diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -83,6 +83,7 @@
 - [Hystrix 介绍](/docs/high-availability/hystrix-introduction.md)
 - [电商网站详情页系统架构](/docs/high-availability/e-commerce-website-detail-page-architecture.md)
 - [Hystrix 线程池技术实现资源隔离](/docs/high-availability/hystrix-thread-pool-isolation.md)
+- [Hystrix 信号量机制实现资源隔离](/docs/high-availability/hystrix-semphore-isolation.md)
 
 ### 高可用系统
 - 如何设计一个高可用系统？
diff --git a/docs/high-availability/hystrix-semphore-isolation.md b/docs/high-availability/hystrix-semphore-isolation.md
new file mode 100644
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@@ -0,0 +1,2 @@
+## 基于 Hystrix 信号量机制实现资源隔离
+待补充。
\ No newline at end of file