diff --git a/app/service/clothing_seg/service.py b/app/service/clothing_seg/service.py
index 6d2b4d0..34ea7ee 100644
--- a/app/service/clothing_seg/service.py
+++ b/app/service/clothing_seg/service.py
@@ -63,7 +63,7 @@ class ClothingSeg:
             clothing_result = []
             if image_type == "sketch":
                 if len(image.shape) == 2:
-                    image = np.stack([image] * 3, axis=-1)
+                    image = cv2.cvtColor(image, cv2.COLOR_GRAY2RGB)
                     seg_mask = get_seg_result(1, image[:, :, :3])
                 else:
                     seg_mask = get_seg_result(1, image[:, :, :3])
@@ -150,8 +150,8 @@ if __name__ == "__main__":
             #     "image_type": "sketch"
             # },
             {
-                "image_url": "test/clothing_seg/10144613.jpg",
-                "image_type": "product"
+                "image_url": "aida-collection-element/87/Sketchboard/ab40e035-547a-48c5-9f97-1db7bf56ad77.jpg",
+                "image_type": "sketch"
             }
         ]
     )