diff --git a/bridge.py b/bridge.py
index 5a0fe70..1f589e0 100644
--- a/bridge.py
+++ b/bridge.py
@@ -161,6 +161,7 @@ class LightX2VDefaultConfig:
         "return_video": True,
         "talk_objects": None,
         "boundary_step_index": 2,
+        "rope_type": "torch",
     }
 
 
diff --git a/lightx2v b/lightx2v
index cf0332c..b85f25c 160000
--- a/lightx2v
+++ b/lightx2v
@@ -1 +1 @@
-Subproject commit cf0332ca8334191e37258cf0f859681f82282006
+Subproject commit b85f25c76057aa21458cadd872ff98c29b7abf13