[BUG] <title>纯图片型的PDF文件解析会出现数组下标越界的问题

[zhq734]

是否已有关于该错误的issue或讨论？ | Is there an existing issue / discussion for this?

• [X] 我已经搜索过已有的issues和讨论 | I have searched the existing issues / discussions

该问题是否在FAQ中有解答？ | Is there an existing answer for this in FAQ?

• [X] 我已经搜索过FAQ | I have searched FAQ

当前行为 | Current Behavior

上传一个由扫描上来的纯图片型的pdf文件，会一直处于解析中，后端报数组下标越界，具体原因可能是无法解析出文档，不知道是什么原因导致无法解析出文档内容，造成数组下标越界

期望行为 | Expected Behavior

能正常解析文档

运行环境 | Environment

- OS: CentOS Linux release 7.9.2009
- NVIDIA Driver:
- CUDA:
- docker:
- docker-compose:
- NVIDIA GPU:
- NVIDIA GPU Memory:

QAnything日志 | QAnything logs

2024-07-29 22:44:00,578 insert_files_to_faiss: KB292157495c50455ba10b30c66e9c25d4 100%|█████████████████████████████████████████████████████████████████████████████████████████████████████| 1/1 [00:00<00:00, 1056.23it/s] docs number: 0 2024-07-29 22:44:00,590 before 2nd split doc lens: 0 2024-07-29 22:44:00,590 after 2nd split doc lens: 0 2024-07-29 22:44:00,590 langchain analysis docs is empty! 2024-07-29 22:44:00,591 函数 split_file_to_docs 执行耗时: 0.012501716613769531 秒 2024-07-29 22:44:00,595 split time: 0.012667655944824219 0 ERROR:asyncio:Task exception was never retrieved future: <Task finished name='Task-6' coro=<LocalDocQA.insert_files_to_faiss() done, defined at /opt/soft/QAnything/qanything_kernel/core/local_doc_qa.py:81> exception=IndexError('list index out of range')> Traceback (most recent call last): File "/opt/soft/QAnything/qanything_kernel/core/local_doc_qa.py", line 104, in insert_files_to_faiss add_ids = await self.faiss_client.add_document(local_file.docs) File "/opt/soft/QAnything/qanything_kernel/connector/database/faiss/faiss_client.py", line 113, in add_document kb_id = docs[0].metadata['kb_id'] IndexError: list index out of range

复现方法 | Steps To Reproduce

上传一个由扫描上来的纯图片型的pdf文件，会一直处于解析中，后端报数组下标越界，具体原因可能是无法解析出文档，不知道是什么原因导致无法解析出文档内容，造成数组下标越界

备注 | Anything else?

No response

[sushushimoonif]

+1 有些图片png上传知识库，也会出现这个问题