gradio推理时报错

[Hongxiii]

启动demo.py时，直接用测试用例推理，会显示报错如下，ref_img获取不到是什么原因
Traceback (most recent call last):
File "/picassox/intelligent-cpfs/segmentation/intern_segmentation/lhx5/miniforge3/envs/anytext2/lib/python3.10/site-packages/gradio/queueing.py", line 759, in process_events
response = await route_utils.call_process_api(
File "/picassox/intelligent-cpfs/segmentation/intern_segmentation/lhx5/miniforge3/envs/anytext2/lib/python3.10/site-packages/gradio/route_utils.py", line 354, in call_process_api
output = await app.get_blocks().process_api(
File "/picassox/intelligent-cpfs/segmentation/intern_segmentation/lhx5/miniforge3/envs/anytext2/lib/python3.10/site-packages/gradio/blocks.py", line 2116, in process_api
result = await self.call_function(
File "/picassox/intelligent-cpfs/segmentation/intern_segmentation/lhx5/miniforge3/envs/anytext2/lib/python3.10/site-packages/gradio/blocks.py", line 1623, in call_function
prediction = await anyio.to_thread.run_sync( # type: ignore
File "/picassox/intelligent-cpfs/segmentation/intern_segmentation/lhx5/miniforge3/envs/anytext2/lib/python3.10/site-packages/anyio/to_thread.py", line 56, in run_sync
return await get_async_backend().run_sync_in_worker_thread(
File "/picassox/intelligent-cpfs/segmentation/intern_segmentation/lhx5/miniforge3/envs/anytext2/lib/python3.10/site-packages/anyio/_backends/_asyncio.py", line 2485, in run_sync_in_worker_thread
return await future
File "/picassox/intelligent-cpfs/segmentation/intern_segmentation/lhx5/miniforge3/envs/anytext2/lib/python3.10/site-packages/anyio/_backends/_asyncio.py", line 976, in run
result = context.run(func, *args)
File "/picassox/intelligent-cpfs/segmentation/intern_segmentation/lhx5/miniforge3/envs/anytext2/lib/python3.10/site-packages/gradio/utils.py", line 915, in wrapper
response = f(*args, **kwargs)
File "/picassox/intelligent-cpfs/segmentation/intern_segmentation/lhx5/Codes/AnyText2/demo.py", line 143, in process
if isinstance(ref_img, dict) and 'layers' in ref_img and ref_img['layers'][0][..., 3:].mean() > 0:
IndexError: list index out of range