diff --git a/README.md b/README.md
index 551f61f..b6663d9 100644
--- a/README.md
+++ b/README.md
@@ -64,8 +64,8 @@
 |├ [6.2](https://github.com/MintCN/linux-insides-zh/blob/master/SyncPrim/sync-2.md)|[@keltoy](https://github.com/keltoy)|正在进行|
 |├ [6.3](https://github.com/MintCN/linux-insides-zh/blob/master/SyncPrim/sync-3.md)|[@huxq](https://github.com/huxq)|已完成|
 |├ [6.4](https://github.com/MintCN/linux-insides-zh/blob/master/SyncPrim/sync-4.md)|[@huxq](https://github.com/huxq)|正在进行|
-|├ [6.5](https://github.com/MintCN/linux-insides-zh/blob/master/SyncPrim/sync-5.md)||未开始|
-|└ [6.6](https://github.com/MintCN/linux-insides-zh/blob/master/SyncPrim/sync-6.md)||未开始|
+|├ [6.5](https://github.com/MintCN/linux-insides-zh/blob/master/SyncPrim/sync-5.md)|[@e1001925](https://github.com/e1001925)|正在进行|
+|└ [6.6](https://github.com/MintCN/linux-insides-zh/blob/master/SyncPrim/sync-6.md)|[@hdl](https://github.com/hdl)|正在进行|
 | 7. [Memory management](https://github.com/MintCN/linux-insides-zh/tree/master/MM)||正在进行|
 |├ [7.0](https://github.com/MintCN/linux-insides-zh/blob/master/MM/README.md)|[@mudongliang](https://github.com/mudongliang)|更新至[f83c8ee2](https://github.com/0xAX/linux-insides/commit/f83c8ee29e2051a8f4c08d6a0fa8247d934e14d9)|
 |├ [7.1](https://github.com/MintCN/linux-insides-zh/blob/master/MM/linux-mm-1.md)|[@choleraehyq](https://github.com/choleraehyq)|已完成|