diff --git a/AnalysisData/AnalysisData/Graph/GraphUtility.cs b/AnalysisData/AnalysisData/Graph/GraphUtility.cs
index 07c185d..209bc4f 100644
--- a/AnalysisData/AnalysisData/Graph/GraphUtility.cs
+++ b/AnalysisData/AnalysisData/Graph/GraphUtility.cs
@@ -1,77 +1,80 @@
-using AnalysisData.Graph.DataManage.Model;
-using AnalysisData.Repository.AccountRepository;
-using AnalysisData.Repository.TransactionRepository;
-using QuickGraph;
-
-namespace AnalysisData.Graph;
-
-public class GraphUtility
-{
-    public BidirectionalGraph<Account, TransactionEdgeAdapter> Graph { get; private set; }
-    private readonly AccountRepository _accountService;
-    private readonly TransactionRepository _transactionService;
-
-    public GraphUtility(AccountRepository accountService, TransactionRepository transactionService)
-    {
-        Graph = new BidirectionalGraph<Account, TransactionEdgeAdapter>();
-        _accountService = accountService;
-        _transactionService = transactionService;
-    }
-
-    public async Task BuildGraphAsync()
-    {
-        var accounts = await _accountService.GetAllAccounts();
-        foreach (var account in accounts)
-        {
-            if (!Graph.ContainsVertex(account))
-            {
-                Graph.AddVertex(account);
-            }
-        }
-
-        var transactions = await _transactionService.GetAllTransaction();
-        foreach (var transaction in transactions)
-        {
-            await AddTransactionAsync(transaction);
-        }
-    }
-
-    public async Task AddTransactionAsync(Transaction transaction)
-    {
-        var sourceAccount = await _accountService.GetAccountById(transaction.SourceAccount);
-        var targetAccount = await _accountService.GetAccountById(transaction.DestinationAccount);
-
-        if (sourceAccount == null || targetAccount == null)
-        {
-            throw new ArgumentException("Both accounts must exist in the database.");
-        }
-
-        var edge = new TransactionEdgeAdapter(sourceAccount, targetAccount, transaction);
-        Graph.AddEdge(edge);
-    }
-
-    public string ToJson()
-    {
-        var transactions = new List<object>();
-
-        foreach (var edge in Graph.Edges)
-        {
-            transactions.Add(new
-            {
-                From = edge.Source.AccountID,
-                To = edge.Target.AccountID,
-                Transaction = new
-                {
-                    SourceAccount = edge.Transaction.SourceAccount,
-                    DestinationAccount = edge.Transaction.DestinationAccount,
-                    Amount = edge.Transaction.Amount,
-                    Date = edge.Transaction.Date,
-                    TransactionID = edge.Transaction.TransactionID,
-                    Type = edge.Transaction.Type
-                }
-            });
-        }
-
-        return System.Text.Json.JsonSerializer.Serialize(transactions, new System.Text.Json.JsonSerializerOptions { WriteIndented = true });
-    }
-}
\ No newline at end of file
+// using AnalysisData.Graph.DataManage.Model;
+// using AnalysisData.Repository.AccountRepository;
+// using AnalysisData.Repository.TransactionRepository;
+// using QuickGraph;
+//
+// namespace AnalysisData.Graph;
+//
+// public class GraphUtility
+// {
+//     public BidirectionalGraph<Account, TransactionEdgeAdapter> Graph { get; private set; }
+//     private readonly AccountRepository _accountService;
+//     private readonly TransactionRepository _transactionService;
+//
+//     public GraphUtility(AccountRepository accountService, TransactionRepository transactionService)
+//     {
+//         Graph = new BidirectionalGraph<Account, TransactionEdgeAdapter>();
+//         _accountService = accountService;
+//         _transactionService = transactionService;
+//     }
+//
+//     public async Task BuildGraphAsync()
+//     {
+//         var accounts = await _accountService.GetAllAccounts();
+//         foreach (var account in accounts)
+//         {
+//             if (!Graph.ContainsVertex(account))
+//             {
+//                 Graph.AddVertex(account);
+//             }
+//         }
+//
+//         var transactions = await _transactionService.GetAllTransaction();
+//         foreach (var transaction in transactions)
+//         {
+//             await AddTransactionAsync(transaction);
+//         }
+//     }
+//
+//     public async Task AddTransactionAsync(Transaction transaction)
+//     {
+//         var sourceAccount = await _accountService.GetAccountById(transaction.SourceAccount);
+//         var targetAccount = await _accountService.GetAccountById(transaction.DestinationAccount);
+//
+//         if (sourceAccount == null || targetAccount == null)
+//         {
+//             throw new ArgumentException("Both accounts must exist in the database.");
+//         }
+//
+//         var edge = new TransactionEdgeAdapter(sourceAccount, targetAccount, transaction);
+//         Graph.AddEdge(edge);
+//     }
+//
+//     public string ToJson()
+//     {
+//         var transactions = new List<object>();
+//
+//         foreach (var edge in Graph.Edges)
+//         {
+//             transactions.Add(new
+//             {
+//                 From = edge.Source.AccountID,
+//                 To = edge.Target.AccountID,
+//                 Transaction = new
+//                 {
+//                     SourceAccount = edge.Transaction.SourceAccount,
+//                     DestinationAccount = edge.Transaction.DestinationAccount,
+//                     Amount = edge.Transaction.Amount,
+//                     Date = edge.Transaction.Date,
+//                     TransactionID = edge.Transaction.TransactionID,
+//                     Type = edge.Transaction.Type
+//                 }
+//             });
+//         }
+//
+//         return System.Text.Json.JsonSerializer.Serialize(transactions, new System.Text.Json.JsonSerializerOptions { WriteIndented = true });
+//     }
+//     
+//     
+//     public BidirectionalGraph<Account, ITransactionEdge> GetGraph() => Graph;
+// }
\ No newline at end of file
diff --git a/AnalysisData/AnalysisData/Graph/IGraphUtility.cs b/AnalysisData/AnalysisData/Graph/IGraphUtility.cs
new file mode 100644
index 0000000..8181b7e
--- /dev/null
+++ b/AnalysisData/AnalysisData/Graph/IGraphUtility.cs
@@ -0,0 +1,12 @@
+// using AnalysisData.Graph.DataManage.Model;
+// using QuickGraph;
+//
+// namespace AnalysisData.Graph;
+//
+// public interface IGraphUtility
+// {
+//     Task BuildGraphAsync();
+//     Task AddTransactionAsync(Transaction transaction);
+//     string ToJson();
+//     BidirectionalGraph<Account, Transaction> GetGraph(); 
+// }
\ No newline at end of file
diff --git a/AnalysisData/AnalysisData/Program.cs b/AnalysisData/AnalysisData/Program.cs
index bcafab0..e2176cd 100644
--- a/AnalysisData/AnalysisData/Program.cs
+++ b/AnalysisData/AnalysisData/Program.cs
@@ -42,6 +42,14 @@
 builder.Services.AddDbContext<ApplicationDbContext>(options =>
     options.UseNpgsql(builder.Configuration.GetConnectionString("DefaultConnection")));
 builder.Services.AddControllers();
+builder.Services.AddCors(options =>
+{
+    options.AddPolicy("AllowAngularApp",
+        corsPolicyBuilder => corsPolicyBuilder.WithOrigins("http://localhost:4200")
+            .AllowAnyMethod()
+            .AllowAnyHeader()
+            .AllowCredentials());
+});
 builder.Services.AddAuthentication(options =>
     {
         options.DefaultAuthenticateScheme = JwtBearerDefaults.AuthenticationScheme;
@@ -90,17 +98,4 @@
 app.UseAuthentication();
 app.UseAuthorization();
 app.MapControllers();
-
-using (var scope = app.Services.CreateScope())
-{
-    var services = scope.ServiceProvider;
-
-    var context = services.GetRequiredService<ApplicationDbContext>();
-    context.Database.EnsureCreated();
-
-    if (context.Database.GetPendingMigrations().Any())
-    {
-        context.Database.Migrate();
-    }
-}
 app.Run();
\ No newline at end of file