diff --git a/.gitignore b/.gitignore
index f8ab18c..e49f677 100644
--- a/.gitignore
+++ b/.gitignore
@@ -70,4 +70,4 @@ htmlcov/
 # uv
 uv.lock
 
-model/*
+model/
diff --git a/app/api/v1/endpoints/convert.py b/app/api/v1/endpoints/convert.py
index 0ffa29a..256c085 100644
--- a/app/api/v1/endpoints/convert.py
+++ b/app/api/v1/endpoints/convert.py
@@ -34,4 +34,3 @@ async def convert_markdown_to_docx(
         media_type="application/vnd.openxmlformats-officedocument.wordprocessingml.document",
         headers={"Content-Disposition": f'attachment; filename="{filename}"'},
     )
-
diff --git a/app/core/config.py b/app/core/config.py
index 0a57ad1..af18a14 100644
--- a/app/core/config.py
+++ b/app/core/config.py
@@ -4,6 +4,7 @@ from functools import lru_cache
 from pathlib import Path
 
 from pydantic_settings import BaseSettings, SettingsConfigDict
+import torch
 
 
 class Settings(BaseSettings):
@@ -23,13 +24,15 @@ class Settings(BaseSettings):
     paddleocr_vl_url: str = "http://localhost:8080/v1"
 
     # Model Paths
-    doclayout_model_path: str = "app/model/DocLayout"
-    pp_doclayout_model_dir: str = "app/model/PP-DocLayout"
+    doclayout_model_path: str = "app/model/DocLayout/best.pt"
+    pp_doclayout_model_dir: str = "app/model/PP-DocLayout/PP-DocLayoutV2"
 
     # Image Processing
     max_image_size_mb: int = 10
     image_padding_ratio: float = 0.15  # 15% on each side = 30% total expansion
 
+    device: torch.device = torch.device("cuda:0" if torch.cuda.is_available() else "cpu")  # cuda:0 or cpu
+
     # Server Settings
     host: str = "0.0.0.0"
     port: int = 8053
@@ -49,4 +52,3 @@ class Settings(BaseSettings):
 def get_settings() -> Settings:
     """Get cached settings instance."""
     return Settings()
-
diff --git a/app/services/image_processor.py b/app/services/image_processor.py
index e9c0e26..34a6419 100644
--- a/app/services/image_processor.py
+++ b/app/services/image_processor.py
@@ -136,4 +136,3 @@ class ImageProcessor:
         buffer.seek(0)
 
         return base64.b64encode(buffer.getvalue()).decode("utf-8")
-
diff --git a/app/services/layout_detector.py b/app/services/layout_detector.py
index 03bb020..b7ed407 100644
--- a/app/services/layout_detector.py
+++ b/app/services/layout_detector.py
@@ -3,6 +3,9 @@
 import numpy as np
 
 from app.schemas.image import LayoutInfo, LayoutRegion
+from app.core.config import get_settings
+
+settings = get_settings()
 
 
 class LayoutDetector:
@@ -73,7 +76,7 @@ class LayoutDetector:
             image,
             imgsz=image_size,
             conf=self.confidence_threshold,
-            device="cuda:0",
+            device=settings.device,
         )
 
         regions: list[LayoutRegion] = []