diff --git a/XisongSpaceBooking_BackEnd/Program.cs b/XisongSpaceBooking_BackEnd/Program.cs
index 894213e..b2d3eca 100644
--- a/XisongSpaceBooking_BackEnd/Program.cs
+++ b/XisongSpaceBooking_BackEnd/Program.cs
@@ -1,6 +1,7 @@
 using Microsoft.EntityFrameworkCore;
 using Microsoft.OpenApi.Models;
 using XisongSpaceBooking_BackEnd.Configurations;
+using XisongSpaceBooking_BackEnd.Repositories;
 
 var builder = WebApplication.CreateBuilder(args);
 
@@ -12,6 +13,10 @@ builder.Services.AddAutoMapper(cfg =>
 {
 }, typeof(AutoMappingProfile).Assembly);
 
+// 註冊 Repository 服務
+builder.Services.AddScoped<IRoleRepository, RoleRepository>();
+builder.Services.AddScoped<IDepartmentRepository, DepartmentRepository>();
+
 // 配置 Entity Framework 與連線池
 builder.Services.AddDbContextPool<SpaceBookingDbContext>(options =>
 {
diff --git a/XisongSpaceBooking_BackEnd/Repositories/DepartmentRepository.cs b/XisongSpaceBooking_BackEnd/Repositories/DepartmentRepository.cs
new file mode 100644
index 0000000..7abe887
--- /dev/null
+++ b/XisongSpaceBooking_BackEnd/Repositories/DepartmentRepository.cs
@@ -0,0 +1,34 @@
+嚜簑sing Microsoft.EntityFrameworkCore;
+using Models.Entities;
+using XisongSpaceBooking_BackEnd.Configurations;
+
+namespace XisongSpaceBooking_BackEnd.Repositories
+{
+    /// <summary>
+    /// ���摰方�����摮����撖虫��
+    /// </summary>
+    public class DepartmentRepository : IDepartmentRepository
+    {
+        private readonly SpaceBookingDbContext _context;
+
+        /// <summary>
+        /// 撱箸����賢��
+        /// </summary>
+        /// <param name="context">鞈����摨怠�批捆</param>
+        public DepartmentRepository(SpaceBookingDbContext context)
+        {
+            _context = context;
+        }
+
+        /// <summary>
+        /// ���敺����������摰方�����
+        /// </summary>
+        /// <returns>���������摰方��������������</returns>
+        public async Task<IEnumerable<DepartmentEntity>> GetAllAsync()
+        {
+            return await _context.Departments
+                .AsNoTracking()
+                .ToListAsync();
+        }
+    }
+}
\ No newline at end of file
diff --git a/XisongSpaceBooking_BackEnd/Repositories/IDepartmentRepository.cs b/XisongSpaceBooking_BackEnd/Repositories/IDepartmentRepository.cs
new file mode 100644
index 0000000..5b03e1f
--- /dev/null
+++ b/XisongSpaceBooking_BackEnd/Repositories/IDepartmentRepository.cs
@@ -0,0 +1,16 @@
+嚜簑sing Models.Entities;
+
+namespace XisongSpaceBooking_BackEnd.Repositories
+{
+    /// <summary>
+    /// ���摰方�����摮����隞����
+    /// </summary>
+    public interface IDepartmentRepository
+    {
+        /// <summary>
+        /// ���敺����������摰方�����
+        /// </summary>
+        /// <returns>���������摰方��������������</returns>
+        Task<IEnumerable<DepartmentEntity>> GetAllAsync();
+    }
+}
\ No newline at end of file
diff --git a/XisongSpaceBooking_BackEnd/Repositories/IRoleRepository.cs b/XisongSpaceBooking_BackEnd/Repositories/IRoleRepository.cs
new file mode 100644
index 0000000..55a2cca
--- /dev/null
+++ b/XisongSpaceBooking_BackEnd/Repositories/IRoleRepository.cs
@@ -0,0 +1,16 @@
+嚜簑sing Models.Entities;
+
+namespace XisongSpaceBooking_BackEnd.Repositories
+{
+    /// <summary>
+    /// 頨思遢鞈����摮����隞����
+    /// </summary>
+    public interface IRoleRepository
+    {
+        /// <summary>
+        /// ���敺�������頨思遢鞈����
+        /// </summary>
+        /// <returns>������頨思遢鞈�������������</returns>
+        Task<IEnumerable<RoleEntity>> GetAllAsync();
+    }
+}
\ No newline at end of file
diff --git a/XisongSpaceBooking_BackEnd/Repositories/RoleRepository.cs b/XisongSpaceBooking_BackEnd/Repositories/RoleRepository.cs
new file mode 100644
index 0000000..2590d73
--- /dev/null
+++ b/XisongSpaceBooking_BackEnd/Repositories/RoleRepository.cs
@@ -0,0 +1,34 @@
+嚜簑sing Microsoft.EntityFrameworkCore;
+using Models.Entities;
+using XisongSpaceBooking_BackEnd.Configurations;
+
+namespace XisongSpaceBooking_BackEnd.Repositories
+{
+    /// <summary>
+    /// 頨思遢鞈����摮����撖虫��
+    /// </summary>
+    public class RoleRepository : IRoleRepository
+    {
+        private readonly SpaceBookingDbContext _context;
+
+        /// <summary>
+        /// 撱箸����賢��
+        /// </summary>
+        /// <param name="context">鞈����摨怠�批捆</param>
+        public RoleRepository(SpaceBookingDbContext context)
+        {
+            _context = context;
+        }
+
+        /// <summary>
+        /// ���敺�������頨思遢鞈����
+        /// </summary>
+        /// <returns>������頨思遢鞈�������������</returns>
+        public async Task<IEnumerable<RoleEntity>> GetAllAsync()
+        {
+            return await _context.Roles
+                .AsNoTracking()
+                .ToListAsync();
+        }
+    }
+}