diff --git a/README.md b/README.md
index 43b2e37..b1d8bfc 100644
--- a/README.md
+++ b/README.md
@@ -17,7 +17,7 @@
 10. [性能（16道）](https://github.com/pwstrick/daily/blob/master/interview/performance.md)
 11. [软技能（107道）](https://github.com/pwstrick/daily/blob/master/interview/skill.md)
 12. [前端（33道）](https://github.com/pwstrick/daily/blob/master/interview/fe.md)
-13. [Node.js（19道）](https://github.com/pwstrick/daily/blob/master/interview/nodejs.md)
+13. [Node.js（20道）](https://github.com/pwstrick/daily/blob/master/interview/nodejs.md)
 14. [TypeScript（15道）](https://github.com/pwstrick/daily/blob/master/interview/ts.md)
 15. [Vue（42道）](https://github.com/pwstrick/daily/blob/master/interview/vue.md)
 
diff --git a/interview/nodejs.md b/interview/nodejs.md
index 0bc2004..3d9d076 100644
--- a/interview/nodejs.md
+++ b/interview/nodejs.md
@@ -16,4 +16,5 @@
 16. [在文件系统中，readFile()和createReadStream()有哪些区别？](https://github.com/pwstrick/daily/issues/927)
 17. [在文件系统中，stat()和fstat()有哪些区别？](https://github.com/pwstrick/daily/issues/928)
 18. [在文件系统中，watch()和watchFile()有哪些区别？](https://github.com/pwstrick/daily/issues/929)
-19. [如何解决模块循环引用？](https://github.com/pwstrick/daily/issues/943)
\ No newline at end of file
+19. [如何解决模块循环引用？](https://github.com/pwstrick/daily/issues/943)
+20. [KOA中的洋葱模型是怎么样的？](https://github.com/pwstrick/daily/issues/981)
\ No newline at end of file