diff --git a/README.md b/README.md
index f988343..eb99813 100644
--- a/README.md
+++ b/README.md
@@ -91,7 +91,10 @@ JS 数据类型分为两大类及八种数据类型，注意别漏了 ES6 新增
   - [ ] [事件循环](https://developer.mozilla.org/zh-CN/docs/Web/JavaScript/EventLoop)
 - [ ] 推荐文章
   - [ ] [这一次，彻底弄懂 JavaScript 执行机制](https://juejin.cn/post/6844903512845860872)
-  - [ ] [JavaScript中的Event Loop（事件循环）机制](https://segmentfault.com/a/1190000022805523)
+  - [ ] [一次弄懂Event Loop](https://juejin.cn/post/6844903764202094606)
+  - [ ] [JavaScript 的工作原理](https://blog.sessionstack.com/how-javascript-works-event-loop-and-the-rise-of-async-programming-5-ways-to-better-coding-with-2f077c4438b5)
+- [ ] 相关工具
+  - [ ] [Loupe](http://latentflip.com/loupe/?code=JC5vbignYnV0dG9uJywgJ2NsaWNrJywgZnVuY3Rpb24gb25DbGljaygpIHsKICAgIHNldFRpbWVvdXQoZnVuY3Rpb24gdGltZXIoKSB7CiAgICAgICAgY29uc29sZS5sb2coJ1lvdSBjbGlja2VkIHRoZSBidXR0b24hJyk7ICAgIAogICAgfSwgMjAwMCk7Cn0pOwoKY29uc29sZS5sb2coIkhpISIpOwoKc2V0VGltZW91dChmdW5jdGlvbiB0aW1lb3V0KCkgewogICAgY29uc29sZS5sb2coIkNsaWNrIHRoZSBidXR0b24hIik7Cn0sIDUwMDApOwoKY29uc29sZS5sb2coIldlbGNvbWUgdG8gbG91cGUuIik7!!!PGJ1dHRvbj5DbGljayBtZSE8L2J1dHRvbj4%3D)
 
 ## 十五万字面试资料