diff --git a/Projects/DLL/SystemX.Core.dll b/Projects/DLL/SystemX.Core.dll
index 12d2465..fc5c005 100644
Binary files a/Projects/DLL/SystemX.Core.dll and b/Projects/DLL/SystemX.Core.dll differ
diff --git a/Projects/SystemX.Core/SystemX.Core/Services/DBContextProvider.cs b/Projects/SystemX.Core/SystemX.Core/Services/DBContextProvider.cs
index 07a9e43..c15cada 100644
--- a/Projects/SystemX.Core/SystemX.Core/Services/DBContextProvider.cs
+++ b/Projects/SystemX.Core/SystemX.Core/Services/DBContextProvider.cs
@@ -12,7 +12,7 @@ namespace SystemX.Core.Services
 {
     public class DbContextProvider
     {
-        private Dictionary<string, DataBase> DBDictionary = new Dictionary<string, DataBase>();
+        public Dictionary<string, DataBase> DBDictionary { get; private set; } = new Dictionary<string, DataBase>();
         
         public void SetDBList(IList<DataBase>? DBList)
         {
@@ -40,6 +40,6 @@ namespace SystemX.Core.Services
             }
 
             return null;
-        }
+        }      
     }
 }
diff --git a/Projects/WebClient/Web.Tra/Components/Pages/TRA.razor b/Projects/WebClient/Web.Tra/Components/Pages/TRA.razor
index e4b4e2a..ed1e8a9 100644
--- a/Projects/WebClient/Web.Tra/Components/Pages/TRA.razor
+++ b/Projects/WebClient/Web.Tra/Components/Pages/TRA.razor
@@ -1,7 +1,12 @@
 @page "/tra"
+@using Web.Tra.Services
+@inject CPXV2LogService CPXV2LogService
 
 <h3>TRA</h3>
 
 @code {
-
+    protected override async Task OnInitializedAsync()
+    {
+        CPXV2LogService.Test();   
+    }
 }
diff --git a/Projects/WebClient/Web.Tra/Program.cs b/Projects/WebClient/Web.Tra/Program.cs
index b33edf1..36d8ffb 100644
--- a/Projects/WebClient/Web.Tra/Program.cs
+++ b/Projects/WebClient/Web.Tra/Program.cs
@@ -4,6 +4,7 @@ using SystemX.Core.Config.Model;
 using SystemX.Core.DB;
 using SystemX.Core.Services;
 using Web.Tra.Components;
+using Web.Tra.Services;
 using WebClient.Library.Config;
 using WebClient.Library.Model;
 
@@ -26,6 +27,9 @@ var builder = WebApplication.CreateBuilder(args);
 //singleton
 builder.Services.AddSingleton<ConfigService<WebClientConfig>>();
 
+//scoped
+builder.Services.AddScoped<CPXV2LogService>();
+
 //db
 builder.Services.AddSingleton<DbContextProvider>(); // Generic µî·Ï
 
@@ -39,7 +43,7 @@ builder.Services.AddRadzenComponents();
 ConfigService<WebClientConfig> preloadConfig = new ConfigService<WebClientConfig>();
 if (preloadConfig.OpenConfig($@"{configDir}/{configFileName}") == true)
 {
-    var config = preloadConfig.GetConfig();       
+    var config = preloadConfig.GetConfig();
 }
 else
 {
@@ -74,18 +78,30 @@ if (configService?.OpenConfig($@"{configDir}/{configFileName}") == true)
             var longTermDB = getDbList.Where(x => x.Name.ToLower().Contains("longterm")).ToList();
 
             List<DataBase> logDb = new List<DataBase>();
-            foreach (var db in longTermDB.Select((value,index) => (value, index)))
+            foreach (var db in longTermDB)
             {
-                logDb.Add(new DataBase
+                try
                 {
-                    DBID = db.index,
-                    DBName = db.value.Name,
-                    IP = "127.0.0.1",
-                    Port = 1433,
-                    UserID = "Alis",
-                    Password = "Kefico!@34",
-                    DBContext = ""
-                });
+                    var year = db.Name.Split("_")[1];
+                    if(Int32.TryParse(year, out var index))
+                    {
+                        logDb.Add(new DataBase
+                        {
+                            DBID = index,
+                            DBName = db.Name,
+                            IP = "127.0.0.1",
+                            Port = 1433,
+                            UserID = "Alis",
+                            Password = "Kefico!@34",
+                            DBContext = ""
+                        });
+                    }
+                }
+                catch(Exception e)
+                {
+                    LogXnet.WriteLine("DB Register Exception");
+                    LogXnet.WriteLine(e);
+                }
             }
 
             dbProvider.SetDBList(logDb);
diff --git a/Projects/WebClient/Web.Tra/Services/CPXV2LogService.cs b/Projects/WebClient/Web.Tra/Services/CPXV2LogService.cs
new file mode 100644
index 0000000..d66f630
--- /dev/null
+++ b/Projects/WebClient/Web.Tra/Services/CPXV2LogService.cs
@@ -0,0 +1,113 @@
+using Azure.Core;
+using Microsoft.EntityFrameworkCore;
+using System.Data;
+using SystemX.Core.DB;
+using SystemX.Core.Services;
+using WebClient.Library.Config;
+
+namespace Web.Tra.Services
+{
+    public class CPXV2LogService
+    {
+        private readonly IServiceScopeFactory _scopeFactory;
+        private readonly ConfigService<WebClientConfig>? _configService;
+
+        public CPXV2LogService(IServiceProvider serviceProvider, IServiceScopeFactory scopeFactory, ConfigService<WebClientConfig> configService)
+        {
+            _scopeFactory = scopeFactory;
+            _configService = configService;
+        }
+        public async Task Test()
+        {
+            using (var scope = _scopeFactory.CreateScope())
+            {
+                var provider = scope.ServiceProvider.GetRequiredService<DbContextProvider>();
+                using (var context = GetDBContext<CPXV2>(provider, 1))
+                {
+                    if (context is not null)
+                    {
+                    }
+                }
+            }
+
+            using (var scope = _scopeFactory.CreateScope())
+            {
+                var provider = scope.ServiceProvider.GetRequiredService<DbContextProvider>();
+                using (var context = GetDBContext<CPXV2Log>(provider, 2023))
+                {
+                    if (context is not null)
+                    {                       
+                    }
+                }
+            }
+
+            using (var scope = _scopeFactory.CreateScope())
+            {
+                var provider = scope.ServiceProvider.GetRequiredService<DbContextProvider>();
+                using (var context = GetDBContext<CPXV2Log>(provider, 2024))
+                {
+                    if (context is not null)
+                    {
+                    }
+                }
+            }
+        }
+      
+        private T? GetDBContext<T>(DbContextProvider provider, int dbID) where T : DbContext
+        {
+            var findDB = provider.DBDictionary.Keys.First(x => x.Contains(dbID.ToString()));
+            if(string.IsNullOrEmpty(findDB) == false)
+            {
+                if (provider.DBDictionary.TryGetValue(findDB, out var dbContext))
+                {
+                    return provider?.GetDBContext<T>($"{dbContext.DBName}");
+                }
+            }         
+
+            return null;
+        }
+
+        //public async Task<Response_SelectUniqueKy> Request_SelectUniqueKey(Request_SelectUniqueKey request, string guid = "")
+        //{
+        //    Response_SelectUniqueKy response = new Response_SelectUniqueKy();
+
+        //    if (request != null)
+        //    {
+        //        response.Identity = request.Identity;
+        //        using (var scope = _scopeFactory.CreateScope())
+        //        {
+        //            var provider = scope.ServiceProvider.GetRequiredService<DbContextProvider>();
+        //            using (var context = GetUniqueKeyDBContext(provider, 1))
+        //            {
+        //                if (context is not null)
+        //                {
+        //                    try
+        //                    {
+        //                        using (var transaction = await context.CreateTransactionAsync(IsolationLevel.ReadUncommitted))
+        //                        {
+        //                            var data = await context.tUniqueKeyStorages.AsNoTracking().FirstOrDefaultAsync(x => x.cIdentity == request.Identity);
+        //                            await context.CloseTransactionAsync(transaction);
+        //                            if (data != null)
+        //                            {
+        //                                response.Data1 = data.cData1;
+        //                                response.Data2 = data.cData2;
+        //                                response.Data3 = data.cData3;
+        //                                response.Data4 = data.cData4;
+        //                                response.Data5 = data.cData5;
+        //                            }
+        //                        }
+        //                    }
+        //                    catch (Exception e)
+        //                    {
+        //                        LogXnet.WriteLine($"Select Unique Key Transaction Error::{guid}", LogXLabel.Error);
+        //                        LogXnet.WriteLine(e);
+        //                    }
+        //                }
+        //            }
+        //        }
+        //    }
+
+        //    return response;
+        //}
+    }
+}