[WIP] Verify accuracy of Buff system documentation

[Copilot]

Thanks for assigning this issue to me. I'm starting to work on it and will keep this PR's description up to date as I form a plan and make progress.

Original prompt

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This section details on the original issue you should resolve

<issue_title>需要核查Buff系统文档的正确性</issue_title>
<issue_description></issue_description>

<agent_instructions>核查Buff系统三个文档的正确性和当前代码的一致性</agent_instructions>

Comments on the Issue (you are @copilot in this section)

• Fixes 需要核查Buff系统文档的正确性 #10

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