diff --git a/README.md b/README.md
index f3618fe..8509fca 100644
--- a/README.md
+++ b/README.md
@@ -48,17 +48,17 @@ Linux Insides
 |├ 4.0|[@mudongliang](https://github.com/mudongliang)|已完成|
 |├ 4.1|[@qianmoke](https://github.com/qianmoke)|已完成|
 |├ 4.2|[@qianmoke](https://github.com/qianmoke)|已完成|
-|├ 4.3||未开始|
-|└ 4.4||未开始|
+|├ 4.3|[@1a1a11a](https://github.com/1a1a11a)|正在进行|
+|└ 4.4|[1a1a11a](https://github.com/1a1a11a)|正在进行|
 | 5. Timers and time management||正在进行|
 |├ 5.0|[@mudongliang](https://github.com/mudongliang)|已完成|
-|├ 5.1||未开始|
-|├ 5.2||未开始|
-|├ 5.3||未开始|
-|├ 5.4||未开始|
-|├ 5.5||未开始|
-|├ 5.6||未开始|
-|└ 5.7||未开始|
+|├ 5.1|[1a1a11a](https://github.com/1a1a11a)|正在进行|
+|├ 5.2|[1a1a11a](https://github.com/1a1a11a)|正在进行|
+|├ 5.3|[1a1a11a](https://github.com/1a1a11a)|正在进行|
+|├ 5.4|[1a1a11a](https://github.com/1a1a11a)|正在进行|
+|├ 5.5|[1a1a11a](https://github.com/1a1a11a)|正在进行|
+|├ 5.6|[1a1a11a](https://github.com/1a1a11a)|正在进行|
+|└ 5.7|[1a1a11a](https://github.com/1a1a11a)|正在进行|
 | 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|