---
title: "#concurrency — Blog"
description: "Posts tagged \"concurrency\"."
image: "https://zengliangyi.com/og/blog/tag/concurrency.png"
---

Tag

# #concurrency

1 post tagged "concurrency".

[All posts](/en/blog)

- [#concurrency](/en/blog/tag/concurrency)

- [#ChatCrystal](/en/blog/tag/chatcrystal)

- [#Node.js](/en/blog/tag/node-js)

- [#TypeScript](/en/blog/tag/typescript)

- [#SQLite](/en/blog/tag/sqlite)

- [#AI](/en/blog/tag/ai)

- [#Data parsing](/en/blog/tag/data-parsing)

- [#Knowledge management](/en/blog/tag/knowledge-management)

- [#MCP](/en/blog/tag/mcp)

- [#Claude Code](/en/blog/tag/claude-code)

[##  Token Refresh Races Under Concurrent 401 Responses

How to collapse concurrent 401 responses into one token refresh, retry queued requests safely, and settle every waiting Promise when refresh fails.          曾亮懿       March 16, 2026      4 min read

#TypeScript

#authentication

#concurrency](/en/blog/token-refresh-race-condition)

##  From writing to code

Explore ChatCrystal, developer tools and daily learning notes on my GitHub. Questions about the implementation are welcome.

[Visit my GitHub](https://github.com/ZengLiangYi)

```json
{
  "@context": "https://schema.org",
  "@type": "WebSite",
  "name": "ZengLiangYi Blog",
  "alternateName": [
    "Zeng Liangyi",
    "ZengLiangYi",
    "zengliangyi.com"
  ],
  "url": "https://zengliangyi.com",
  "description": "曾亮懿的个人网站。记录 AI Native 探索、开发者工具与全栈产品实践。"
}
```