diff --git a/BotSharp.sln b/BotSharp.sln
index 4aa709de..f68ce1c6 100644
--- a/BotSharp.sln
+++ b/BotSharp.sln
@@ -145,6 +145,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "BotSharp.Test.RealtimeVoice
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "BotSharp.Plugin.ChartHandler", "src\Plugins\BotSharp.Plugin.ChartHandler\BotSharp.Plugin.ChartHandler.csproj", "{0428DEAA-E4FE-4259-A6D8-6EDD1A9D0702}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "BotSharp.Plugin.ExcelHandler", "src\Plugins\BotSharp.Plugin.ExcelHandler\BotSharp.Plugin.ExcelHandler.csproj", "{FC63C875-E880-D8BB-B8B5-978AB7B62983}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -609,6 +611,14 @@ Global
 		{0428DEAA-E4FE-4259-A6D8-6EDD1A9D0702}.Release|Any CPU.Build.0 = Release|Any CPU
 		{0428DEAA-E4FE-4259-A6D8-6EDD1A9D0702}.Release|x64.ActiveCfg = Release|Any CPU
 		{0428DEAA-E4FE-4259-A6D8-6EDD1A9D0702}.Release|x64.Build.0 = Release|Any CPU
+		{FC63C875-E880-D8BB-B8B5-978AB7B62983}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{FC63C875-E880-D8BB-B8B5-978AB7B62983}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{FC63C875-E880-D8BB-B8B5-978AB7B62983}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{FC63C875-E880-D8BB-B8B5-978AB7B62983}.Debug|x64.Build.0 = Debug|Any CPU
+		{FC63C875-E880-D8BB-B8B5-978AB7B62983}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{FC63C875-E880-D8BB-B8B5-978AB7B62983}.Release|Any CPU.Build.0 = Release|Any CPU
+		{FC63C875-E880-D8BB-B8B5-978AB7B62983}.Release|x64.ActiveCfg = Release|Any CPU
+		{FC63C875-E880-D8BB-B8B5-978AB7B62983}.Release|x64.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -679,6 +689,7 @@ Global
 		{7C0C7D13-D161-4AB0-9C29-83A0F1FF990E} = {32FAFFFE-A4CB-4FEE-BF7C-84518BBC6DCC}
 		{B067B126-88CD-4282-BEEF-7369B64423EF} = {32FAFFFE-A4CB-4FEE-BF7C-84518BBC6DCC}
 		{0428DEAA-E4FE-4259-A6D8-6EDD1A9D0702} = {51AFE054-AE99-497D-A593-69BAEFB5106F}
+		{FC63C875-E880-D8BB-B8B5-978AB7B62983} = {51AFE054-AE99-497D-A593-69BAEFB5106F}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {A9969D89-C98B-40A5-A12B-FC87E55B3A19}
diff --git a/src/Infrastructure/BotSharp.Abstraction/MLTasks/Settings/LlmModelSetting.cs b/src/Infrastructure/BotSharp.Abstraction/MLTasks/Settings/LlmModelSetting.cs
index 0cc5d1b6..1bc7ef74 100644
--- a/src/Infrastructure/BotSharp.Abstraction/MLTasks/Settings/LlmModelSetting.cs
+++ b/src/Infrastructure/BotSharp.Abstraction/MLTasks/Settings/LlmModelSetting.cs
@@ -62,6 +62,11 @@ public class LlmModelSetting
     /// </summary>
     public ImageSetting? Image { get; set; }
 
+    /// <summary>
+    /// Settings for audio
+    /// </summary>
+    public AudioSetting? Audio { get; set; }
+
     /// <summary>
     /// Settings for llm cost
     /// </summary>
@@ -128,6 +133,20 @@ public class ImageVariationSetting
 }
 #endregion
 
+#region Audio model settings
+public class AudioSetting
+{
+    public AudioTranscriptionSetting? Transcription { get; set; }
+}
+
+public class AudioTranscriptionSetting
+{
+    public float? Temperature { get; set; }
+    public ModelSettingBase? ResponseFormat { get; set; }
+    public ModelSettingBase? Granularity { get; set; }
+}
+#endregion
+
 public class ModelSettingBase
 {
     public string? Default { get; set; }
diff --git a/src/Plugins/BotSharp.Plugin.AudioHandler/Functions/HandleAudioRequestFn.cs b/src/Plugins/BotSharp.Plugin.AudioHandler/Functions/HandleAudioRequestFn.cs
deleted file mode 100644
index e6b2790b..00000000
--- a/src/Plugins/BotSharp.Plugin.AudioHandler/Functions/HandleAudioRequestFn.cs
+++ /dev/null
@@ -1,135 +0,0 @@
-using BotSharp.Abstraction.Routing;
-using BotSharp.Core.Infrastructures;
-using Microsoft.AspNetCore.StaticFiles;
-
-namespace BotSharp.Plugin.AudioHandler.Functions;
-
-public class HandleAudioRequestFn : IFunctionCallback
-{
-    public string Name => "util-audio-handle_audio_request";
-    public string Indication => "Handling audio request";
-
-    private readonly IServiceProvider _serviceProvider;
-    private readonly IFileStorageService _fileStorage;
-    private readonly ILogger<HandleAudioRequestFn> _logger;
-    private readonly BotSharpOptions _options;
-
-    private readonly IEnumerable<string> _audioContentTypes = new List<string>
-    {
-        AudioType.mp3.ToFileType(),
-        AudioType.wav.ToFileType(),
-    };
-
-    public HandleAudioRequestFn(
-        IFileStorageService fileStorage,
-        IServiceProvider serviceProvider,
-        ILogger<HandleAudioRequestFn> logger,
-        BotSharpOptions options)
-    {
-        _fileStorage = fileStorage;
-        _serviceProvider = serviceProvider;
-        _logger = logger;
-        _options = options;
-    }
-
-    public async Task<bool> Execute(RoleDialogModel message)
-    {
-        var args = JsonSerializer.Deserialize<LlmContextIn>(message.FunctionArgs, _options.JsonSerializerOptions);
-        var conv = _serviceProvider.GetRequiredService<IConversationService>();
-        var routingCtx = _serviceProvider.GetRequiredService<IRoutingContext>();
-
-        var wholeDialogs = routingCtx.GetDialogs();
-        if (wholeDialogs.IsNullOrEmpty())
-        {
-            wholeDialogs = conv.GetDialogHistory();
-        }
-
-        var dialogs = AssembleFiles(conv.ConversationId, wholeDialogs);
-        var response = await GetResponeFromDialogs(dialogs);
-        message.Content = response;
-        dialogs.ForEach(x => x.Files = null);
-        return true;
-    }
-
-    private List<RoleDialogModel> AssembleFiles(string convId, List<RoleDialogModel> dialogs)
-    {
-        if (dialogs.IsNullOrEmpty())
-        {
-            return new List<RoleDialogModel>();
-        }
-
-        var messageId = dialogs.Select(x => x.MessageId).Distinct().ToList();
-        var audioFiles = _fileStorage.GetMessageFiles(convId, messageId, options: new()
-        {
-            Sources = [FileSource.User],
-            ContentTypes = _audioContentTypes
-        });
-
-        audioFiles = audioFiles.Where(x => x.ContentType.Contains("audio")).ToList();
-
-        foreach (var dialog in dialogs)
-        {
-            var found = audioFiles.Where(x => x.MessageId == dialog.MessageId
-                                           && x.FileSource.IsEqualTo(FileSource.User)).ToList();
-
-            if (found.IsNullOrEmpty() || !dialog.IsFromUser)
-            {
-                continue;
-            }
-
-            dialog.Files = found.Select(x => new BotSharpFile
-            {
-                ContentType = x.ContentType,
-                FileUrl = x.FileUrl,
-                FileStorageUrl = x.FileStorageUrl
-            }).ToList();
-        }
-
-        return dialogs;
-    }
-
-    private async Task<string> GetResponeFromDialogs(List<RoleDialogModel> dialogs)
-    {
-        var audioCompletion = PrepareModel();
-        var dialog = dialogs.Where(x => !x.Files.IsNullOrEmpty()).Last();
-        var transcripts = new List<string>();
-
-        foreach (var file in dialog.Files)
-        {
-            if (file == null || string.IsNullOrWhiteSpace(file.FileStorageUrl)) continue;
-
-            var extension = Path.GetExtension(file.FileStorageUrl);
-
-            var fileName = Path.GetFileName(file.FileStorageUrl);
-            if (!ParseAudioFileType(fileName)) continue;
-
-            var binary = _fileStorage.GetFileBytes(file.FileStorageUrl);
-            using var stream = binary.ToStream();
-            stream.Position = 0;
-
-            var result = await audioCompletion.TranscriptTextAsync(stream, fileName);
-            transcripts.Add(result);
-            stream.Close();
-        }
-
-        if (transcripts.IsNullOrEmpty())
-        {
-            throw new FileNotFoundException($"No audio files found in the dialog. MessageId: {dialog.MessageId}");
-        }
-
-        return string.Join("\r\n\r\n", transcripts);
-    }
-
-    private IAudioTranscription PrepareModel()
-    {
-        return CompletionProvider.GetAudioTranscriber(_serviceProvider);
-    }
-
-    private bool ParseAudioFileType(string fileName)
-    {
-        var extension = Path.GetExtension(fileName).TrimStart('.').ToLower();
-        var provider = new FileExtensionContentTypeProvider();
-        bool canParse = Enum.TryParse<AudioType>(extension, out _) || provider.TryGetContentType(fileName, out _);
-        return canParse;
-    }
-}
diff --git a/src/Plugins/BotSharp.Plugin.AudioHandler/Functions/ReadAudioFn.cs b/src/Plugins/BotSharp.Plugin.AudioHandler/Functions/ReadAudioFn.cs
new file mode 100644
index 00000000..7306bb2a
--- /dev/null
+++ b/src/Plugins/BotSharp.Plugin.AudioHandler/Functions/ReadAudioFn.cs
@@ -0,0 +1,171 @@
+namespace BotSharp.Plugin.AudioHandler.Functions;
+
+public class ReadAudioFn : IFunctionCallback
+{
+    public string Name => "util-audio-handle_audio_request";
+    public string Indication => "Reading audio";
+
+    private readonly IServiceProvider _services;
+    private readonly IFileStorageService _fileStorage;
+    private readonly ILogger<ReadAudioFn> _logger;
+    private readonly BotSharpOptions _options;
+    private readonly AudioHandlerSettings _settings;
+
+    private readonly IEnumerable<string> _audioContentTypes = new List<string>
+    {
+        AudioType.mp3.ToFileType(),
+        AudioType.wav.ToFileType(),
+    };
+
+    public ReadAudioFn(
+        IServiceProvider services,
+        ILogger<ReadAudioFn> logger,
+        BotSharpOptions options,
+        AudioHandlerSettings settings,
+        IFileStorageService fileStorage)
+    {
+        _services = services;
+        _logger = logger;
+        _options = options;
+        _settings = settings;
+        _fileStorage = fileStorage;
+    }
+
+    public async Task<bool> Execute(RoleDialogModel message)
+    {
+        var args = JsonSerializer.Deserialize<LlmContextIn>(message.FunctionArgs, _options.JsonSerializerOptions);
+        var conv = _services.GetRequiredService<IConversationService>();
+        var routingCtx = _services.GetRequiredService<IRoutingContext>();
+
+        var wholeDialogs = routingCtx.GetDialogs();
+        if (wholeDialogs.IsNullOrEmpty())
+        {
+            wholeDialogs = conv.GetDialogHistory();
+        }
+
+        var dialogs = AssembleFiles(conv.ConversationId, wholeDialogs);
+        var response = await GetAudioTranscription(dialogs);
+        message.Content = response;
+        dialogs.ForEach(x => x.Files = null);
+        return true;
+    }
+
+    private List<RoleDialogModel> AssembleFiles(string convId, List<RoleDialogModel> dialogs)
+    {
+        if (dialogs.IsNullOrEmpty())
+        {
+            return new List<RoleDialogModel>();
+        }
+
+        var messageId = dialogs.Select(x => x.MessageId).Distinct().ToList();
+        var audioFiles = _fileStorage.GetMessageFiles(convId, messageId, options: new()
+        {
+            Sources = [FileSource.User],
+            ContentTypes = _audioContentTypes
+        });
+
+        foreach (var dialog in dialogs)
+        {
+            var found = audioFiles.Where(x => x.MessageId == dialog.MessageId
+                                           && x.FileSource.IsEqualTo(FileSource.User)).ToList();
+
+            if (found.IsNullOrEmpty() || !dialog.IsFromUser)
+            {
+                continue;
+            }
+
+            dialog.Files = found.Select(x => new BotSharpFile
+            {
+                ContentType = x.ContentType,
+                FileUrl = x.FileUrl,
+                FileStorageUrl = x.FileStorageUrl
+            }).ToList();
+        }
+
+        return dialogs;
+    }
+
+    private async Task<string> GetAudioTranscription(List<RoleDialogModel> dialogs)
+    {
+        var audioCompletion = PrepareModel();
+        var dialog = dialogs.Where(x => !x.Files.IsNullOrEmpty()).LastOrDefault();
+        var transcripts = new List<string>();
+
+        if (dialog != null)
+        {
+            foreach (var file in dialog.Files)
+            {
+                if (string.IsNullOrWhiteSpace(file?.FileStorageUrl))
+                {
+                    continue;
+                }
+
+                var extension = Path.GetExtension(file.FileStorageUrl);
+                var fileName = Path.GetFileName(file.FileStorageUrl);
+                if (!VerifyAudioFileType(fileName))
+                {
+                    continue;
+                }
+
+                var binary = _fileStorage.GetFileBytes(file.FileStorageUrl);
+                using var stream = binary.ToStream();
+                stream.Position = 0;
+
+                var result = await audioCompletion.TranscriptTextAsync(stream, fileName);
+                transcripts.Add(result);
+                stream.Close();
+                await Task.Delay(100);
+            }
+        }
+        
+
+        if (transcripts.IsNullOrEmpty())
+        {
+            var msg = "No audio is found in the chat.";
+            _logger.LogWarning(msg);
+            transcripts.Add(msg);
+        }
+
+        return string.Join("\r\n\r\n", transcripts);
+    }
+
+    private IAudioTranscription PrepareModel()
+    {
+        var (provider, model) = GetLlmProviderModel();
+        return CompletionProvider.GetAudioTranscriber(_services, provider: provider, model: model);
+    }
+
+    private bool VerifyAudioFileType(string fileName)
+    {
+        var extension = Path.GetExtension(fileName).TrimStart('.').ToLower();
+        return Enum.TryParse<AudioType>(extension, out _)
+                    || !string.IsNullOrEmpty(FileUtility.GetFileContentType(fileName));
+    }
+
+    private (string, string) GetLlmProviderModel()
+    {
+        var state = _services.GetRequiredService<IConversationStateService>();
+        var llmProviderService = _services.GetRequiredService<ILlmProviderService>();
+
+        var provider = state.GetState("audio_read_llm_provider");
+        var model = state.GetState("audio_read_llm_provider");
+
+        if (!string.IsNullOrEmpty(provider) && !string.IsNullOrEmpty(model))
+        {
+            return (provider, model);
+        }
+
+        provider = _settings?.Audio?.Reading?.LlmProvider;
+        model = _settings?.Audio?.Reading?.LlmModel;
+
+        if (!string.IsNullOrEmpty(provider) && !string.IsNullOrEmpty(model))
+        {
+            return (provider, model);
+        }
+
+        provider = "openai";
+        model = "gpt-4o-mini-transcribe";
+
+        return (provider, model);
+    }
+}
diff --git a/src/Plugins/BotSharp.Plugin.AudioHandler/Settings/AudioHandlerSettings.cs b/src/Plugins/BotSharp.Plugin.AudioHandler/Settings/AudioHandlerSettings.cs
index fedf123c..b6353b05 100644
--- a/src/Plugins/BotSharp.Plugin.AudioHandler/Settings/AudioHandlerSettings.cs
+++ b/src/Plugins/BotSharp.Plugin.AudioHandler/Settings/AudioHandlerSettings.cs
@@ -1,5 +1,19 @@
+using BotSharp.Abstraction.Models;
+
 namespace BotSharp.Plugin.AudioHandler.Settings;
 
 public class AudioHandlerSettings
 {
+    public AudioSettings? Audio { get; set; }
 }
+
+#region Audio
+public class AudioSettings
+{
+    public AudioReadSettings? Reading { get; set; }
+}
+
+public class AudioReadSettings : LlmBase
+{
+}
+#endregion
\ No newline at end of file
diff --git a/src/Plugins/BotSharp.Plugin.AudioHandler/Using.cs b/src/Plugins/BotSharp.Plugin.AudioHandler/Using.cs
index 1a1188fd..cfef62d4 100644
--- a/src/Plugins/BotSharp.Plugin.AudioHandler/Using.cs
+++ b/src/Plugins/BotSharp.Plugin.AudioHandler/Using.cs
@@ -14,11 +14,14 @@ global using BotSharp.Abstraction.Conversations.Models;
 global using BotSharp.Abstraction.Files;
 global using BotSharp.Abstraction.Files.Models;
 global using BotSharp.Abstraction.Files.Enums;
+global using BotSharp.Abstraction.Files.Utilities;
 global using BotSharp.Abstraction.Functions;
 global using BotSharp.Abstraction.MLTasks;
 global using BotSharp.Abstraction.Options;
 global using BotSharp.Abstraction.Plugins;
 global using BotSharp.Abstraction.Utilities;
+global using BotSharp.Abstraction.Routing;
+global using BotSharp.Core.Infrastructures;
 
 global using BotSharp.Plugin.AudioHandler.Enums;
 global using BotSharp.Plugin.AudioHandler.Helpers;
@@ -26,6 +29,7 @@ global using BotSharp.Plugin.AudioHandler.Hooks;
 global using BotSharp.Plugin.AudioHandler.Models;
 global using BotSharp.Plugin.AudioHandler.LlmContexts;
 global using BotSharp.Plugin.AudioHandler.Provider;
+global using BotSharp.Plugin.AudioHandler.Settings;
 
 global using Microsoft.Extensions.Configuration;
 global using Microsoft.Extensions.DependencyInjection;
diff --git a/src/Plugins/BotSharp.Plugin.FileHandler/Settings/FileHandlerSettings.cs b/src/Plugins/BotSharp.Plugin.FileHandler/Settings/FileHandlerSettings.cs
index 9eb4c9ac..0e11a9ee 100644
--- a/src/Plugins/BotSharp.Plugin.FileHandler/Settings/FileHandlerSettings.cs
+++ b/src/Plugins/BotSharp.Plugin.FileHandler/Settings/FileHandlerSettings.cs
@@ -14,7 +14,6 @@ public class ImageSettings
     public ImageReadSettings? Reading { get; set; }
     public ImageGenerationSettings? Generation { get; set; }
     public ImageEditSettings? Edit { get; set; }
-    public ImageVariationSettings? Variation { get; set; }
 }
 
 public class ImageReadSettings : LlmBase
@@ -31,11 +30,6 @@ public class ImageEditSettings : LlmBase
 {
     public SettingBase? ImageConverter { get; set; }
 }
-
-public class ImageVariationSettings : LlmBase
-{
-
-}
 #endregion
 
 #region Pdf
diff --git a/src/Plugins/BotSharp.Plugin.OpenAI/Providers/Audio/AudioTranscriptionProvider.cs b/src/Plugins/BotSharp.Plugin.OpenAI/Providers/Audio/AudioTranscriptionProvider.cs
index e90dd149..462d1fb6 100644
--- a/src/Plugins/BotSharp.Plugin.OpenAI/Providers/Audio/AudioTranscriptionProvider.cs
+++ b/src/Plugins/BotSharp.Plugin.OpenAI/Providers/Audio/AudioTranscriptionProvider.cs
@@ -33,25 +33,47 @@ public class AudioTranscriptionProvider : IAudioTranscription
 
     private AudioTranscriptionOptions PrepareTranscriptionOptions(string? text)
     {
+        var settingsService = _services.GetRequiredService<ILlmProviderService>();
         var state = _services.GetRequiredService<IConversationStateService>();
-        var format = GetTranscriptionResponseFormat(state.GetState("audio_response_format"));
-        var granularity = GetGranularity(state.GetState("audio_granularity"));
-        var temperature = GetTemperature(state.GetState("audio_temperature"));
+
+        var settings = settingsService.GetSetting(Provider, _model)?.Audio?.Transcription;
+
+        var temperature = state.GetState("audio_temperature");
+        var responseFormat = state.GetState("audio_response_format");
+        var granularity = state.GetState("audio_granularity");
+
+        if (string.IsNullOrEmpty(temperature) && settings?.Temperature != null)
+        {
+            temperature = $"{settings.Temperature}";
+        }
+        
+        responseFormat = settings?.ResponseFormat != null ? VerifyTranscriptionParameter(responseFormat, settings.ResponseFormat.Default, settings.ResponseFormat.Options) : null;
+        granularity = settings?.Granularity != null ? VerifyTranscriptionParameter(granularity, settings.Granularity.Default, settings.Granularity.Options) : null;
 
         var options = new AudioTranscriptionOptions
         {
-            ResponseFormat = format,
-            TimestampGranularities = granularity,
-            Temperature = temperature,
             Prompt = text
         };
 
+        if (!string.IsNullOrEmpty(temperature))
+        {
+            options.Temperature = GetTemperature(temperature);
+        }
+        if (!string.IsNullOrEmpty(responseFormat))
+        {
+            options.ResponseFormat = GetTranscriptionResponseFormat(responseFormat);
+        }
+        if (!string.IsNullOrEmpty(granularity))
+        {
+            options.TimestampGranularities = GetGranularity(granularity);
+        }
+
         return options;
     }
 
     private AudioTranscriptionFormat GetTranscriptionResponseFormat(string input)
     {
-        var value = !string.IsNullOrEmpty(input) ? input : "verbose";
+        var value = !string.IsNullOrEmpty(input) ? input : "json";
 
         AudioTranscriptionFormat format;
         switch (value)
@@ -109,4 +131,14 @@ public class AudioTranscriptionProvider : IAudioTranscription
 
         return temperature;
     }
+
+    private string? VerifyTranscriptionParameter(string? curVal, string? defaultVal, IEnumerable<string>? options = null)
+    {
+        if (options.IsNullOrEmpty())
+        {
+            return curVal.IfNullOrEmptyAs(defaultVal);
+        }
+
+        return options.Contains(curVal) ? curVal : defaultVal;
+    }
 }
diff --git a/src/WebStarter/WebStarter.csproj b/src/WebStarter/WebStarter.csproj
index 2610d4f1..6e017615 100644
--- a/src/WebStarter/WebStarter.csproj
+++ b/src/WebStarter/WebStarter.csproj
@@ -36,6 +36,7 @@
   <ItemGroup>
     <ProjectReference Include="..\..\tests\BotSharp.Plugin.PizzaBot\BotSharp.Plugin.PizzaBot.csproj" />
     <ProjectReference Include="..\BotSharp.ServiceDefaults\BotSharp.ServiceDefaults.csproj" />
+    <ProjectReference Include="..\Plugins\BotSharp.Plugin.ExcelHandler\BotSharp.Plugin.ExcelHandler.csproj" />
   </ItemGroup>
   
   <ItemGroup Condition="$(SolutionName)==BotSharp">
diff --git a/src/WebStarter/appsettings.json b/src/WebStarter/appsettings.json
index 0ce8ce31..91d65f02 100644
--- a/src/WebStarter/appsettings.json
+++ b/src/WebStarter/appsettings.json
@@ -461,10 +461,6 @@
         "ImageConverter": {
           "Provider": "file-handler"
         }
-      },
-      "Variation": {
-        "LlmProvider": "",
-        "LlmModel": ""
       }
     },
     "Pdf": {
@@ -480,6 +476,15 @@
     }
   },
 
+  "AudioHandler": {
+    "Audio": {
+      "Reading": {
+        "LlmProvider": "openai",
+        "LlmModel": "gpt-4o-mini-transcribe"
+      }
+    }
+  },
+
   "TencentCos": {
     "AppId": "",
     "SecretId": "",
@@ -591,6 +596,8 @@
       "BotSharp.Plugin.EmailHandler",
       "BotSharp.Plugin.AudioHandler",
       "BotSharp.Plugin.ChartHandler",
+      "BotSharp.Plugin.AudioHandler",
+      "BotSharp.Plugin.ExcelHandler",
       "BotSharp.Plugin.SqlDriver",
       "BotSharp.Plugin.TencentCos"
     ]