fix custom file type err :Received err: File validation failed for file

[Tory31]

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Dify version

0.14.0

Cloud or Self Hosted

Cloud, Self Hosted (Source)

Steps to reproduce

1. Click on the file upload settings on the page to customize other file types
2. Enter .zip .txt and save
3. Uploading txt files and question

✔️ Expected Behavior

Normal recognition and processing

❌ Actual Behavior

Received err: File validation failed for file

[Tory31]

new pull request: https://github.com/langgenius/dify/pull/12429

[dosubot[bot]]

Hi, @Tory31. I'm Dosu, and I'm helping the Dify team manage their backlog. I'm marking this issue as stale.

Issue Summary

• A bug was reported in Dify version 0.14.0 regarding file validation errors for .txt files.
• The issue occurs when customizing file types to include .zip and .txt.
• You submitted a pull request #12429 to resolve this issue.

Next Steps

• Please confirm if this issue is still relevant to the latest version of the Dify repository. If so, you can keep the discussion open by commenting on this issue.
• Otherwise, this issue will be automatically closed in 15 days.

Thank you for your understanding and contribution!