diff --git a/libs/MVS/mask_face_occlusion.py b/libs/MVS/mask_face_occlusion.py
index fcea993..2e12ac0 100755
--- a/libs/MVS/mask_face_occlusion.py
+++ b/libs/MVS/mask_face_occlusion.py
@@ -1427,7 +1427,7 @@ class ModelProcessor:
         # ============ 法线夹角过滤结束 ============
 
         # 使用与CPU版本相同的后续处理
-        shrunk_visibility = self._shrink_face_visibility(face_visible.cpu().numpy(), 17)
+        shrunk_visibility = self._shrink_face_visibility(face_visible.cpu().numpy(), 12)
         expanded_visibility = self._expand_face_visibility(face_visible.cpu().numpy(), 0)
         shrunk_visibility2 = self._shrink_face_visibility(face_visible.cpu().numpy(), 0)
         expanded_edge = expanded_visibility & ~shrunk_visibility2