你好，我是张堃 Hey, I'm Kun Zhang

软件工程师，喜欢折腾 Web、研究系统设计，博客写点日常遇到的问题。

Software engineer & creative thinker. Writing about web development, design patterns, and technical problems I met .

⌘K
2026 Jun 17
用 Remnawave 统一管理 6 台 VPS 节点 Managing My 6 VPS Nodes with Remnawave
从共用 UUID 到每人独立订阅和流量统计 From one shared UUID for everyone to separate subscriptions and traffic stats per user, and all the problems I ran into along the way.
运维工具自建 opstoolsself-hosted
→ 2026 Jun 16
B 站海外加速：劫持 playurl 换 CDN 节点(二) Bilibili CDN Speedup Part 2: The Timing Race and Why DNR Actually Fixed It
脚本注入和 B 站内联数据之间的时序竞速，以及网络层如何彻底绕开它。 Why the script injection kept losing to Bilibili's inline data, and how the network layer solved it without relying on timing at all.
插件前端JS extensionfrontendJS
→ 2026 Jun 15
B 站海外加速：劫持 playurl 换 CDN 节点(一) Speeding Up Bilibili Overseas: Hijacking playurl to Swap CDN Nodes
在网页端把 B 站分配给你的慢节点换掉。 No IP changes, no VPN. Just swap out the slow CDN node Bilibili assigned you, right in the browser.
插件前端JS extensionfrontendJS
→ 2026 Apr 5
项目迁移记录 Migration Notes: From Vercel to GitHub + Cloudflare
更新博客页面 Reorganizing my project infrastructure
前端工具 frontendtools
→ 2026 Apr 5
用 Astro 重建我的博客 Rebuilding My Blog with Astro
从 Nextra 迁移到 Astro 的过程，为什么我选择了静态优先的方案。 Moving from Nextra to Astro — why I chose a static-first approach.
前端工具 frontendtools
→ 2026 Feb 20
b站视频转音频 Bilibili Video to Audio Downloader
cli下载工具 A CLI tool to extract and download audio from Bilibili videos
前端工具命令行npm frontendtoolsclinpm
→ 2025 Aug 25
网易云海外解锁插件 Manifest V3 版 NetEase Music Overseas Unlocker — Manifest V3
原版 V2 插件不能用了，改了个 V3 的 The original V2 extension stopped working, so I ported it to V3
插件前端JS extensionfrontendJS
→ 2023 Apr 10
Youtube-Preview-card Youtube Preview Card
Youtube preview card, when you hover the youtube video card, it will show like count and comment count A Chrome extension that shows like and comment counts when hovering over YouTube video cards
web developmentproject
→ 2023 Feb 20
GoogleClone-page GoogleClone-page
googleClone-page includes search function and fetching data googleClone-page includes search function and fetching data
web developmentproject
→ 2023 Feb 19
SignupEvent-page SignupEvent-page
SignupEvent-page includes register function and fetching data SignupEvent-page includes register function and fetching data
web development
→ 2022 Jan 1
Future prospect of FrontEnd Future Prospects of Front-End Development
Some ideas on future prospect of FrontEnd Some ideas on the future of front-end development
web development
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