[Bug] Claude responding in Japanese when prompted in Chinese

Open 💬 2 comments Opened May 31, 2026 by guoyupeng1978

Bug Description
Subject: Language Bug: Claude replying in Japanese to Chinese prompts Description: Hi Claude Team, I am experiencing a language-related issue with Claude. My input/prompt is entirely in Chinese, but Claude keeps replying to me in Japanese. This seems to be a system glitch or a language routing error, as I have not requested any translations or Japanese responses. Could you please look into this and help restore the correct language processing? Thank you for your assistance.

Environment Info

  • Platform: linux
  • Terminal: vte-based
  • Version: 2.1.158
  • Feedback ID: 05a54a02-700f-460c-8e76-6f5ebc3eca8d

Errors

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