diff --git a/docs/design/architecture-v2.md b/docs/design/architecture-v2.md
index b47c93f..390d21c 100644
--- a/docs/design/architecture-v2.md
+++ b/docs/design/architecture-v2.md
@@ -988,7 +988,7 @@ sanguo_moziplus_v2/
 └── README.md
 ```
 
-### 3.3 关键交互流程
+### 3.7 关键交互流程
 
 #### 流程 1：完整任务生命周期