Self Checks
Dify version
1.14.2
Cloud or Self Hosted
Self Hosted (Docker)
Steps to reproduce
When creating a knowledge base with parent-child segmentation, after clicking the preview button, it displays 0 chunks.

✔️ Expected Behavior
It should display the chunks correctly.
❌ Actual Behavior
When creating a knowledge base with parent-child segmentation, after clicking the preview button, it displays 0 chunks.

Self Checks
Dify version
1.14.2
Cloud or Self Hosted
Self Hosted (Docker)
Steps to reproduce
When creating a knowledge base with parent-child segmentation, after clicking the preview button, it displays 0 chunks.

✔️ Expected Behavior
It should display the chunks correctly.
❌ Actual Behavior
When creating a knowledge base with parent-child segmentation, after clicking the preview button, it displays 0 chunks.