When building a knowledge base in an intranet environment, and segmenting documents, clicking on "Preview Block" prompts to download gpt2.

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Dify version

1.0.1

Cloud or Self Hosted

Self Hosted (Docker)

Steps to reproduce

It could run normally in version 0.x, but in version 1.x, it prompts to download gpt2.

✔️ Expected Behavior

It should build the knowledge base normally, just like in the 0.x version.

❌ Actual Behavior

prompts to download gpt2.