diff --git a/README.md b/README.md
index c681b6c..89c6aa2 100644
--- a/README.md
+++ b/README.md
@@ -20,25 +20,21 @@ English | [中文](./README_ZH.md) | [日本語](./README_JA.md)
 
 ## Opensource & Contribution 
 
-### Update 2025.02.27
+### 2025.03.04 Update Content
++ Updated directory structure
 
-+ Update directory structure
-
-```shell
+``` shell
 ├── kvmapp          # APP update package
-│   ├── jpg_stream  # Compatible with direct updates from very old versions
+│   ├── jpg_stream  # Compatible for direct updates from very old versions
 │   ├── kvm_new_app # Triggers necessary components for kvm_system update
 │   ├── kvm_system  # kvm_system application
-│   ├── server      # NanoKVM frontend and backend applications
+│   ├── server      # NanoKVM front-end and back-end applications
 │   └── system      # Necessary system components
-├── server          # NanoKVM backend
-├── support         # Auxiliary functions (system status, system updates, screen, keys)
+├── server          # NanoKVM back-end
+├── support         # Auxiliary functions (image subsystem, system status, system updates, screen, keys, etc.)
 │   ├── sg2002      # NanoKVM-Lite/Full/PCIe
 │   └── h618        # NanoKVM-Pro
-├── vision          # Image acquisition (for Go to compile image acquisition SO components)
-│   ├── sg2002      # NanoKVM-Lite/Full/PCIe
-│   └── h618        # NanoKVM-Pro
-├── web             # NanoKVM frontend
+├── web             # NanoKVM front-end
 ├── LICENSE
 ├── README_JA.md
 ├── README.md
@@ -47,6 +43,7 @@ English | [中文](./README_ZH.md) | [日本語](./README_JA.md)
 ```
 
 + Add NanoKVM app installation package `kvmapp`
++ Add compilation scripts and compilation instructions
 
 ### Update 2025.02.19
 All components of NanoKVM were open-sourced, including the [front-end](https://github.com/sipeed/NanoKVM/tree/main/web), [back-end](https://github.com/sipeed/NanoKVM/tree/main/server), [kvm_vision](https://github.com/sipeed/NanoKVM/tree/main/vision/components/kvm), [kvm_mmf](https://github.com/sipeed/NanoKVM/tree/main/vision/components/kvm_mmf), [kvm_system](https://github.com/sipeed/NanoKVM/tree/main/support), the [kvmapp update package](https://github.com/sipeed/NanoKVM-System/tree/main/kvmapp), [system sdk](https://github.com/sipeed/LicheeRV-Nano-Build/tree/NanoKVM), and [packaging methods](https://github.com/sipeed/LicheeRV-Nano-Build/blob/NanoKVM/kvm/NanoKVM_img.sh).
diff --git a/README_ZH.md b/README_ZH.md
index 7b6cb3f..502d2b1 100644
--- a/README_ZH.md
+++ b/README_ZH.md
@@ -20,7 +20,7 @@ NanoKVM
 
 ## 开源与贡献
 
-### 2025.02.27 更新内容
+### 2025.03.04 更新内容
 + 更新目录结构
 
 ``` shell
@@ -31,10 +31,7 @@ NanoKVM
 │   ├── server      # NanoKVM 前后端应用
 │   └── system      # 必要系统组件
 ├── server          # NanoKVM 后端
-├── support         # 辅助功能(系统状态、系统更新、屏幕、按键)
-│   ├── sg2002      # NanoKVM-Lite/Full/PCIe
-│   └── h618        # NanoKVM-Pro
-├── vision          # 图像采集（为go编译图像获取so组件）
+├── support         # 辅助功能(图像子系统、系统状态、系统更新、屏幕、按键……)
 │   ├── sg2002      # NanoKVM-Lite/Full/PCIe
 │   └── h618        # NanoKVM-Pro
 ├── web             # NanoKVM 前端
@@ -46,6 +43,7 @@ NanoKVM
 ```
 
 + 添加 NanoKVM app安装包`kvmapp`
++ 添加编译脚本和编译说明
 
 ### 2025.02.19 更新内容
 所有 NanoKVM 组件已开源，包括