UnstructuredWordDocumentLoader exception： File is not a zip file

[chetaofeng]

run：
try:
from langchain_community.document_loaders import UnstructuredWordDocumentLoader
loader = UnstructuredWordDocumentLoader("a.docx")
documents = loader.load()
return documents
except Exception as e:
print(f"加载文档时出错: {e}")
return []

console：
\langchain-demo\demo08.py
加载文档时出错: File is not a zip file
未能加载任何文档