diff --git a/py/routes/recipe_routes.py b/py/routes/recipe_routes.py
index 796df6a1..bffc208e 100644
--- a/py/routes/recipe_routes.py
+++ b/py/routes/recipe_routes.py
@@ -9,6 +9,7 @@ import asyncio
 from ..utils.exif_utils import ExifUtils
 from ..utils.recipe_parsers import RecipeParserFactory
 from ..services.civitai_client import CivitaiClient
+from ..utils.constants import CARD_PREVIEW_WIDTH
 
 from ..services.recipe_scanner import RecipeScanner
 from ..services.lora_scanner import LoraScanner
@@ -424,7 +425,7 @@ class RecipeRoutes:
             # Optimize the image (resize and convert to WebP)
             optimized_image, extension = ExifUtils.optimize_image(
                 image_data=image,
-                target_width=480,
+                target_width=CARD_PREVIEW_WIDTH,
                 format='webp',
                 quality=85,
                 preserve_metadata=True
@@ -828,7 +829,7 @@ class RecipeRoutes:
             # Optimize the image (resize and convert to WebP)
             optimized_image, extension = ExifUtils.optimize_image(
                 image_data=image,
-                target_width=480,
+                target_width=CARD_PREVIEW_WIDTH,
                 format='webp',
                 quality=85,
                 preserve_metadata=True
diff --git a/py/utils/constants.py b/py/utils/constants.py
index ac4e68e3..0521c5d9 100644
--- a/py/utils/constants.py
+++ b/py/utils/constants.py
@@ -7,16 +7,19 @@ NSFW_LEVELS = {
     "Blocked": 32, # Probably not actually visible through the API without being logged in on model owner account?
 }
 
-# 预览文件扩展名
+# preview extensions
 PREVIEW_EXTENSIONS = [
+    '.webp',
+    '.preview.webp',
     '.preview.png', 
     '.preview.jpeg', 
     '.preview.jpg', 
-    '.preview.webp',
     '.preview.mp4',
     '.png', 
     '.jpeg', 
     '.jpg', 
-    '.webp',
     '.mp4'
-]
\ No newline at end of file
+]
+
+# Card preview image width
+CARD_PREVIEW_WIDTH = 480
\ No newline at end of file