标签：报错排查 - TTY'Bloghttps://blog.balong.in/tags/bao-cuo-pai-chaTTY'BlogHalo v2.25.4zh-cnSun, 25 Oct 2026 20:13:05 GMT<![CDATA[WorkBuddy 对 DSH 下手了：400 报错（Illegal API invocation from an unapproved channel）的真相与解法]]>https://blog.balong.in/archives/workbuddy-unapproved-channel-400-fixWorkBuddy 突然对 DeepSeek Harness 加风控，所有人报 Illegal API invocation from an unapproved channel（code 11128）。文案说是渠道问题，其实跟渠道无关——真因是上游按关键词拦截 system prompt。本文给出零宽空格的无损解法、60 秒自证方法，以及已经排除的全部假设。]]>/archives/workbuddy-unapproved-channel-400-fix唐天仪Wed, 21 Oct 2026 06:18:07 GMT