diff --git a/app/service/design/items/pipelines/painting.py b/app/service/design/items/pipelines/painting.py
index 1bbcb51..a738455 100644
--- a/app/service/design/items/pipelines/painting.py
+++ b/app/service/design/items/pipelines/painting.py
@@ -58,6 +58,8 @@ class Painting(object):
         # 使用OpenCV解码图像数组
         # image = cv2.imdecode(image_array, cv2.IMREAD_COLOR)
         image = oss_get_image(bucket=bucket_name, object_name=object_name, data_type="cv2")
+        if image.shape[2] == 4:
+            image = cv2.cvtColor(image, cv2.COLOR_BGRA2BGR)
         return image
 
     @staticmethod