diff --git a/XisongSpaceBooking_BackEnd/Program.cs b/XisongSpaceBooking_BackEnd/Program.cs
index 48863a6..1830afa 100644
--- a/XisongSpaceBooking_BackEnd/Program.cs
+++ b/XisongSpaceBooking_BackEnd/Program.cs
@@ -1,12 +1,32 @@
+using Microsoft.EntityFrameworkCore;
+using Microsoft.OpenApi.Models;
+using XisongSpaceBooking_BackEnd.Configurations;
+
 var builder = WebApplication.CreateBuilder(args);
 
 // Add services to the container.
-
 builder.Services.AddControllers();
+
+// 配置 Entity Framework
+builder.Services.AddDbContext<SpaceBookingDbContext>(options =>
+{
+    var connectionString = builder.Configuration.GetConnectionString("DefaultConnection");
+    options.UseMySql(connectionString, ServerVersion.AutoDetect(connectionString),
+        mySqlOptions =>
+        {
+            mySqlOptions.EnableRetryOnFailure(
+                maxRetryCount: 5,
+                maxRetryDelay: TimeSpan.FromSeconds(30),
+                errorNumbersToAdd: null);
+        });
+});
+
 // Learn more about configuring Swagger/OpenAPI at https://aka.ms/aspnetcore/swashbuckle
 builder.Services.AddEndpointsApiExplorer();
-builder.Services.AddSwaggerGen();
-
+builder.Services.AddSwaggerGen(c =>
+{
+    c.SwaggerDoc("v1", new OpenApiInfo { Title = "西松高中場地預約/Xisong Space Booking API", Version = "v1" });
+});
 var app = builder.Build();
 
 // Configure the HTTP request pipeline.
@@ -16,6 +36,8 @@ if (app.Environment.IsDevelopment())
     app.UseSwaggerUI();
 }
 
+app.UseCors("AllowAll");
+
 app.UseHttpsRedirection();
 
 app.UseAuthorization();