diff --git a/backend-python/wkv_cuda_utils/wkv_cuda40.pyd b/backend-python/wkv_cuda_utils/wkv_cuda40.pyd
index efd7f74..ac63e59 100644
Binary files a/backend-python/wkv_cuda_utils/wkv_cuda40.pyd and b/backend-python/wkv_cuda_utils/wkv_cuda40.pyd differ