diff --git a/services.md b/services.md
index a395ae4..868621e 100644
--- a/services.md
+++ b/services.md
@@ -1,26 +1,42 @@
 ```
 BSM
-│ 
 │ 基础设施
 ├─bsm-infra 
-│  ├─gateway API网关服务
-├─bsm-registry 注册服务组
-│  └─actions # 编译服务
+│  ├─gateway  API网关服务
+|
+| 注册服务组
+├─bsm-registry 
+│  └─actions  编译服务
+|
+| SDK包
 ├─bsm-sdk
-│  ├─engine
-│  ├─skeleton
-├─bsm-service-app
-│  └─passport
+│  ├─engine   SDK核心库
+│  ├─skeleton 微服务样本架构
+| 
+| 基础微服务
 ├─bsm-service-base
 │  ├─initialize
 │  └─notify
+|
+| 应用微服务
+├─bsm-service-app
+│  └─passport
+|
+| 电商微服务
 ├─bsm-service-ec
 │  ├─address
 │  ├─mall
 │  └─order
-├─bsm-service-mgt
-│  └─operate
+|
+| 内容微服务
 ├─bsm-service-ugc
 │  └─content
+|
+| 运营及系统管理
+├─bsm-service-mgt
+│  └─operate
+│  └─system
+|
+| 工具集
 └─bsm-tools
    └─proto-merge
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