After using seekdb, the knowledge base recall test using full-text search shows no results. What's the reason?

[yolin]

Full-text search results:

Using hybrid search, the search results are incorrect.

[yolin]

It was found that the .env setting was not enabled:

OCEANBASE_ENABLE_HYBRID_SEARCH=false

After enabling it:

OCEANBASE_ENABLE_HYBRID_SEARCH=true

After restarting the server, full-text search reported an error:

What is happening here?