diff --git a/README.md b/README.md
index 6f7619b..4ed9cd7 100644
--- a/README.md
+++ b/README.md
@@ -22,10 +22,10 @@ Linux Insides
 |Interrupts||未开始|
 |System calls||未开始|
 |Timers and time management||未开始|
-|Memory management||未开始|
+|Memory management|[@choleraehyq](http://cholerae.com)|正在进行|
 |Concepts||未开始|
 |DataStructures||正在进行|
-|├9.1|[@mudongliang](https://github.com/mudongliang)|正在进行|
+|├9.1|[@oska874](http://github.com/oska874) [@mudongliang](https://github.com/mudongliang)|正在进行|
 |└9.2|[Alick Guo](https://github.com/a1ickgu0)|正在进行|
 |Theory||正在进行|
 |├10.1|[@mudongliang](https://github.com/mudongliang)|正在进行|