel.Image;
             this.MainTopTitle = functionModel.Title;
+            switch (functionModel.Title)
+            {
+                case "手术单领用":
+
+                    break;
+                case "归还":
+
+                    break;
+                case "紧急领用":
+
+                    break;
+                case "上架":
+
+                    break;
+                case "盘点":
+
+                    break;
+                case "退SPD库":
+
+                    break;
+                case "查询":
+                    INavigationService navigationService = ServiceLocator.Current.GetInstance<INavigationService>();
+                    navigationService.NavigateTo("InquirePage");
+                    break;
+                case "主页":
+
+                    break;
+            }
         }
 
         private void SearchData()
diff --git a/SubCabinetSolution/ViewModel/InquirePageViewModel.cs b/SubCabinetSolution/ViewModel/InquirePageViewModel.cs
new file mode 100644
index 0000000..cd6a750
--- /dev/null
+++ b/SubCabinetSolution/ViewModel/InquirePageViewModel.cs
@@ -0,0 +1,15 @@
+using GalaSoft.MvvmLight;
+using GalaSoft.MvvmLight.Views;
+
+namespace SubCabinetSolution.ViewModel
+{
+    public class InquirePageViewModel : ViewModelBase
+    {
+        private INavigationService _navigationService;
+
+        public InquirePageViewModel(INavigationService navigationService)
+        {
+            this._navigationService = navigationService;
+        }
+    }
+}
\ No newline at end of file
diff --git a/SubCabinetSolution/ViewModel/ViewModelLocator.cs b/SubCabinetSolution/ViewModel/ViewModelLocator.cs
index 153abfc..a7ccd0b 100644
--- a/SubCabinetSolution/ViewModel/ViewModelLocator.cs
+++ b/SubCabinetSolution/ViewModel/ViewModelLocator.cs
@@ -12,8 +12,11 @@
   See http://www.galasoft.ch/mvvm
 */
 
+using System;
 using CommonServiceLocator;
 using GalaSoft.MvvmLight.Ioc;
+using GalaSoft.MvvmLight.Views;
+using SubCabinetSolution.Utils;
 
 namespace SubCabinetSolution.ViewModel
 {
@@ -23,6 +26,26 @@
     /// </summary>
     public class ViewModelLocator
     {
+        private static ViewModelLocator _default;
+        private static readonly object InstanceLock = new object();
+
+        public static ViewModelLocator Default
+        {
+            get
+            {
+                if (_default == null)
+                {
+                    lock (InstanceLock)
+                    {
+                        if (_default == null)
+                            _default = new ViewModelLocator();
+                    }
+                }
+
+                return _default;
+            }
+        }
+
         /// <summary>
         /// Initializes a new instance of the ViewModelLocator class.
         /// </summary>
@@ -30,30 +53,46 @@
         {
             ServiceLocator.SetLocatorProvider(() => SimpleIoc.Default);
 
-            ////if (ViewModelBase.IsInDesignModeStatic)
-            ////{
-            ////    // Create design time view services and models
-            ////    SimpleIoc.Default.Register<IDataService, DesignDataService>();
-            ////}
-            ////else
-            ////{
-            ////    // Create run time view services and models
-            ////    SimpleIoc.Default.Register<IDataService, DataService>();
-            ////}
+            // ע��ҳ��VM
+            SimpleIoc.Default.Register<MainViewModel>(); //��¼ҳ
+            SimpleIoc.Default.Register<CabinetViewModel>(); //������
+            SimpleIoc.Default.Register<InquirePageViewModel>(); //��ѯPageҳ
 
-            SimpleIoc.Default.Register<MainViewModel>();
-            SimpleIoc.Default.Register<CabinetViewModel>();
+            // ע�ᵼ��Service
+            INavigationService navigationService = this.InitNavigationService();
+            SimpleIoc.Default.Register(() => navigationService);
         }
 
-        public MainViewModel Main
+
+        /// <summary>
+        /// ����NavigationService����
+        /// </summary>
+        /// <returns>NavigationService</returns>
+        private INavigationService InitNavigationService()
         {
-            get { return ServiceLocator.Current.GetInstance<MainViewModel>(); }
+            NavigationService service = new NavigationService();
+
+            service.Configure("MainWindow",
+                new Uri("/SubCabinetSolution;component/Views/MainWindow.xaml", UriKind.Relative));
+            service.Configure("CabinetWindow",
+                new Uri("/SubCabinetSolution;component/Views/CabinetWindow.xaml", UriKind.Relative));
+            service.Configure("InquirePage",
+                new Uri("/SubCabinetSolution;component/Views/InquirePage.xaml", UriKind.Relative));
+
+            return service;
         }
 
-        public CabinetViewModel Cabinet
-        {
-            get { return ServiceLocator.Current.GetInstance<CabinetViewModel>(); }
-        }
+        /// <summary>
+        /// ����Service
+        /// </summary>
+        // public INavigationService NavigationService => ServiceLocator.Current.GetInstance<INavigationService>();
+
+        // ÿ��VM����Ҫ���ɶ�Ӧ��ʵ������Ȼ�ᱨ��ָ��
+        public MainViewModel MainWindow => ServiceLocator.Current.GetInstance<MainViewModel>();
+
+        public CabinetViewModel CabinetWindow => ServiceLocator.Current.GetInstance<CabinetViewModel>();
+
+        public InquirePageViewModel InquirePage => ServiceLocator.Current.GetInstance<InquirePageViewModel>();
 
         public static void Cleanup()
         {
diff --git a/SubCabinetSolution/Views/CabinetWindow.xaml b/SubCabinetSolution/Views/CabinetWindow.xaml
index 377df80..d4ec8cc 100644
--- a/SubCabinetSolution/Views/CabinetWindow.xaml
+++ b/SubCabinetSolution/Views/CabinetWindow.xaml
@@ -15,6 +15,10 @@
     WindowStyle="None"
     mc:Ignorable="d">
 
+    <Window.DataContext>
+        <Binding Path="CabinetWindow" Source="{StaticResource Locator}" />
+    </Window.DataContext>
+
     <Window.Resources>
         <Style x:Key="UserDefineButtonStyle" TargetType="Button">
             <Setter Property="Width" Value="60" />
@@ -86,6 +90,7 @@
                     Text="航天203所"
                     TextAlignment="Center" />
 
+                <!--  左边八个功能Item  -->
                 <ListBox
                     x:Name="FuncListBox"
                     Grid.Row="1"
@@ -93,7 +98,7 @@
                     VerticalAlignment="Center"
                     BorderThickness="0"
                     ItemsSource="{Binding FunctionModelList}"
-                    SelectedIndex="7">
+                    SelectedItem="{Binding FunctionModelList[7]}">
                     <interactivity:Interaction.Triggers>
                         <interactivity:EventTrigger EventName="SelectionChanged">
                             <interactivity:InvokeCommandAction Command="{Binding FuncSelectedCommand}" CommandParameter="{Binding SelectedItem, ElementName=FuncListBox}" />
@@ -156,6 +161,7 @@
                     </ListBox.ItemContainerStyle>
                 </ListBox>
 
+                <!--  底部三个功能Item  -->
                 <ListBox
                     Grid.Row="2"
                     HorizontalAlignment="Center"
@@ -174,9 +180,10 @@
                                 <Image
                                     Width="32"
                                     Height="32"
+                                    Margin="0,5,0,0"
                                     Source="{Binding Image}" />
                                 <TextBlock
-                                    Margin="0,10"
+                                    Margin="0,5"
                                     FontFamily="微软雅黑"
                                     Text="{Binding Title}"
                                     TextAlignment="Center" />
@@ -383,17 +390,10 @@
                 </Grid.RowDefinitions>
 
                 <!--  中间显示区域  -->
-                <UniformGrid
-                    Background="#ECF1FB"
-                    Columns="3"
-                    Rows="2">
-                    <ListBox Grid.Row="0" Grid.Column="0" />
-                    <ListBox Grid.Row="0" Grid.Column="1" />
-                    <ListBox Grid.Row="0" Grid.Column="2" />
-                    <ListBox Grid.Row="0" Grid.Column="0" />
-                    <ListBox Grid.Row="1" Grid.Column="1" />
-                    <ListBox Grid.Row="2" Grid.Column="2" />
-                </UniformGrid>
+                <Frame
+                    x:Name="CabinetFunctionFrame"
+                    Grid.Row="0"
+                    Background="#ECF1FB" />
 
                 <UniformGrid
                     Grid.Row="1"
diff --git a/SubCabinetSolution/Views/CabinetWindow.xaml.cs b/SubCabinetSolution/Views/CabinetWindow.xaml.cs
index b92920d..7e32780 100644
--- a/SubCabinetSolution/Views/CabinetWindow.xaml.cs
+++ b/SubCabinetSolution/Views/CabinetWindow.xaml.cs
@@ -1,13 +1,10 @@
-using SubCabinetSolution.ViewModel;
-
-namespace SubCabinetSolution.Views
+namespace SubCabinetSolution.Views
 {
     public partial class CabinetWindow
     {
         public CabinetWindow()
         {
             InitializeComponent();
-            this.DataContext = new CabinetViewModel();
         }
     }
 }
\ No newline at end of file
diff --git a/SubCabinetSolution/Views/InquirePage.xaml b/SubCabinetSolution/Views/InquirePage.xaml
new file mode 100644
index 0000000..135dffb
--- /dev/null
+++ b/SubCabinetSolution/Views/InquirePage.xaml
@@ -0,0 +1,15 @@
+<Page
+    x:Class="SubCabinetSolution.Views.InquirePage"
+    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+    Title="InquirePage"
+    d:DesignHeight="450"
+    d:DesignWidth="800"
+    mc:Ignorable="d">
+    <Page.DataContext>
+        <Binding Path="InquirePage" Source="{StaticResource Locator}" />
+    </Page.DataContext>
+    <Grid Background="Cyan" />
+</Page>
\ No newline at end of file
diff --git a/SubCabinetSolution/Views/InquirePage.xaml.cs b/SubCabinetSolution/Views/InquirePage.xaml.cs
new file mode 100644
index 0000000..9d22947
--- /dev/null
+++ b/SubCabinetSolution/Views/InquirePage.xaml.cs
@@ -0,0 +1,15 @@
+using System.Windows.Controls;
+
+namespace SubCabinetSolution.Views
+{
+    /// <summary>
+    /// InquirePage.xaml 的交互逻辑
+    /// </summary>
+    public partial class InquirePage : Page
+    {
+        public InquirePage()
+        {
+            InitializeComponent();
+        }
+    }
+}
\ No newline at end of file
diff --git a/SubCabinetSolution/obj/Debug/App.g.i.cs b/SubCabinetSolution/obj/Debug/App.g.i.cs
index 1f13790..3dece04 100644
--- a/SubCabinetSolution/obj/Debug/App.g.i.cs
+++ b/SubCabinetSolution/obj/Debug/App.g.i.cs
@@ -1,4 +1,4 @@
-#pragma checksum "..\..\App.xaml" "{8829d00f-11b8-4213-878b-770e8597ac16}" "CCF2619614500C5ABF4F774F1D2C94723DD8DE551409E3AD46040491924F818E"
+#pragma checksum "..\..\App.xaml" "{8829d00f-11b8-4213-878b-770e8597ac16}" "B7492805C652E5A95920A5961432B8FC8DE65A22AF222FA9216B25953C5A145E"
 //------------------------------------------------------------------------------
 // <auto-generated>
 //     此代码由工具生成。
@@ -9,7 +9,7 @@
 // </auto-generated>
 //------------------------------------------------------------------------------
 
-using SubCabinetSolution;
+using SubCabinetSolution.ViewModel;
 using System;
 using System.Diagnostics;
 using System.Windows;
@@ -40,18 +40,31 @@
     /// </summary>
     public partial class App : System.Windows.Application {
         
+        private bool _contentLoaded;
+        
         /// <summary>
         /// InitializeComponent
         /// </summary>
         [System.Diagnostics.DebuggerNonUserCodeAttribute()]
         [System.CodeDom.Compiler.GeneratedCodeAttribute("PresentationBuildTasks", "4.0.0.0")]
         public void InitializeComponent() {
+            if (_contentLoaded) {
+                return;
+            }
+            _contentLoaded = true;
             
-            #line 5 "..\..\App.xaml"
+            #line 9 "..\..\App.xaml"
             this.StartupUri = new System.Uri("MainWindow.xaml", System.UriKind.Relative);
             
             #line default
             #line hidden
+            System.Uri resourceLocater = new System.Uri("/SubCabinetSolution;component/app.xaml", System.UriKind.Relative);
+            
+            #line 1 "..\..\App.xaml"
+            System.Windows.Application.LoadComponent(this, resourceLocater);
+            
+            #line default
+            #line hidden
         }
         
         /// <summary>
diff --git a/SubCabinetSolution/obj/Debug/MainWindow.g.i.cs b/SubCabinetSolution/obj/Debug/MainWindow.g.i.cs
index e265d7e..d269d19 100644
--- a/SubCabinetSolution/obj/Debug/MainWindow.g.i.cs
+++ b/SubCabinetSolution/obj/Debug/MainWindow.g.i.cs
@@ -1,4 +1,4 @@
-#pragma checksum "..\..\MainWindow.xaml" "{8829d00f-11b8-4213-878b-770e8597ac16}" "399715FB8D92D51650502A98854C820CCB876055E0BDF8C464A4F4E9FC36C479"
+#pragma checksum "..\..\MainWindow.xaml" "{8829d00f-11b8-4213-878b-770e8597ac16}" "20EC3CEC11B9A69103A1E08FEEF7C98751959B047C2FEA8DDDAA9D23639F2572"
 //------------------------------------------------------------------------------
 // <auto-generated>
 //     此代码由工具生成。