diff --git a/src/Infrastructure/BotSharp.Core/BotSharp.Core.csproj b/src/Infrastructure/BotSharp.Core/BotSharp.Core.csproj
index cae1e96b9..8768ecd17 100644
--- a/src/Infrastructure/BotSharp.Core/BotSharp.Core.csproj
+++ b/src/Infrastructure/BotSharp.Core/BotSharp.Core.csproj
@@ -11,13 +11,13 @@
   <PropertyGroup>
     <Authors>Haiping Chen</Authors>
     <Company>SciSharp STACK</Company>
-    <Product>LL Application Framework</Product>
+    <Product>AI Agent Application Framework</Product>
     <Description>
       Open source LLM application framework to build scalable, flexible and robust AI system.
     </Description>
     <RepositoryType>git</RepositoryType>
     <RepositoryUrl>https://github.com/SciSharp/BotSharp</RepositoryUrl>
-    <PackageTags>Chatbot, Bot, LLM, AI, ChatGPT, OpenAI</PackageTags>
+    <PackageTags>Chatbot, Agent, LLM, AI, ChatGPT, OpenAI, Semantic</PackageTags>
     <PackageReleaseNotes>Support dialogue status tracking.</PackageReleaseNotes>
     <Copyright>Since 2018 Haiping Chen</Copyright>
     <PackageProjectUrl>https://github.com/SciSharp/BotSharp</PackageProjectUrl>
@@ -177,12 +177,12 @@
 
   <ItemGroup>
     <PackageReference Include="Aspects.Cache" Version="2.0.4" />
+    <PackageReference Include="DistributedLock.Redis" Version="1.0.3" />
     <PackageReference Include="EntityFrameworkCore.BootKit" Version="8.4.2" />
-    <PackageReference Include="Fluid.Core" Version="2.8.0" />
+    <PackageReference Include="Fluid.Core" Version="2.11.0" />
     <PackageReference Include="Microsoft.AspNetCore.StaticFiles" Version="2.2.0" />
     <PackageReference Include="Microsoft.Extensions.Http" Version="8.0.0" />
-    <PackageReference Include="Nanoid" Version="3.0.0" />
-    <PackageReference Include="RedLock.net" Version="2.3.2" />
+    <PackageReference Include="Nanoid" Version="3.1.0" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/src/Infrastructure/BotSharp.Core/Infrastructures/DistributedLocker.cs b/src/Infrastructure/BotSharp.Core/Infrastructures/DistributedLocker.cs
index 82b655c79..0a5a7cb82 100644
--- a/src/Infrastructure/BotSharp.Core/Infrastructures/DistributedLocker.cs
+++ b/src/Infrastructure/BotSharp.Core/Infrastructures/DistributedLocker.cs
@@ -1,6 +1,4 @@
-using RedLockNet;
-using RedLockNet.SERedis;
-using RedLockNet.SERedis.Configuration;
+using Medallion.Threading.Redis;
 using StackExchange.Redis;
 
 namespace BotSharp.Core.Infrastructures;
@@ -8,42 +6,46 @@ namespace BotSharp.Core.Infrastructures;
 public class DistributedLocker
 {
     private readonly BotSharpDatabaseSettings _settings;
-    private readonly RedLockFactory _lockFactory;
 
-    public DistributedLocker(/*BotSharpDatabaseSettings settings*/)
+    public DistributedLocker(BotSharpDatabaseSettings settings)
     {
-        // _settings = settings;
+        _settings = settings;
+    }
+
+    public async Task Lock(string resource, Func<Task> action, int timeoutInSeconds = 30)
+    {
+        var timeout = TimeSpan.FromSeconds(timeoutInSeconds);
 
-        var multiplexers = new List<RedLockMultiplexer>();
-        foreach (var x in "".Split(';'))
+        var connection = await ConnectionMultiplexer.ConnectAsync(_settings.Redis);
+        var @lock = new RedisDistributedLock(resource, connection.GetDatabase());
+        await using (var handle = await @lock.TryAcquireAsync(timeout))
         {
-            var option = new ConfigurationOptions
+            if (handle != null) 
+            {
+                await action();
+            }
+            else
             {
-                AbortOnConnectFail = false,
-                EndPoints = { x }
-            };
-            var _connMuliplexer = ConnectionMultiplexer.Connect(option);
-            multiplexers.Add(_connMuliplexer);
+                Serilog.Log.Logger.Error($"Acquire lock for {resource} failed due to after {timeout}s timeout.");
+            }
         }
-
-        _lockFactory = RedLockFactory.Create(multiplexers);
     }
 
-    public async Task Lock(string resource, Func<Task> action)
+    public async Task Lock(string resource, Action action, int timeoutInSeconds = 30)
     {
-        var expiry = TimeSpan.FromSeconds(60);
-        var wait = TimeSpan.FromSeconds(30);
-        var retry = TimeSpan.FromSeconds(3);
+        var timeout = TimeSpan.FromSeconds(timeoutInSeconds);
 
-        await using (var redLock = await _lockFactory.CreateLockAsync(resource, expiry, wait, retry))
+        var connection = await ConnectionMultiplexer.ConnectAsync(_settings.Redis);
+        var @lock = new RedisDistributedLock(resource, connection.GetDatabase());
+        await using (var handle = await @lock.TryAcquireAsync(timeout))
         {
-            if (redLock.IsAcquired)
+            if (handle != null)
             {
-                await action();
+                action();
             }
             else
             {
-                Console.WriteLine($"Acquire locak failed due to {resource} after {wait}s timeout.");
+                Serilog.Log.Logger.Error($"Acquire lock for {resource} failed due to after {timeout}s timeout.");
             }
         }
     }
diff --git a/src/Infrastructure/BotSharp.Core/Repository/RepositoryPlugin.cs b/src/Infrastructure/BotSharp.Core/Repository/RepositoryPlugin.cs
index 3160597a5..bfbc0a6da 100644
--- a/src/Infrastructure/BotSharp.Core/Repository/RepositoryPlugin.cs
+++ b/src/Infrastructure/BotSharp.Core/Repository/RepositoryPlugin.cs
@@ -12,6 +12,9 @@ public class RepositoryPlugin : IBotSharpPlugin
 
     public void RegisterDI(IServiceCollection services, IConfiguration config)
     {
+        var myDatabaseSettings = new BotSharpDatabaseSettings();
+        config.Bind("Database", myDatabaseSettings);
+
         // In order to use EntityFramework.BootKit in other plugin
         services.AddScoped(provider =>
         {
@@ -25,14 +28,8 @@ public void RegisterDI(IServiceCollection services, IConfiguration config)
             return settingService.Bind<DatabaseBasicSettings>("Database");
         });
 
-        services.AddScoped(provider =>
-        {
-            var settingService = provider.GetRequiredService<ISettingService>();
-            return settingService.Bind<BotSharpDatabaseSettings>("Database");
-        });
+        services.AddSingleton(provider => myDatabaseSettings);
 
-        var myDatabaseSettings = new BotSharpDatabaseSettings();
-        config.Bind("Database", myDatabaseSettings);
         if (myDatabaseSettings.Default == RepositoryEnum.FileRepository)
         {
             services.AddScoped<IBotSharpRepository, FileRepository>();