diff --git a/app/service/design_fast/pipeline/color.py b/app/service/design_fast/pipeline/color.py
index 32e550b..99ba8eb 100644
--- a/app/service/design_fast/pipeline/color.py
+++ b/app/service/design_fast/pipeline/color.py
@@ -48,7 +48,7 @@ class Color:
             resize_pattern[mask_3ch] = png_rgb[mask_3ch]
             resize_pattern = cv2.resize(resize_pattern, (dim_image_w, dim_image_h), interpolation=cv2.INTER_AREA)
         closed_mo = np.expand_dims(result['mask'], axis=2).repeat(3, axis=2)
-        gray_mo = np.expand_dims(result['gray'], axis=2).repeat(3, axis=2)
+        gray_mo = np.expand_dims(cv2.cvtColor(result['image'], cv2.COLOR_BGR2GRAY), axis=2).repeat(3, axis=2)
         get_image_fir = resize_pattern * (closed_mo / 255) * (gray_mo / 255)
         result['pattern_image'] = get_image_fir.astype(np.uint8)
         result['final_image'] = result['pattern_image']