# Claude变笨，Anthropic发报告认了：为优化3个Harness层bug，不小心改崩了

Canonical URL: https://www.traeai.com/articles/d64512b2-f271-43fb-bc0c-daad9af850b4
Original source: https://mp.weixin.qq.com/s?__biz=MzU1NDA4NjU2MA==&mid=2247661567&idx=1&sn=a01bb93a0704d1253154ed3754fc1948
Source name: AI前线
Content type: article
Language: 中文
Score: 5.0
Reading time: 1 分钟
Published: 2026-04-25T02:16:00+00:00
Tags: Anthropic, Claude, AI, 模型优化

## Summary

Anthropic承认因修复Harness层bug导致Claude性能下降，解释了问题原因及改进计划。

## Key Takeaways

- 修复代码bug可能引入性能回退
- Harness层优化对模型表现至关重要
- 透明报告问题有助于提升用户信任

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