[Bug Report] 官网 demo 404

[fanerge]

• I have searched the issues of this repository and believe that this is not a duplicate.

Reproduction link

Steps to reproduce

https://formilyjs.org/guide/scenes/tab-form
官网demo 404

What is expected?

Restore normal access

What is actually happening?

404 miss

Package

@formily/core@2.3.7

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