I did put a note at the end. The original post in Chinese was handwritten https://blog.est.im/2026/stderr-03 https://blog.est.im/2026/stderr-03 the English t

I did put a note at the end. The original post in Chinese was handwritten https://blog.est.im/2026/stderr-03 https://blog.est.im/2026/stderr-03 the English translation was compiled by gemini3.