From c8456936ff908577e4700d2c70589b26e5f070c8 Mon Sep 17 00:00:00 2001
From: cooper-lzy <78672629+cooper-lzy@users.noreply.github.com>
Date: Mon, 1 Aug 2022 11:50:09 +0800
Subject: [PATCH] Update 3.graph-service.md

---
 .../3.graph-service.md                        | 25 ++++++++++---------
 1 file changed, 13 insertions(+), 12 deletions(-)

diff --git a/docs-2.0/1.introduction/3.nebula-graph-architecture/3.graph-service.md b/docs-2.0/1.introduction/3.nebula-graph-architecture/3.graph-service.md
index 868aaf5f726..0f6c730a654 100644
--- a/docs-2.0/1.introduction/3.nebula-graph-architecture/3.graph-service.md
+++ b/docs-2.0/1.introduction/3.nebula-graph-architecture/3.graph-service.md
@@ -98,18 +98,19 @@ Nebula Graph 的代码层次结构如下：
 
 ```bash
 |--src
-   |--context    //校验期和执行期上下文
-   |--daemons
-   |--executor   //执行算子
-   |--mock
-   |--optimizer  //优化规则
-   |--parser     //词法语法分析
-   |--planner    //执行计划结构
-   |--scheduler  //调度器
-   |--service
-   |--util       //基础组件
-   |--validator  //语句校验
-   |--visitor
+   |--graph
+      |--context    //校验期和执行期上下文
+      |--executor   //执行算子
+      |--gc         //垃圾收集器
+      |--optimizer  //优化规则
+      |--planner    //执行计划结构
+      |--scheduler  //调度器
+      |--service    //对外服务管理
+      |--session    //会话管理
+      |--stats      //运行指标
+      |--util       //基础组件
+      |--validator  //语句校验
+      |--visitor    //visitor表达式
 ```
 
 ## 视频