diff --git a/BetterGenshinImpact/BetterGenshinImpact.csproj b/BetterGenshinImpact/BetterGenshinImpact.csproj
index ae240f04..38f7eab7 100644
--- a/BetterGenshinImpact/BetterGenshinImpact.csproj
+++ b/BetterGenshinImpact/BetterGenshinImpact.csproj
@@ -80,6 +80,9 @@
 		<PackageReference Include="WPF-UI.Violeta" Version="4.0.0" />
 		<PackageReference Include="YoloV8" Version="4.1.7" />
 		<PackageReference Include="gong-wpf-dragdrop" Version="3.2.1" />
+		<PackageReference Include="Microsoft.EntityFrameworkCore" Version="8.0.3" />
+		<PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="8.0.3" />
+		<PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="8.0.3" />
 	</ItemGroup>
 
 	<ItemGroup Condition=" '$(Configuration)' == 'Debug'">
diff --git a/BetterGenshinImpact/Model/Database/ApplicationDbContext.cs b/BetterGenshinImpact/Model/Database/ApplicationDbContext.cs
new file mode 100644
index 00000000..e3df9358
--- /dev/null
+++ b/BetterGenshinImpact/Model/Database/ApplicationDbContext.cs
@@ -0,0 +1,25 @@
+using System.IO;
+using BetterGenshinImpact.Core.Config;
+using Microsoft.EntityFrameworkCore;
+
+namespace BetterGenshinImpact.Model.Database
+{
+    public class ApplicationDbContext : DbContext
+    {
+        public DbSet<TaskList> TaskLists { get; set; }
+
+        protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
+        {
+            var dbPath = Path.Combine(Global.Absolute("User\\db"), "Data", "bgi_user.db");
+            Directory.CreateDirectory(Path.GetDirectoryName(dbPath)!);
+            optionsBuilder.UseSqlite($"Data Source={dbPath}");
+        }
+
+        protected override void OnModelCreating(ModelBuilder modelBuilder)
+        {
+            modelBuilder.Entity<TaskList>()
+                .HasIndex(t => t.OrderIndex)
+                .IsUnique();
+        }
+    }
+} 
\ No newline at end of file
diff --git a/BetterGenshinImpact/Model/Database/TaskList.cs b/BetterGenshinImpact/Model/Database/TaskList.cs
new file mode 100644
index 00000000..10037cbc
--- /dev/null
+++ b/BetterGenshinImpact/Model/Database/TaskList.cs
@@ -0,0 +1,51 @@
+using System;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace BetterGenshinImpact.Model.Database
+{
+    [Table("task_list")]
+    public class TaskList
+    {
+        [Key]
+        [Column("id")]
+        public int Id { get; set; }
+
+        [Column("order_index")]
+        public int OrderIndex { get; set; }
+
+        [Column("task_name")]
+        [Required]
+        [MaxLength(255)]
+        public string TaskName { get; set; } = string.Empty;
+
+        [Column("task_params")]
+        public string? TaskParams { get; set; }
+
+        [Column("schedule_expression")]
+        [MaxLength(255)]
+        public string? ScheduleExpression { get; set; }
+
+        [Column("schedule_type")]
+        [MaxLength(50)]
+        public string? ScheduleType { get; set; }
+
+        [Column("next_run_time")]
+        public DateTime? NextRunTime { get; set; }
+
+        [Column("last_run_time")]
+        public DateTime? LastRunTime { get; set; }
+
+        [Column("hotkey")]
+        [MaxLength(50)]
+        public string? Hotkey { get; set; }
+
+        [Column("hotkey_")]
+        [MaxLength(50)]
+        public string? Hotkey2 { get; set; }
+
+        [Column("category")]
+        [MaxLength(50)]
+        public string? Category { get; set; }
+    }
+} 
\ No newline at end of file