diff --git a/README.md b/README.md
index 1a9fb84..7537400 100644
--- a/README.md
+++ b/README.md
@@ -57,9 +57,9 @@
 |├ [4.1](https://github.com/MintCN/linux-insides-zh/blob/master/SysCall/syscall-1.md)|[@qianmoke](https://github.com/qianmoke)|已完成|
 |├ [4.2](https://github.com/MintCN/linux-insides-zh/blob/master/SysCall/syscall-2.md)|[@qianmoke](https://github.com/qianmoke)|已完成|
 |├ [4.3](https://github.com/MintCN/linux-insides-zh/blob/master/SysCall/syscall-3.md)||未开始|
-|├ [4.4](https://github.com/MintCN/linux-insides-zh/blob/master/SysCall/syscall-4.md)||未开始|
-|├ [4.5](https://github.com/MintCN/linux-insides-zh/blob/master/SysCall/syscall-5.md)||未开始|
-|└ [4.6](https://github.com/MintCN/linux-insides-zh/blob/master/SysCall/syscall-6.md)||未开始|
+|├ [4.4](https://github.com/MintCN/linux-insides-zh/blob/master/SysCall/syscall-4.md)|[@BMEI1314](https://github.com/BMEI1314)|正在进行|
+|├ [4.5](https://github.com/MintCN/linux-insides-zh/blob/master/SysCall/syscall-5.md)|[@BMEI1314](https://github.com/BMEI1314)|正在进行|
+|└ [4.6](https://github.com/MintCN/linux-insides-zh/blob/master/SysCall/syscall-6.md)|[@BMEI1314](https://github.com/BMEI1314)|正在进行|
 | 5. [Timers and time management](https://github.com/MintCN/linux-insides-zh/tree/master/Timers)||正在进行|
 |├ [5.0](https://github.com/MintCN/linux-insides-zh/blob/master/Timers/README.md)|[@mudongliang](https://github.com/mudongliang)|更新至[2a742fd4](https://github.com/0xAX/linux-insides/commit/2a742fd485df0260efce2078e7162c0de668e98b)|
 |├ [5.1](https://github.com/MintCN/linux-insides-zh/blob/master/Timers/timers-1.md)|[@luoxiaobing](https://github.com/luoxiaobing)|正在进行|