diff --git a/docs/cn/architecture.md b/docs/cn/architecture.md
index 9fc12da3e167f863d6200ced6f9dfc35888f5178..7b41edaea779a2c39924a59d00c4c8b693f881bf 100644
--- a/docs/cn/architecture.md
+++ b/docs/cn/architecture.md
@@ -1,6 +1,6 @@
 # 架构设计
 ---
-##1 技术架构
+## 1 技术架构
 ![](image/rocketmq_architecture_1.png)
 
 RocketMQ架构上主要分为四部分，如上图所示:
@@ -20,7 +20,7 @@ RocketMQ架构上主要分为四部分，如上图所示:
 
 ![](image/rocketmq_architecture_2.png)
 
-##2 部署架构
+## 2 部署架构
 
 
 ![](image/rocketmq_architecture_3.png)