diff --git a/SpineViewer/Models/MainWindowLayoutModel.cs b/SpineViewer/Models/MainWindowLayoutModel.cs
new file mode 100644
index 0000000..b86b9b6
--- /dev/null
+++ b/SpineViewer/Models/MainWindowLayoutModel.cs
@@ -0,0 +1,23 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+
+namespace SpineViewer.Models
+{
+    public class MainWindowLayoutModel
+    {
+        public double WindowLeft { get; set; }
+        public double WindowTop { get; set; }
+        public double WindowWidth { get; set; }
+        public double WindowHeight { get; set; }
+        public WindowState WindowState { get; set; }
+        
+        public double RootGridCol0Width { get; set; }
+        public double ModelListRow0Height { get; set; }
+        public double ExplorerGridRow0Height { get; set; }
+        public double RightPanelGridRow0Height { get; set; }
+    }
+}
diff --git a/SpineViewer/Views/MainWindow.xaml b/SpineViewer/Views/MainWindow.xaml
index fc630dd..33d1779 100644
--- a/SpineViewer/Views/MainWindow.xaml
+++ b/SpineViewer/Views/MainWindow.xaml
@@ -76,7 +76,7 @@
             </Border>
 
             <Border Grid.Row="1">
-                <Grid>
+                <Grid x:Name="_rootGrid">
                     <Grid.ColumnDefinitions>
                         <ColumnDefinition/>
                         <ColumnDefinition Width="Auto" />
@@ -91,7 +91,7 @@
 
                             <!-- 模型列表页 -->
                             <TabItem Header="{DynamicResource Str_SpineObject}">
-                                <Grid>
+                                <Grid x:Name="_modelListGrid">
                                     <Grid.RowDefinitions>
                                         <RowDefinition/>
                                         <RowDefinition Height="Auto"/>
@@ -578,7 +578,7 @@
 
                             <!-- 浏览页 -->
                             <TabItem Header="{DynamicResource Str_Explorer}" DataContext="{Binding ExplorerListViewModel}">
-                                <Grid>
+                                <Grid x:Name="_explorerGrid">
                                     <Grid.RowDefinitions>
                                         <RowDefinition/>
                                         <RowDefinition Height="Auto"/>
@@ -785,14 +785,14 @@
                     <GridSplitter Grid.Column="1" ResizeDirection="Columns"/>
 
                     <Border Grid.Column="2">
-                        <Grid>
+                        <Grid x:Name="_rightPanelGrid">
                             <Grid.RowDefinitions>
                                 <RowDefinition Height="5*"/>
                                 <RowDefinition Height="Auto"/>
                                 <RowDefinition Height="*"/>
                             </Grid.RowDefinitions>
 
-                            <Grid >
+                            <Grid>
                                 <Grid.RowDefinitions>
                                     <RowDefinition Height="*"/>
                                     <RowDefinition Height="Auto"/>
diff --git a/SpineViewer/Views/MainWindow.xaml.cs b/SpineViewer/Views/MainWindow.xaml.cs
index 31e92ce..d9b68a5 100644
--- a/SpineViewer/Views/MainWindow.xaml.cs
+++ b/SpineViewer/Views/MainWindow.xaml.cs
@@ -3,12 +3,15 @@ using NLog;
 using NLog.Layouts;
 using NLog.Targets;
 using Spine;
+using SpineViewer.Models;
 using SpineViewer.Natives;
 using SpineViewer.Resources;
+using SpineViewer.Utils;
 using SpineViewer.ViewModels.MainWindow;
 using System.Collections.Specialized;
 using System.ComponentModel;
 using System.Diagnostics;
+using System.IO;
 using System.Text;
 using System.Windows;
 using System.Windows.Controls;
@@ -26,6 +29,11 @@ namespace SpineViewer.Views;
 /// </summary>
 public partial class MainWindow : Window
 {
+    /// <summary>
+    /// 布局文件保存路径
+    /// </summary>
+    public static readonly string LayoutFilePath = Path.Combine(Path.GetDirectoryName(Environment.ProcessPath), "layout.json");
+
     private static readonly Logger _logger = LogManager.GetCurrentClassLogger();
     private ListViewItem? _listViewDragSourceItem = null;
     private Point _listViewDragSourcePoint;
@@ -46,6 +54,8 @@ public partial class MainWindow : Window
 
     private void MainWindow_Loaded(object sender, RoutedEventArgs e)
     {
+        LoadLayout();
+
         var vm = _vm.SFMLRendererViewModel;
         _renderPanel.CanvasMouseWheelScrolled += vm.CanvasMouseWheelScrolled;
         _renderPanel.CanvasMouseButtonPressed += vm.CanvasMouseButtonPressed;
@@ -70,6 +80,8 @@ public partial class MainWindow : Window
     {
         var vm = _vm.SFMLRendererViewModel;
         vm.StopRender();
+
+        SaveLayout();
     }
 
     /// <summary>
@@ -100,6 +112,50 @@ public partial class MainWindow : Window
         LogManager.ReconfigExistingLoggers();
     }
 
+    private void LoadLayout()
+    {
+        if (JsonHelper.Deserialize<MainWindowLayoutModel>(LayoutFilePath, out var m, true))
+        {
+            Left = m.WindowLeft;
+            Top = m.WindowTop;
+            Width = m.WindowWidth;
+            Height = m.WindowHeight;
+            if (m.WindowState == WindowState.Maximized)
+            {
+                WindowState = WindowState.Maximized;
+            }
+            else
+            {
+                WindowState = WindowState.Normal;
+            }
+
+            _rootGrid.ColumnDefinitions[0].Width = new(m.RootGridCol0Width);
+            _modelListGrid.RowDefinitions[0].Height = new(m.ModelListRow0Height);
+            _explorerGrid.RowDefinitions[0].Height = new(m.ExplorerGridRow0Height);
+            _rightPanelGrid.RowDefinitions[0].Height = new(m.RightPanelGridRow0Height);
+        }
+        
+    }
+
+    private void SaveLayout()
+    {
+        var m = new MainWindowLayoutModel()
+        {
+            WindowLeft = Left,
+            WindowTop = Top,
+            WindowWidth = Width,
+            WindowHeight = Height,
+            WindowState = WindowState,
+
+            RootGridCol0Width = _rootGrid.ColumnDefinitions[0].ActualWidth,
+            ModelListRow0Height = _modelListGrid.RowDefinitions[0].ActualHeight,
+            ExplorerGridRow0Height = _explorerGrid.RowDefinitions[0].ActualHeight,
+            RightPanelGridRow0Height = _rightPanelGrid.RowDefinitions[0].ActualHeight,
+        };
+
+        JsonHelper.Serialize(m, LayoutFilePath);
+    }
+
     #region _spinesListView 事件处理
 
     private void SpinesListView_RequestSelectionChanging(object? sender, NotifyCollectionChangedEventArgs e)