diff --git a/zh-cn/device-dev/subsystems/subsys-build-standard-large.md b/zh-cn/device-dev/subsystems/subsys-build-standard-large.md
index 1a5e497b4112839803f77c87833140c685629da0..cab31620804e3b52b63744999a79a9a188132661 100644
--- a/zh-cn/device-dev/subsystems/subsys-build-standard-large.md
+++ b/zh-cn/device-dev/subsystems/subsys-build-standard-large.md
@@ -80,15 +80,15 @@ OpenHarmony侧的编译构建流程主要包括编译命令行解析，调用gn
 
 /build                           # 编译构建主目录
 
-├── __pycache__                   # ----------------------
+├── __pycache__                   
 ├── build_scripts/                # 编译相关的python脚本
-├── common/                       # ----------------------
+├── common/                      
 ├── config/                       # 编译相关的配置项
 ├── core
 │   ├── gn/                       # 编译入口BUILD.gn配置
-    └── build_scripts/            # ----------------------
-├── docs                          # ----------------------
-gn_helpers.py*                    # ----------------------
+    └── build_scripts/           
+├── docs                          
+gn_helpers.py*                    
 lite/                             # hb和preloader入口                      
 misc/
 ├── ohos                          # OpenHarmony编译打包流程配置
@@ -100,19 +100,19 @@ misc/
 │   ├── sdk                       # sdk模板和处理流程，包括sdk中包含的模块配置
 │   └── testfwk                   # 测试相关的处理
 ├── ohos.gni*                     # 汇总了常用的gni文件，方便各个模块一次性import
-├── ohos_system.prop              # ----------------------
-├── ohos_var.gni*                 # ----------------------
-├── prebuilts_download.sh*        # ----------------------
-├── print_python_deps.py*         # ----------------------
-├── scripts/                      # ----------------------
-├── subsystem_config.json         # ----------------------
-├── subsystem_config_example.json # ----------------------
+├── ohos_system.prop             
+├── ohos_var.gni*                 
+├── prebuilts_download.sh*        
+├── print_python_deps.py*         
+├── scripts/                      
+├── subsystem_config.json         
+├── subsystem_config_example.json 
 ├── templates/                    # c/c++编译模板定义
-├── test.gni*                     # ----------------------
+├── test.gni*                     
 ├── toolchain                     # 编译工具链配置
 ├── tools                         # 常用工具
-├── version.gni                   # ----------------------
-├── zip.py*                       # ----------------------
+├── version.gni                   
+├── zip.py*                       
 
 
 ```