RAGFlow as an external knowledge base

[xxmui]

Self Checks

• [x] I have searched for existing issues search for existing issues, including closed ones.
• [x] I confirm that I am using English to submit this report (我已阅读并同意 Language Policy).
• [x] [FOR CHINESE USERS] 请务必使用英文提交 Issue，否则会被关闭。谢谢！:)
• [x] Please do not modify this template :) and fill in all the required fields.

1. Is this request related to a challenge you're experiencing? Tell me about your story.

When using RAGFlow as an external knowledge base, the maximum recall quantity for Dify is 10. Can this upper limit be increased.

2. Additional context or comments

No response

3. Can you help us with this feature?

• [ ] I am interested in contributing to this feature.

[xxmui]

Hello everyone, I'm trying to use RAGFlow as an external knowledge base for a RAG retrieval task. I'm using Dify 1.1.3 and 0.15.3, RAGFlow version v0.17.2 slim. When using RAGFlow as an external knowledge base, the maximum recall quantity for Dify is 10. Can this upper limit be increased.

[junjiem]

The maximum number of top-k value for RAG. TOP_K_MAX_VALUE=10