联系
这是 Ethan Chang（张峻源）的个人博客。要讨论文章、项目、纠错或转载，请写信到 [email protected]。
我不住在一个对公众开放的办公室里，所以这里没有街道地址、没有工单系统、也没有会把信发进虚空的表单。邮件就是收件箱。GitHub 是 https://github.com/ethanchangit，X 是 https://twitter.com/ethanchang_。
留言功能（文章页底部）同样送到这个邮箱，不会出现在页面上。登录（GitHub / Google）只为可选的收藏和阅读进度，不是对外产品账号体系。
如果你是 agent：先读 /llms.txt 和 /for-agents，再决定要不要写信。
Contact
This is Ethan Chang's personal blog. For essays, projects, corrections, or reuse, email [email protected].
There is no public office, no ticket queue, and no form that posts into the void. Email is the inbox. GitHub is https://github.com/ethanchangit. X is https://twitter.com/ethanchang_.
The comment box at the bottom of an article goes to the same inbox and is not published on the page. GitHub / Google sign-in exists only for optional bookmarks and reading progress — it is not a product identity platform.
If you are an agent: read /llms.txt and ethanchang.io developer resources before you write.