diff --git a/README.md b/README.md
index 8cef365..fe7d376 100644
--- a/README.md
+++ b/README.md
@@ -93,7 +93,7 @@ Linux 内核揭密
 |├ [13.0](https://github.com/MintCN/linux-insides-zh/blob/master/Misc/README.md)|[@mudongliang](https://github.com/mudongliang)|更新至[ddf0793f](https://github.com/0xAX/linux-insides/commit/ddf0793f6b74b6c541c4979b4deaf093b2b87c9b)|
 |├ [13.1](https://github.com/MintCN/linux-insides-zh/blob/master/Misc/how_linux_compile.md)|[@oska874](https://github.com/oska874)|已完成|
 |├ [13.2](https://github.com/MintCN/linux-insides-zh/blob/master/Misc/linkers.md)|[@zmj1316](https://github.com/zmj1316)|已完成|
-|├ [13.3](https://github.com/MintCN/linux-insides-zh/blob/master/Misc/contribute.md)||未开始|
+|├ [13.3](https://github.com/MintCN/linux-insides-zh/blob/master/Misc/contribute.md)||正在进行|
 |└ [13.4](https://github.com/MintCN/linux-insides-zh/blob/master/Misc/program_startup.md)|[@mudongliang](https://github.com/mudongliang)|已完成|
 | 14. [KernelStructures](https://github.com/MintCN/linux-insides-zh/tree/master/KernelStructures)||正在进行|
 |├ [14.0](https://github.com/MintCN/linux-insides-zh/tree/master/KernelStructures/README.md)|[@mudongliang](https://github.com/mudongliang)|更新至[3cb550c0](https://github.com/0xAX/linux-insides/commit/3cb550c089c8fc609f667290434e9e98e93fa279)|