diff --git a/PrivateBox/AppRunTimeSettings.cs b/PrivateBox/AppRunTimeSettings.cs
new file mode 100644
index 0000000..6234955
--- /dev/null
+++ b/PrivateBox/AppRunTimeSettings.cs
@@ -0,0 +1,81 @@
+using PrivateBox.DataContext;
+using System.Text.Json;
+
+namespace PrivateBox
+{
+    /// <summary>
+    /// 应用程序运行时配置
+    /// </summary>
+    public class AppRunTimeSettings
+    {
+        /// <summary>
+        /// 数据库上下文
+        /// </summary>
+        public DbContext Db { get; set; }
+        /// <summary>
+        /// 构造
+        /// </summary>
+        /// <param name="db">数据库上下文</param>
+        public AppRunTimeSettings(DbContext db) {
+            this.Db = db;
+        }
+        /// <summary>
+        /// 设置配置值。
+        /// </summary>
+        /// <param name="key">唯一键</param>
+        /// <param name="value">值</param>
+        /// <returns>实际设置的值</returns>
+        /// <exception cref="ArgumentNullException">键不能为空</exception>
+        public string SetValue(string key,string value) {
+            if(string.IsNullOrEmpty(key)) {
+                throw new ArgumentNullException(nameof(key));
+            }
+            var model = new AppSettingsTable {
+                Key = key,
+                Value = value,
+            };
+            var storage = this.Db.Storageable(model).WhereColumns(a => a.Key).ToStorage();
+            storage.AsInsertable.ExecuteCommand();
+            storage.AsUpdateable.ExecuteCommand();
+            return value;
+        }
+
+        /// <summary>
+        /// 设置配置对象值
+        /// </summary>
+        /// <typeparam name="TValue">值类型</typeparam>
+        /// <param name="key">唯一键</param>
+        /// <param name="value">值</param>
+        /// <returns>实际设置的字符串值</returns>
+        public string SetValue<TValue>(string key,TValue value) {
+            var str = JsonSerializer.Serialize(value);
+            return SetValue(key,str);
+        }
+        /// <summary>
+        /// 获取键值
+        /// </summary>
+        /// <param name="key">配置的键</param>
+        /// <returns>配置的值</returns>
+        /// <exception cref="ArgumentNullException"></exception>
+        public string? GetValue(string? key) {
+            if(string.IsNullOrEmpty(key)) {
+                throw new ArgumentNullException(nameof(key));
+            }
+            var qu = this.Db.Queryable<AppSettingsTable>()
+                .Where(a => a.Key == key)
+                .ToList();
+            return qu.Any() ? qu.First().Value : string.Empty;
+        }
+
+        /// <summary>
+        /// 获取配置的对象值
+        /// </summary>
+        /// <typeparam name="TValue">值类型</typeparam>
+        /// <param name="key">唯一键</param>
+        /// <returns>配置对象</returns>
+        public TValue? GetValue<TValue>(string? key) {
+            var str = GetValue(key);
+            return JsonSerializer.Deserialize<TValue>(str);
+        }
+    }
+}
diff --git a/PrivateBox/DataContext/AppSettingsTable.cs b/PrivateBox/DataContext/AppSettingsTable.cs
new file mode 100644
index 0000000..18d0cfa
--- /dev/null
+++ b/PrivateBox/DataContext/AppSettingsTable.cs
@@ -0,0 +1,21 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace PrivateBox.DataContext
+{
+    /// <summary>
+    /// 应用程序配置
+    /// </summary>
+    public class AppSettingsTable
+    {
+        /// <summary>
+        /// 应用配置
+        /// </summary>
+        [Key, Required, MaxLength(50)]
+        public string? Key { get; set; }
+        /// <summary>
+        /// 配置值
+        /// </summary>
+        [MaxLength(4000)]
+        public string? Value { get; set; }
+    }
+}
diff --git a/PrivateBox/DataContext/DbContext.cs b/PrivateBox/DataContext/DbContext.cs
index e8d3fc8..c049ea1 100644
--- a/PrivateBox/DataContext/DbContext.cs
+++ b/PrivateBox/DataContext/DbContext.cs
@@ -38,6 +38,7 @@ namespace PrivateBox
             this.CodeFirst.SetStringDefaultLength(200);
             this.CodeFirst.InitTables<CryptionKey>();
             this.CodeFirst.InitTables<CrytionItem>();
+            this.CodeFirst.InitTables<AppSettingsTable>();
             IsInited = true;
         }
 
diff --git a/PrivateBox/Forms/MainForm.cs b/PrivateBox/Forms/MainForm.cs
index 9fdda91..dbd8325 100644
--- a/PrivateBox/Forms/MainForm.cs
+++ b/PrivateBox/Forms/MainForm.cs
@@ -10,12 +10,15 @@ namespace PrivateBox
         public IEncryptionService Encrytion { get; init; }
         public DbContext Db { get; init; }
         public string CrytionKey { get; init; }
+        public AppRunTimeSettings Settings { get; set; }
 
         /// <summary>
         /// 默认分组名
         /// </summary>
         private const string _defaultGroupName = "未分组";
 
+        private const string _groupListSelectedKey = "MainForm_GroupList_Selected";
+
         /// <summary>
         /// 允许刷新Key列表
         /// </summary>
@@ -25,6 +28,7 @@ namespace PrivateBox
             InitializeComponent();
             this.Encrytion = provider.GetRequiredService<IEncryptionService>();
             this.Db = provider.GetRequiredService<DbContext>();
+            this.Settings = provider.GetRequiredService<AppRunTimeSettings>();
             this.CrytionKey = this.Db.GetCrytionKey();
 
             this.Load += (s,d) => {
@@ -35,6 +39,11 @@ namespace PrivateBox
             this.lbKeyList.SelectedIndexChanged += LbKeyList_SelectedIndexChanged;
             this.clb_group.ItemCheck += (s,e) => {
                 this.BeginInvoke(new Action(() => {
+                    var groupList = new List<string>();
+                    foreach(var i in this.clb_group.CheckedItems) {
+                        groupList.Add(i?.ToString());
+                    }
+                    this.Settings.SetValue(_groupListSelectedKey,groupList);
                     RefreshKeyList();
                 }));
             };
@@ -76,11 +85,17 @@ namespace PrivateBox
             if(!clbi.Contains(_defaultGroupName)) {
                 clbi.Add(_defaultGroupName);
             }
-            if(clbi.Count == 1) {
-                this.EnableRefreshKeyList = false;
-                this.clb_group.SetItemChecked(0,true);
-                this.EnableRefreshKeyList = true;
+            var sels = this.Settings.GetValue<List<string>>(_groupListSelectedKey) ?? new List<string>();
+            this.EnableRefreshKeyList = false;
+            for(int i = 0;i < clbi.Count;i++) {
+                var val = clbi[i].ToString();
+                var ckd = sels.Contains(val);
+                this.clb_group.SetItemChecked(i,ckd);
             }
+            if(clbi.Count == 1) {
+                this.clb_group.SetItemChecked(0,true);
+            }
+            this.EnableRefreshKeyList = true;
             RefreshKeyList();
         }
         /// <summary>
diff --git a/PrivateBox/Program.cs b/PrivateBox/Program.cs
index 497cea8..2469f44 100644
--- a/PrivateBox/Program.cs
+++ b/PrivateBox/Program.cs
@@ -16,6 +16,7 @@ namespace PrivateBox
             IServiceCollection services = new ServiceCollection();
             var appConfig = new AppConfig();
             services.AddSingleton(appConfig);
+            services.AddSingleton<AppRunTimeSettings>();
             AddServices(services,appConfig);
             using ServiceProvider provider = GetServiceProvider(services);
             var mainForm = provider.GetRequiredService<MainForm>();