diff --git a/StudentManager/App.xaml.cs b/StudentManager/App.xaml.cs
index 8b3f8d5..9932779 100644
--- a/StudentManager/App.xaml.cs
+++ b/StudentManager/App.xaml.cs
@@ -19,6 +19,8 @@ namespace StudentManager
 		protected override void RegisterTypes(IContainerRegistry containerRegistry)
 		{
 			containerRegistry.RegisterForNavigation<MainEditor, Students>();
+			containerRegistry.RegisterForNavigation<StudentsView>();
+			containerRegistry.RegisterForNavigation<QuestionsView>();
 		}
 	}
 
diff --git a/StudentManager/Common/SQLHelper.cs b/StudentManager/Common/SQLHelper.cs
index 0e00431..09fd088 100644
--- a/StudentManager/Common/SQLHelper.cs
+++ b/StudentManager/Common/SQLHelper.cs
@@ -11,6 +11,14 @@ using System.Threading.Tasks;
 
 namespace StudentManager.Common
 {
+	static class Tables
+	{
+		static public string UserTable { get; } = "users";
+		static public string QuesTable { get; } = "questions";
+		static public string UQTable { get; } = "user_data";
+	}
+	
+
 	public static class SQLMapping
 	{
 		public static void Mapping<T>(MySqlDataReader reader)
@@ -22,7 +30,6 @@ namespace StudentManager.Common
 		{
 			if (typeof(T) == typeof(StudentData))
 			{
-
 				(data as StudentData).UID = (int)reader[0];
 				(data as StudentData).Name = reader[1].ToString();
 				(data as StudentData).Gender = reader[2].ToString();
@@ -30,9 +37,21 @@ namespace StudentManager.Common
 				(data as StudentData).Address = reader[4].ToString();
 				(data as StudentData).Grade = (int)reader[5];
 			}
-			else
+			else if(typeof(T) == typeof(QuestionData))
 			{
-
+				DifficultyLevel dLevel = DifficultyLevel.easy;
+				QStatus qStatus = QStatus.published;
+				(data as QuestionData).Id = (int)reader[0];
+				(data as QuestionData).Type = reader[1].ToString();
+				(data as QuestionData).Stem = reader[2].ToString();
+				(data as QuestionData).Answer = reader[3].ToString();
+				Enum.TryParse(reader[4].ToString(), true, out dLevel);
+				(data as QuestionData).DifficultyLevel = dLevel;
+				(data as QuestionData).Category = reader[5].ToString();
+				(data as QuestionData).Tags = reader[6].ToString();
+				(data as QuestionData).Source = reader[7].ToString();
+				Enum.TryParse(reader[8].ToString(), true, out qStatus);
+				(data as QuestionData).Status = qStatus;
 			}
 
 
@@ -62,28 +81,81 @@ namespace StudentManager.Common
 		// update ** set ** = '**',... where ** = **;
 		// insert into ** values('**','**'...);
 		// delete from ** where ** = **;
-		public static List<T> Query<T>(string tableName, params string[] queryParams) where T : IDataCommon, new()
+		public static List<T> Query<T>(string tableName, int id = -1, params string[] queryParams) where T : IDataCommon, new()
 		{
 			connection = new MySqlConnection(config);
 
 			List<T> result = new List<T>();
+
+			string idName = typeof(T) == typeof(StudentData) ? Tables.UserTable : Tables.QuesTable;
 			try
 			{
 				connection.Open();
 				string queryStr = "";
 				if (queryParams.Length > 0)
-					queryStr = $"select * from {tableName};";
+				{
+					string filedList = string.Join(",", queryParams);
+					queryStr = $"select {filedList} from {tableName};";
+
+					if (id != -1)
+						queryStr = $@"select {filedList} from {tableName} WHERE {idName} = {id};";
+				}
 				else
+				{
 					queryStr = $"select * from {tableName};";
+					if (id != -1) 
+						queryStr = $@"select * from {tableName} WHERE {idName} = {id};"; 
+				}
 
 				cmd = new MySqlCommand(queryStr, connection);
 				MySqlDataReader reader = cmd.ExecuteReader();
 
 
-				T row = new T();
 
 				while (reader.Read())
 				{
+					T row = new T();
+					SQLMapping.Mapping(row, reader);
+					result.Add(row);
+				}
+
+				return result;
+			}
+			catch (Exception ex)
+			{
+				Console.WriteLine(ex.Message);
+				return null;
+			}
+			finally
+			{
+				cmd.Dispose();
+				connection.Close();
+			}
+		}
+
+		public static List<T> UnionQuery<T>(int id = -1, string tableName = "questions", string otherTable = "user_data") where T : IDataCommon, new()
+		{
+			connection = new MySqlConnection(config);
+
+			List<T> result = new List<T>();
+
+			try
+			{
+				connection.Open();
+				string queryStr = "";
+				if(id ==  -1)
+					queryStr = $@"SELECT u.user_id, q.* FROM {otherTable} u JOIN {tableName} q ON  u.problem_id = q.problem_id";
+				else
+					queryStr = $@"SELECT q.* FROM {tableName} q JOIN {otherTable} u ON q.problem_id = u.problem_id WHERE u.user_id = {id}";
+
+				cmd = new MySqlCommand(queryStr, connection);
+				MySqlDataReader reader = cmd.ExecuteReader();
+
+
+
+				while (reader.Read())
+				{
+					T row = new T();
 					SQLMapping.Mapping(row, reader);
 					result.Add(row);
 				}
diff --git a/StudentManager/Data/QuestionData.cs b/StudentManager/Data/QuestionData.cs
new file mode 100644
index 0000000..47c0d4e
--- /dev/null
+++ b/StudentManager/Data/QuestionData.cs
@@ -0,0 +1,38 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace StudentManager.Data
+{
+	public enum DifficultyLevel
+	{
+		easy,
+		medium,
+		hard,
+	}
+
+	public enum QStatus
+	{
+		published,
+		pending_review,
+		deprecated,
+	}
+
+	public class QuestionData : IDataCommon
+	{
+		public int Id { get; set; } = 0;
+		public string Type { get; set; } = string.Empty;
+		public string Stem { get; set; } = string.Empty;
+		public string Answer { get; set; } = String.Empty;
+		public DifficultyLevel DifficultyLevel { get; set; } = DifficultyLevel.easy;
+		public string Category { get; set; } = string.Empty;
+		public string Tags { get; set; } = string.Empty;
+		public string Source { get; set; } = string.Empty;
+		public QStatus Status { get; set; } = QStatus.published;
+
+
+		public string TableName { get => "questions"; set => throw new NotImplementedException(); }
+	}
+}
diff --git a/StudentManager/Data/StudentData.cs b/StudentManager/Data/StudentData.cs
index 5da109b..7f9a08d 100644
--- a/StudentManager/Data/StudentData.cs
+++ b/StudentManager/Data/StudentData.cs
@@ -14,6 +14,8 @@ namespace StudentManager.Data
 		public string Contact { get; set; } = "Contact";
 		public string Address { get; set; } = "Address";
 		public int Grade { get; set; } = 1;
+		public int TotalsQuestions { get; set; } = 0;
+		public int CorrectionCount { get; set; } = 0;
 
 
 
diff --git a/StudentManager/Editor/MainEditor.xaml b/StudentManager/Editor/MainEditor.xaml
index 7618555..c2f09e7 100644
--- a/StudentManager/Editor/MainEditor.xaml
+++ b/StudentManager/Editor/MainEditor.xaml
@@ -4,32 +4,25 @@
         xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
         xmlns:local="clr-namespace:StudentManager.Editor"
+        xmlns:prism="http://prismlibrary.com/"
+        xmlns:extent="clr-namespace:StudentManager.Extensions"
         mc:Ignorable="d"
         Title="MainEditor" Height="450" Width="800">
-    <Window.Resources>
-        <Style x:Key="TextStyle" TargetType="{x:Type TextBlock}">
-            <Setter Property="Margin" Value="10,5"/>
-        </Style>
-    </Window.Resources>
+
     <Grid>
-        <ListBox ItemsSource="{Binding StudentDatas}">
-            <!--<i:Interaction.Triggers>
-                <i:EventTrigger EventName="SelectionChanged">
-                    <i:InvokeCommandAction x:Name="menuTrigger" Command="{Binding navigateCommand}" CommandParameter="{Binding ElementName=menu, Path=SelectedItem}"/>
-                </i:EventTrigger>
-            </i:Interaction.Triggers>-->
-            <ListBox.ItemTemplate>
+        <Grid.ColumnDefinitions>
+            <ColumnDefinition Width="200"/>
+            <ColumnDefinition/>
+        </Grid.ColumnDefinitions>
+        <ItemsControl ItemsSource="{Binding MenuBars}">
+            <ItemsControl.ItemTemplate>
                 <DataTemplate>
-                    <StackPanel Orientation="Horizontal">
-                        <TextBlock Style="{StaticResource TextStyle}" Text="{Binding UID}"/>
-                        <TextBlock Style="{StaticResource TextStyle}" Text="{Binding Name}"/>
-                        <TextBlock Style="{StaticResource TextStyle}" Text="{Binding Gender}"/>
-                        <TextBlock Style="{StaticResource TextStyle}" Text="{Binding Contact}"/>
-                        <TextBlock Style="{StaticResource TextStyle}" Text="{Binding Address}"/>
-                        <TextBlock Style="{StaticResource TextStyle}" Text="{Binding Grade}"/>
-                    </StackPanel>
+                    <Button Content="{Binding Title}" Command="{Binding DataContext.RegionTo, RelativeSource={RelativeSource AncestorType=ItemsControl}}"
+                            CommandParameter="{Binding NameSpace}"/>
                 </DataTemplate>
-            </ListBox.ItemTemplate>
-        </ListBox>
+            </ItemsControl.ItemTemplate>
+        </ItemsControl>
+
+        <ContentControl Grid.Column="1" prism:RegionManager.RegionName="{x:Static extent:PrismManager.MainRegionName}"/>
     </Grid>
 </Window>
diff --git a/StudentManager/Editor/QuestionsView.xaml b/StudentManager/Editor/QuestionsView.xaml
new file mode 100644
index 0000000..cf7974b
--- /dev/null
+++ b/StudentManager/Editor/QuestionsView.xaml
@@ -0,0 +1,38 @@
+<UserControl x:Class="StudentManager.Editor.QuestionsView"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
+             xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
+             xmlns:local="clr-namespace:StudentManager.Editor"
+             mc:Ignorable="d" 
+             d:DesignHeight="450" d:DesignWidth="800">
+    <UserControl.Resources>
+        <Style x:Key="TextStyle" TargetType="{x:Type TextBlock}">
+            <Setter Property="Margin" Value="10,5"/>
+        </Style>
+    </UserControl.Resources>
+    <Grid>
+        <ListBox ItemsSource="{Binding QuestionDatas}">
+            <!--<i:Interaction.Triggers>
+            <i:EventTrigger EventName="SelectionChanged">
+                <i:InvokeCommandAction x:Name="menuTrigger" Command="{Binding navigateCommand}" CommandParameter="{Binding ElementName=menu, Path=SelectedItem}"/>
+            </i:EventTrigger>
+        </i:Interaction.Triggers>-->
+            <ListBox.ItemTemplate>
+                <DataTemplate>
+                    <StackPanel Orientation="Horizontal">
+                        <TextBlock Width="50" Style="{StaticResource TextStyle}" Text="{Binding Id}"/>
+                        <TextBlock Width="50" Style="{StaticResource TextStyle}" Text="{Binding Type}"/>
+                        <TextBlock Width="50" Style="{StaticResource TextStyle}" Text="{Binding Stem}"/>
+                        <TextBlock Width="50" Style="{StaticResource TextStyle}" Text="{Binding Answer}"/>
+                        <TextBlock Width="50" Style="{StaticResource TextStyle}" Text="{Binding DifficultyLevel}"/>
+                        <TextBlock Width="50" Style="{StaticResource TextStyle}" Text="{Binding Category}"/>
+                        <TextBlock Width="50" Style="{StaticResource TextStyle}" Text="{Binding Tags}"/>
+                        <TextBlock Width="50" Style="{StaticResource TextStyle}" Text="{Binding Source}"/>
+                        <TextBlock Width="50" Style="{StaticResource TextStyle}" Text="{Binding Status}"/>
+                    </StackPanel>
+                </DataTemplate>
+            </ListBox.ItemTemplate>
+        </ListBox>
+    </Grid>
+</UserControl>
diff --git a/StudentManager/Editor/QuestionsView.xaml.cs b/StudentManager/Editor/QuestionsView.xaml.cs
new file mode 100644
index 0000000..10ebd77
--- /dev/null
+++ b/StudentManager/Editor/QuestionsView.xaml.cs
@@ -0,0 +1,28 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Documents;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using System.Windows.Navigation;
+using System.Windows.Shapes;
+
+namespace StudentManager.Editor
+{
+	/// <summary>
+	/// QuestionsView.xaml 的交互逻辑
+	/// </summary>
+	public partial class QuestionsView : UserControl
+	{
+		public QuestionsView()
+		{
+			InitializeComponent();
+		}
+	}
+}
diff --git a/StudentManager/Editor/StudentsView.xaml b/StudentManager/Editor/StudentsView.xaml
new file mode 100644
index 0000000..b1545fa
--- /dev/null
+++ b/StudentManager/Editor/StudentsView.xaml
@@ -0,0 +1,37 @@
+<UserControl x:Class="StudentManager.Editor.StudentsView"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
+             xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
+             xmlns:local="clr-namespace:StudentManager.Editor"
+             mc:Ignorable="d" 
+             d:DesignHeight="450" d:DesignWidth="800">
+    <UserControl.Resources>
+        <Style x:Key="TextStyle" TargetType="{x:Type TextBlock}">
+            <Setter Property="Margin" Value="10,5"/>
+        </Style>
+    </UserControl.Resources>
+    <Grid>
+        <ListBox ItemsSource="{Binding StudentDatas}">
+            <!--<i:Interaction.Triggers>
+                <i:EventTrigger EventName="SelectionChanged">
+                    <i:InvokeCommandAction x:Name="menuTrigger" Command="{Binding navigateCommand}" CommandParameter="{Binding ElementName=menu, Path=SelectedItem}"/>
+                </i:EventTrigger>
+            </i:Interaction.Triggers>-->
+            <ListBox.ItemTemplate>
+                <DataTemplate>
+                    <StackPanel Orientation="Horizontal">
+                        <TextBlock Style="{StaticResource TextStyle}" Text="{Binding UID}"/>
+                        <TextBlock Style="{StaticResource TextStyle}" Text="{Binding Name}"/>
+                        <TextBlock Style="{StaticResource TextStyle}" Text="{Binding Gender}"/>
+                        <TextBlock Style="{StaticResource TextStyle}" Text="{Binding Contact}"/>
+                        <TextBlock Style="{StaticResource TextStyle}" Text="{Binding Address}"/>
+                        <TextBlock Style="{StaticResource TextStyle}" Text="{Binding Grade}"/>
+                        <TextBlock Style="{StaticResource TextStyle}" Text="{Binding TotalsQuestions}"/>
+                        <TextBlock Style="{StaticResource TextStyle}" Text="{Binding CorrectionCount}"/>
+                    </StackPanel>
+                </DataTemplate>
+            </ListBox.ItemTemplate>
+        </ListBox>
+    </Grid>
+</UserControl>
diff --git a/StudentManager/Editor/StudentsView.xaml.cs b/StudentManager/Editor/StudentsView.xaml.cs
new file mode 100644
index 0000000..cd1ebbc
--- /dev/null
+++ b/StudentManager/Editor/StudentsView.xaml.cs
@@ -0,0 +1,28 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Documents;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using System.Windows.Navigation;
+using System.Windows.Shapes;
+
+namespace StudentManager.Editor
+{
+	/// <summary>
+	/// StudentsView.xaml 的交互逻辑
+	/// </summary>
+	public partial class StudentsView : UserControl
+	{
+		public StudentsView()
+		{
+			InitializeComponent();
+		}
+	}
+}
diff --git a/StudentManager/Extensions/PrismManager.cs b/StudentManager/Extensions/PrismManager.cs
new file mode 100644
index 0000000..45f0758
--- /dev/null
+++ b/StudentManager/Extensions/PrismManager.cs
@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace StudentManager.Extensions
+{
+	public static class PrismManager
+	{
+		public static readonly string MainRegionName = "MainRegion";
+	}
+}
diff --git a/StudentManager/Model/Students.cs b/StudentManager/Model/Students.cs
index 91f6804..2469518 100644
--- a/StudentManager/Model/Students.cs
+++ b/StudentManager/Model/Students.cs
@@ -1,5 +1,7 @@
-using StudentManager.Common;
+using Mysqlx.Crud;
+using StudentManager.Common;
 using StudentManager.Data;
+using StudentManager.Extensions;
 using System;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
@@ -9,26 +11,98 @@ using System.Threading.Tasks;
 
 namespace StudentManager.Model
 {
-	public class Students
+	class MenuBar : BindableBase
+	{
+		private string icon;
+		/// <summary>
+		/// Icon
+		/// </summary>
+		public string Icon
+		{
+			get { return icon; }
+			set { icon = value; }
+		}
+
+		private string title;
+
+		public string Title
+		{
+			get { return title; }
+			set { title = value; }
+		}
+
+
+		private string nameSpace;
+
+		public string NameSpace
+		{
+			get { return nameSpace; }
+			set { nameSpace = value; }
+		}
+
+
+	}
+
+	class Students : BindableBase
 	{
 
 		private ObservableCollection<StudentData> studentDatas = new ObservableCollection<StudentData>();
 		public ReadOnlyObservableCollection<StudentData> StudentDatas { get; private set; }
 
+		private ObservableCollection<QuestionData> questionDatas = new ObservableCollection<QuestionData>();
+		public ReadOnlyObservableCollection<QuestionData> QuestionDatas { get; private set; }
 
-		Students()
+		private ObservableCollection<MenuBar> menuBars = new ObservableCollection<MenuBar>();
+		public ReadOnlyObservableCollection<MenuBar> MenuBars { get; private set; }
+
+		private readonly IRegionManager regionManager;
+
+		public DelegateCommand<string> RegionTo { get; set; }
+
+		Students(IRegionManager regionManager)
 		{
-			StudentDatas = new ReadOnlyObservableCollection<StudentData>(studentDatas);
+			CreateMenuBar();
 
+			RegionTo = new DelegateCommand<string>((x) => {
+				regionManager.Regions[PrismManager.MainRegionName].RequestNavigate(x.ToString()); 
+				RegionToStudents(); 
+			});
+
+
+			StudentDatas = new ReadOnlyObservableCollection<StudentData>(studentDatas);
+			QuestionDatas = new ReadOnlyObservableCollection<QuestionData>(questionDatas);
+			MenuBars = new ReadOnlyObservableCollection<MenuBar>(menuBars);
+
+
+
+
+
+			this.regionManager = regionManager;
+
+			QueryAll();
+			
 			Query();
 		}
 
-		
-
-
-		private void Query()
+		private void RegionToStudents()
 		{
-			SQLHelper.Query<StudentData>("users").ForEach(x => studentDatas.Add(x));
+			
+		}
+
+		void CreateMenuBar()
+		{
+			menuBars.Add(new MenuBar() { Icon = "ForumPlusOutline", Title = "学生", NameSpace = "StudentsView" });
+			menuBars.Add(new MenuBar() { Icon = "CodeGreaterThanOrEqual", Title = "题库", NameSpace = "QuestionsView" });
+		}
+
+
+		private void QueryAll()
+		{
+			studentDatas.Clear();
+			questionDatas.Clear();
+			SQLHelper.Query<StudentData>(Tables.UserTable).ForEach(x => studentDatas.Add(x));
+			SQLHelper.Query<QuestionData>(Tables.QuesTable).ForEach(x => questionDatas.Add(x));
+			//SQLHelper.UnionQuery<QuestionData>(1).ForEach(x => questionDatas.Add(x)); 
 		}
 	}
 }
diff --git a/StudentManager/StudentManager.csproj.user b/StudentManager/StudentManager.csproj.user
index 071f7cf..bfa7adc 100644
--- a/StudentManager/StudentManager.csproj.user
+++ b/StudentManager/StudentManager.csproj.user
@@ -10,10 +10,22 @@
     <Compile Update="Editor\MainEditor.xaml.cs">
       <SubType>Code</SubType>
     </Compile>
+    <Compile Update="Editor\QuestionsView.xaml.cs">
+      <SubType>Code</SubType>
+    </Compile>
+    <Compile Update="Editor\StudentsView.xaml.cs">
+      <SubType>Code</SubType>
+    </Compile>
   </ItemGroup>
   <ItemGroup>
     <Page Update="Editor\MainEditor.xaml">
       <SubType>Designer</SubType>
     </Page>
+    <Page Update="Editor\QuestionsView.xaml">
+      <SubType>Designer</SubType>
+    </Page>
+    <Page Update="Editor\StudentsView.xaml">
+      <SubType>Designer</SubType>
+    </Page>
   </ItemGroup>
 </Project>
\ No newline at end of file