diff --git a/src/CMSMicroservice.Infrastructure/BackgroundServices/MagicWalletCycleSeedService.cs b/src/CMSMicroservice.Infrastructure/BackgroundServices/MagicWalletCycleSeedService.cs
new file mode 100644
index 0000000..72cdd87
--- /dev/null
+++ b/src/CMSMicroservice.Infrastructure/BackgroundServices/MagicWalletCycleSeedService.cs
@@ -0,0 +1,126 @@
+using CMSMicroservice.Application.Common.Interfaces;
+using CMSMicroservice.Domain.Entities.Club;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Hosting;
+using Microsoft.Extensions.Logging;
+
+namespace CMSMicroservice.Infrastructure.BackgroundServices;
+
+/// <summary>
+/// سرویس یکباره برای Seed کردن ClubMembershipCycle برای عضویت‌های فعال موجود.
+/// عضویت‌هایی که قبل از اضافه شدن سیستم Cycle ایجاد شده‌اند رکورد ندارند.
+/// این Worker در استارتاپ اجرا شده، برای آنها CycleNumber=1 می‌سازد و سپس متوقف می‌شود.
+/// 
+/// فعال/غیرفعال از appsettings:
+///   "SeedWorkers": { "MagicWalletCycleSeed": { "Enabled": true } }
+/// 
+/// بعد از اجرای موفق، Enabled را false کنید.
+/// </summary>
+public class MagicWalletCycleSeedService : BackgroundService
+{
+    private readonly IServiceScopeFactory _scopeFactory;
+    private readonly ILogger<MagicWalletCycleSeedService> _logger;
+
+    public MagicWalletCycleSeedService(
+        IServiceScopeFactory scopeFactory,
+        ILogger<MagicWalletCycleSeedService> logger)
+    {
+        _scopeFactory = scopeFactory;
+        _logger = logger;
+    }
+
+    protected override async Task ExecuteAsync(CancellationToken stoppingToken)
+    {
+        // صبر کوتاه برای اطمینان از آماده شدن دیتابیس
+        await Task.Delay(TimeSpan.FromSeconds(15), stoppingToken);
+
+        _logger.LogInformation("MagicWalletCycleSeedService started — scanning active memberships without cycles...");
+
+        try
+        {
+            using var scope = _scopeFactory.CreateScope();
+            var context = scope.ServiceProvider.GetRequiredService<IApplicationDbContext>();
+
+            var seededCount = await SeedMissingCycles(context, stoppingToken);
+
+            _logger.LogInformation(
+                "MagicWalletCycleSeedService completed — seeded {Count} ClubMembershipCycle records",
+                seededCount);
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "MagicWalletCycleSeedService encountered an error");
+        }
+
+        _logger.LogInformation(
+            "MagicWalletCycleSeedService finished — shutting down (one-time execution). " +
+            "Set SeedWorkers:MagicWalletCycleSeed:Enabled to false in appsettings.");
+    }
+
+    private async Task<int> SeedMissingCycles(IApplicationDbContext context, CancellationToken ct)
+    {
+        // پیدا کردن عضویت‌های فعالی که هنوز Cycle ندارند
+        var membershipIdsWithCycle = await context.ClubMembershipCycles
+            .Where(c => !c.IsDeleted)
+            .Select(c => c.ClubMembershipId)
+            .Distinct()
+            .ToListAsync(ct);
+
+        var membershipsWithoutCycle = await context.ClubMemberships
+            .Where(cm => !cm.IsDeleted && cm.IsActive && !membershipIdsWithCycle.Contains(cm.Id))
+            .Select(cm => new
+            {
+                cm.Id,
+                cm.UserId,
+                cm.ActivatedAt
+            })
+            .ToListAsync(ct);
+
+        if (membershipsWithoutCycle.Count == 0)
+        {
+            _logger.LogInformation("No active memberships without cycles found — nothing to seed");
+            return 0;
+        }
+
+        _logger.LogInformation("Found {Count} active memberships without ClubMembershipCycle — seeding...",
+            membershipsWithoutCycle.Count);
+
+        var seeded = 0;
+        foreach (var cm in membershipsWithoutCycle)
+        {
+            if (ct.IsCancellationRequested) break;
+
+            try
+            {
+                var cycle = new ClubMembershipCycle
+                {
+                    UserId = cm.UserId,
+                    ClubMembershipId = cm.Id,
+                    CycleNumber = 1,
+                    PackagePurchasedAt = cm.ActivatedAt ?? DateTime.UtcNow,
+                    IsCurrentCycle = true,
+                    PurchaseMethod = 0,
+                    PackageAmount = 0
+                };
+
+                context.ClubMembershipCycles.Add(cycle);
+                seeded++;
+
+                _logger.LogDebug(
+                    "Seeded ClubMembershipCycle for UserId={UserId}, MembershipId={MembershipId}, ActivatedAt={ActivatedAt}",
+                    cm.UserId, cm.Id, cm.ActivatedAt);
+            }
+            catch (Exception ex)
+            {
+                _logger.LogWarning(ex,
+                    "Failed to seed cycle for MembershipId={MembershipId}, UserId={UserId}",
+                    cm.Id, cm.UserId);
+            }
+        }
+
+        await context.SaveChangesAsync(ct);
+
+        return seeded;
+    }
+}
diff --git a/src/CMSMicroservice.Infrastructure/ConfigureServices.cs b/src/CMSMicroservice.Infrastructure/ConfigureServices.cs
index bb47e93..016fb9d 100644
--- a/src/CMSMicroservice.Infrastructure/ConfigureServices.cs
+++ b/src/CMSMicroservice.Infrastructure/ConfigureServices.cs
@@ -126,6 +126,10 @@ public static class ConfigureServices
         // One-time: Initialize inventory records for existing products
         services.AddHostedService<InventoryInitializerService>();
         
+        // One-time: Seed ClubMembershipCycle for existing active memberships
+        if (configuration.GetValue<bool>("SeedWorkers:MagicWalletCycleSeed:Enabled"))
+            services.AddHostedService<MagicWalletCycleSeedService>();
+        
         if (configuration.GetValue<bool>("UseInMemoryDatabase"))
         {
             services.AddDbContext<ApplicationDbContext>(options =>
diff --git a/src/CMSMicroservice.WebApi/appsettings.Staging.json b/src/CMSMicroservice.WebApi/appsettings.Staging.json
index c0f39e7..608c072 100644
--- a/src/CMSMicroservice.WebApi/appsettings.Staging.json
+++ b/src/CMSMicroservice.WebApi/appsettings.Staging.json
@@ -68,6 +68,11 @@
       "CronExpression": "5 0 * * 0"
     }
   },
+  "SeedWorkers": {
+    "MagicWalletCycleSeed": {
+      "Enabled": true
+    }
+  },
   "AllowedHosts": "*",
   "Kestrel": {
     "EndpointDefaults": {
diff --git a/src/CMSMicroservice.WebApi/appsettings.json b/src/CMSMicroservice.WebApi/appsettings.json
index d8263d5..424513b 100644
--- a/src/CMSMicroservice.WebApi/appsettings.json
+++ b/src/CMSMicroservice.WebApi/appsettings.json
@@ -75,6 +75,11 @@
       "CronExpression": "5 0 * * 0"
     }
   },
+  "SeedWorkers": {
+    "MagicWalletCycleSeed": {
+      "Enabled": true
+    }
+  },
   "AllowedHosts": "*",
   "Authentication": {
     "Authority": "https://ids.domain.com/",