update document

[xinzhu-L]

Summary

Fixes #(issue number)

Type of Change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Documentation update
• Code refactoring (no functional changes)
• Performance improvement
• Test coverage improvement
• Other (please describe):

Description

What does this PR do?

Why is this change needed?

How does it work?

Changes Made

Testing

How has this been tested?

# Example test code or commands used

Test environment:

• Python version:
• BrainPy version:
• JAX version:
• OS:

Test coverage:

• Added new tests for this change
• All existing tests pass
• Manual testing performed

Performance Impact

• No performance impact
• Performance improved (provide benchmarks)
• Performance may be affected (explain why and how much)

Documentation

• Docstrings added/updated
• Documentation updated (if needed)
• Examples added/updated (if applicable)
• CHANGELOG entry added (for notable changes)

Screenshots (if applicable)

Breaking Changes

Breaking change details:

Migration guide:

# Before (old way)

# After (new way)

Checklist

• My code follows the project's style guidelines
• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published
• I have checked for duplicate PRs/issues
• I have read and followed the CONTRIBUTING guidelines

Additional Notes

Related Issues/PRs

• Related to #
• Depends on #
• Blocks #

[sourcery-ai]

Sorry @xinzhu-L, your pull request is larger than the review limit of 150000 diff characters

[github-actions]

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