diff --git a/README.md b/README.md
index e4b761b6..bbf0d122 100644
--- a/README.md
+++ b/README.md
@@ -2055,7 +2055,6 @@ TODO
 * [《什么是Service Mesh？》](https://time.geekbang.org/article/2355)
 * [《初识 Service Mesh》](https://www.jianshu.com/p/e23e3e74538e)
 
-* [《什么是Service Mesh？》](https://time.geekbang.org/article/2355)
 
 # 项目管理