diff --git a/README.md b/README.md
index b024ee82..72d7fc2c 100644
--- a/README.md
+++ b/README.md
@@ -15,12 +15,12 @@ The OpenHarmony LiteOS Cortex-M is the kernel designed for the lightweight opera
## Directory Structure
-The directory structure is listed as below, for the detailed directories, please refer to [arch_spec.md](https://gitee.com/openharmony/kernel_liteos_m/blob/master/arch_spec.md).
+The directory structure is listed as below, for the detailed directories, please refer to [arch_spec.md](arch_spec.md).
```
/kernel/liteos_m
├── components # Optional components
-│ ├── backtrace # backtrace support
+│ ├── backtrace # Backtrace support
│ ├── cppsupport # C++ support
│ ├── cpup # CPU possession (CPUP)
│ ├── exchook # Exception hook
diff --git a/README_zh.md b/README_zh.md
index f3db5440..0cb36dfa 100644
--- a/README_zh.md
+++ b/README_zh.md
@@ -15,7 +15,7 @@ OpenHarmony LiteOS-M内核是面向IoT领域构建的轻量级物联网操作系
## 目录
-目录结构如下，详细目录请参考[arch_spec_zh.md](https://gitee.com/openharmony/kernel_liteos_m/blob/master/arch_spec_zh.md)。
+目录结构如下，详细目录请参考[arch_spec_zh.md](arch_spec_zh.md)。
```
/kernel/liteos_m
diff --git a/arch_spec.md b/arch_spec.md
index e125e0bd..a7a024b6 100644
--- a/arch_spec.md
+++ b/arch_spec.md
@@ -9,25 +9,25 @@
│ └── net --- Network
├── kal --- Kernel Abstraction Layer, APIs exposed externally, including CMSIS APIs and part of POSIX APIs
│ ├── cmsis --- CMSIS
-│ └── posix --- posix
+│ └── posix --- POSIX
├── kernel --- Code for defining the minimum kernel function set
│ ├── arch --- Code of the kernel instruction architecture layer
│ │ ├── arm --- ARM32 architecture
-│ │ │ ├── cortex-m3 --- cortex-m3 architecture
+│ │ │ ├── cortex-m3 --- Cortex-m3 architecture
│ │ │ │ └── keil --- Implementation of the Keil toolchain
-│ │ │ ├── cortex-m33 --- cortex-m33 architecture
+│ │ │ ├── cortex-m33 --- Cortex-m33 architecture
│ │ │ │ │── gcc --- Implementation of the GCC toolchain
│ │ │ │ └── iar --- Implementation of the IAR toolchain
-│ │ │ └── cortex-m4 --- cortex-m4 architecture
+│ │ │ └── cortex-m4 --- Cortex-m4 architecture
│ │ │ │ │── gcc --- Implementation of the GCC toolchain
│ │ │ │ └── iar --- Implementation of the IAR toolchain
-│ │ │ └── cortex-m7 --- cortex-m7 architecture
+│ │ │ └── cortex-m7 --- Cortex-m7 architecture
│ │ │ │ │── gcc --- Implementation of the GCC toolchain
│ │ │ │ └── iar --- Implementation of the IAR toolchain
-│ │ ├── risc-v --- risc-v architecture
-│ │ │ ├── nuclei --- nuclei architecture
+│ │ ├── risc-v --- Risc-v architecture
+│ │ │ ├── nuclei --- Nuclei architecture
│ │ │ │ └── gcc --- Implementation of the GCC toolchain
-│ │ │ └── riscv32 --- riscv32 architecture
+│ │ │ └── riscv32 --- Riscv32 architecture
│ │ │ │ └── gcc --- Implementation of the GCC toolchain
│ │ └── include
│ │ ├── los_arch.h --- Initialization
@@ -53,15 +53,15 @@
├── targets
│ └── targets
│ └── riscv_nuclei_demo_soc_gcc
-│ │ ├── GCC --- compilation config
-│ │ ├── OS_CONFIG --- board config
+│ │ ├── GCC --- Compilation config
+│ │ ├── OS_CONFIG --- Board config
│ │ ├── SoC --- SOC codes
-│ │ └── Src --- application codes
+│ │ └── Src --- Application codes
│ └── riscv_nuclei_gd32vf103_soc_gcc
│ └── riscv_sifive_fe310_gcc
└── utils
├── internal
- ├── BUILD.gn --- gn build config file
+ ├── BUILD.gn --- Gn build config file
├── los_compiler.h --- Compiler configuration
├── los_debug.c --- Debugging facilities
├── los_debug.h
diff --git a/arch_spec_zh.md b/arch_spec_zh.md
index 53922224..99a4e535 100644
--- a/arch_spec_zh.md
+++ b/arch_spec_zh.md
@@ -12,22 +12,22 @@
│ └── posix --- POSIX标准支持
├── kernel --- 内核最小功能集代码
│ ├── arch --- 内核指令架构层代码
-│ │ ├── arm --- arm32架构
-│ │ │ ├── cortex-m3 --- cortex-m3架构
+│ │ ├── arm --- ARM32架构
+│ │ │ ├── cortex-m3 --- Cortex-m3架构
│ │ │ │ └── keil --- Keil编译工具链实现
-│ │ │ ├── cortex-m33 --- cortex-m33架构
+│ │ │ ├── cortex-m33 --- Cortex-m33架构
│ │ │ │ │── gcc --- GCC编译工具链实现
│ │ │ │ └── iar --- IAR编译工具链实现
-│ │ │ └── cortex-m4 --- cortex-m4架构
+│ │ │ └── cortex-m4 --- Cortex-m4架构
│ │ │ │ │── gcc --- GCC编译工具链实现
│ │ │ │ └── iar --- IAR编译工具链实现
-│ │ │ └── cortex-m7 --- cortex-m7架构
+│ │ │ └── cortex-m7 --- Cortex-m7架构
│ │ │ │ │── gcc --- GCC编译工具链实现
│ │ │ │ └── iar --- IAR编译工具链实现
-│ │ ├── risc-v --- risc-v架构
-│ │ │ ├── nuclei --- nuclei架构
+│ │ ├── risc-v --- Risc-v架构
+│ │ │ ├── nuclei --- Nuclei架构
│ │ │ │ └── gcc --- GCC编译工具链实现
-│ │ │ └── riscv32 --- riscv32架构
+│ │ │ └── riscv32 --- Riscv32架构
│ │ │ │ └── gcc --- GCC编译工具链实现
│ │ └── include
│ │ ├── los_arch.h --- 定义arch初始化
@@ -56,14 +56,14 @@
│ │ ├── GCC --- 编译相关
│ │ ├── OS_CONFIG --- 开发板配置功能开关和配置参数
│ │ ├── SoC --- SOC相关代码
-│ │ └── Src ---application相关代码
+│ │ └── Src --- Application相关代码
│ └── riscv_nuclei_gd32vf103_soc_gcc
│ └── riscv_sifive_fe310_gcc
└── utils
├── internal
- ├── BUILD.gn --- gn构建文件
+ ├── BUILD.gn --- Gn构建文件
├── los_compiler.h --- 编译工具配置，类型定义
- ├── los_debug.c --- debug，printf相关
+ ├── los_debug.c --- Debug，printf相关
├── los_debug.h
├── los_error.c --- 错误处理
├── los_error.h