diff --git a/app/service/design/items/pipelines/segmentation.py b/app/service/design/items/pipelines/segmentation.py
index 2937df6..e7f09ed 100644
--- a/app/service/design/items/pipelines/segmentation.py
+++ b/app/service/design/items/pipelines/segmentation.py
@@ -19,22 +19,17 @@ class Segmentation(object):
     def __call__(self, result):
         if "seg_mask_url" in result.keys() and result['seg_mask_url'] != "":
             seg_mask = oss_get_image(bucket=result['seg_mask_url'].split('/')[0], object_name=result['seg_mask_url'][result['seg_mask_url'].find('/') + 1:], data_type="cv2")
-            seg_mask = cv2.resize(seg_mask, (result['img_shape'][1], result['img_shape'][0]))
+            seg_mask = cv2.resize(seg_mask, (result['img_shape'][1], result['img_shape'][0]), interpolation=cv2.INTER_NEAREST)
             # 转换颜色空间为 RGB（OpenCV 默认是 BGR）
             image_rgb = cv2.cvtColor(seg_mask, cv2.COLOR_BGR2RGB)
 
-            # 定义红色和绿色的颜色范围
-            # 红色范围: 下界 [R-10, G-10, B-10], 上界 [R+10, G+10, B+10]
-            red_lower = np.array([50, 0, 0], dtype=np.uint8)
-            red_upper = np.array([255, 50, 50], dtype=np.uint8)
-
-            # 绿色范围: 下界 [R-10, G-10, B-10], 上界 [R+10, G+10, B+10]
-            green_lower = np.array([0, 50, 0], dtype=np.uint8)
-            green_upper = np.array([50, 255, 50], dtype=np.uint8)
+            r, g, b = cv2.split(image_rgb)
+            red_mask = r > g
+            green_mask = g > r
 
             # 创建红色和绿色掩码
-            result['front_mask'] = cv2.inRange(image_rgb, red_lower, red_upper)
-            result['back_mask'] = cv2.inRange(image_rgb, green_lower, green_upper)
+            result['front_mask'] = np.array(red_mask, dtype=np.uint8) * 255
+            result['back_mask'] = np.array(green_mask, dtype=np.uint8) * 255
             result['mask'] = result['front_mask'] + result['back_mask']
         else:
             # 本地查询seg 缓存是否存在
diff --git a/app/service/design/items/pipelines/split.py b/app/service/design/items/pipelines/split.py
index 5fb568e..3485453 100644
--- a/app/service/design/items/pipelines/split.py
+++ b/app/service/design/items/pipelines/split.py
@@ -55,7 +55,7 @@ class Split(object):
                     mask_pil.save(image_data, format='PNG')
                     image_data.seek(0)
                     image_bytes = image_data.read()
-                    req = oss_upload_image(bucket=AIDA_CLOTHING, object_name=f"mask/mask_{generate_uuid()}.jpg", image_bytes=image_bytes)
+                    req = oss_upload_image(bucket=AIDA_CLOTHING, object_name=f"mask/mask_{generate_uuid()}.png", image_bytes=image_bytes)
                     result['mask_url'] = req.bucket_name + "/" + req.object_name
                 else:
                     rbga_mask = rgb_to_rgba(mask_image, front_mask)
@@ -64,7 +64,7 @@ class Split(object):
                     mask_pil.save(image_data, format='PNG')
                     image_data.seek(0)
                     image_bytes = image_data.read()
-                    req = oss_upload_image(bucket=AIDA_CLOTHING, object_name=f"mask/mask_{generate_uuid()}.jpg", image_bytes=image_bytes)
+                    req = oss_upload_image(bucket=AIDA_CLOTHING, object_name=f"mask/mask_{generate_uuid()}.png", image_bytes=image_bytes)
                     result['mask_url'] = req.bucket_name + "/" + req.object_name
                     result['back_image'] = None
                     result["back_image_url"] = None