diff --git a/README.md b/README.md
index 0a900e9..f3618fe 100644
--- a/README.md
+++ b/README.md
@@ -62,7 +62,7 @@ Linux Insides
 | 6. Synchronization primitives||正在进行|
 |├ 6.0|[@mudongliang](https://github.com/mudongliang)|已完成|
 |├ 6.1|[@keltoy](https://github.com/keltoy)|已完成|
-|├ 6.2||未开始|
+|├ 6.2|[@keltoy](https://github.com/keltoy)|正在进行|
 |├ 6.3|[@huxq](https://github.com/huxq)|已完成|
 |├ 6.4|[@huxq](https://github.com/huxq)|正在进行|
 |└ 6.5||未开始|