diff --git a/src/Infrastructure/BotSharp.Abstraction/Knowledges/Settings/KnowledgeBaseSettings.cs b/src/Infrastructure/BotSharp.Abstraction/Knowledges/Settings/KnowledgeBaseSettings.cs
index 0c3f8d45..ac3f0500 100644
--- a/src/Infrastructure/BotSharp.Abstraction/Knowledges/Settings/KnowledgeBaseSettings.cs
+++ b/src/Infrastructure/BotSharp.Abstraction/Knowledges/Settings/KnowledgeBaseSettings.cs
@@ -4,7 +4,6 @@ public class KnowledgeBaseSettings
 {
     public string VectorDb { get; set; }
     public KnowledgeModelSetting TextEmbedding { get; set; }
-    public string Pdf2TextConverter { get; set; }
 }
 
 public class KnowledgeModelSetting
diff --git a/src/Infrastructure/BotSharp.OpenAPI/Controllers/KnowledgeBaseController.cs b/src/Infrastructure/BotSharp.OpenAPI/Controllers/KnowledgeBaseController.cs
index 7f6a06de..5f73adb9 100644
--- a/src/Infrastructure/BotSharp.OpenAPI/Controllers/KnowledgeBaseController.cs
+++ b/src/Infrastructure/BotSharp.OpenAPI/Controllers/KnowledgeBaseController.cs
@@ -59,7 +59,7 @@ public class KnowledgeBaseController : ControllerBase
     [HttpPost("/knowledge/upload")]
     public async Task<IActionResult> UploadKnowledge(IFormFile file, [FromQuery] string? collection, [FromQuery] int? startPageNum, [FromQuery] int? endPageNum)
     {
-        var setttings = _services.GetRequiredService<KnowledgeBaseSettings>();
+        var setttings = _services.GetRequiredService<FileCoreSettings>();
         var textConverter = _services.GetServices<IPdf2TextConverter>().FirstOrDefault(x => x.Name == setttings.Pdf2TextConverter);
 
         var filePath = Path.GetTempFileName();