diff --git a/docs/.vuepress/public/images/opensource.png b/docs/.vuepress/public/images/opensource.png
new file mode 100644
index 0000000..77ff080
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diff --git a/docs/README.md b/docs/README.md
index b251b54..078d321 100755
--- a/docs/README.md
+++ b/docs/README.md
@@ -31,14 +31,16 @@ npm i pandora --save
     <div class="col">
       <h3>微型智能框架，让物联网节点具有智能</h3>
       <p>
-      提供节点端基于嵌入式芯片及嵌入式神经网络加速器的微型智能框架，通过端侧微型智能框架和边缘侧智能框架协同完成工厂环境下的图像、声音等数据处理，方便开发者开发工厂物联网环境下更低延时、更低成本的解决方案，可实时读取仪表盘、识别物体等。
+      提供节点端基于嵌入式芯片及嵌入式神经网络加速器的微型智能框架，通过端侧微型智能框架和边缘侧智能框架协同完成工厂环境下的图像、声音等数据处理，方便开发者开发工厂物联网环境下更低延时、更低成本、更轻量化的智能感知识别解决方案，可实时读取仪表盘、识别物体等。
       </p>
     </div>
   </div>
   <div class="item">
     <div class="col">
       <h3>多功能感知终端，轻松获取工业环境数据</h3>
-      <p>Through the latest Node.js Tracking Technology, Pandora.js can track the embedded point of common modules in the industry, and output the Common Open-Tracing format's dot-making logic. After a certain data analysis, the application can clearly find its own bottleneck, data Optimization and logical analysis.</p>
+      <p>
+      自研多功能感知终端统，支持ARM和RISC-V两种体系结构的处理器，支持4G、NB-IoT、WiFi、ZigBee、LoRA、BlueTooth等通信方式，支持SPI、IIC、UART、CAN、RS485、RS232、SDIO等总线接口，可直接部署于工业生产环境，使得用户不必关心底层各类硬件的实施细节，可轻松获取数据，专注于应用逻辑本身的效能。
+      </p>
     </div>
     <div class="col img">
       <img src="https://img.alicdn.com/tfs/TB17_lYbCzqK1RjSZFHXXb3CpXa-1128-817.png" />
@@ -50,15 +52,19 @@ npm i pandora --save
       <img src="https://img.alicdn.com/tfs/TB1Bl0YbpYqK1RjSZLeXXbXppXa-1212-924.png" />
     </div>
     <div class="col">
-      <h3>无线自组网络，复杂环境下数据传输不再头疼</h3>
-      <p>Pandora.js output common monitoring data in the industry through the restful API and log file, which can be connected to its own data analysis platform, so that node. js application monitoring has a data base. The Sandbox platform produced by midwayjs can also provide easy access to data and generate elegant reports.</p>
+      <h3>无线自组网络，复杂环境下数据传输得心应手</h3>
+      <p>
+      不仅提供基本的网络互联支持，提供TCP/IP、Zigbee、6LoWPAN等各种网络协议栈，和丰富便捷的消息通信库，包括MQTT、CoAP等，方便开发者开发通信功能，还支持节点自组织网络，不需要手工配置，各节点自动通过自选网关统一对外传输数据，可极大简化工厂、野外等复杂环境下的网络部署和配置管理。
+      </p>
     </div>
   </div>
 
   <div class="item">
     <div class="col">
       <h3>集群自主管理，便于大规模部署与运维</h3>
-      <p>Through the latest Node.js Tracking Technology, Pandora.js can track the embedded point of common modules in the industry, and output the Common Open-Tracing format's dot-making logic. After a certain data analysis, the application can clearly find its own bottleneck, data Optimization and logical analysis.</p>
+      <p>
+      Through the latest Node.js Tracking Technology, Pandora.js can track the embedded point of common modules in the industry, and output the Common Open-Tracing format's dot-making logic. After a certain data analysis, the application can clearly find its own bottleneck, data Optimization and logical analysis.
+      </p>
     </div>
     <div class="col img">
       <img src="https://img.alicdn.com/tfs/TB17_lYbCzqK1RjSZFHXXb3CpXa-1128-817.png" />
@@ -71,7 +77,9 @@ npm i pandora --save
     </div>
     <div class="col">
       <h3>智能化感联知控，帮助工厂数字化转型升级</h3>
-      <p>Pandora.js output common monitoring data in the industry through the restful API and log file, which can be connected to its own data analysis platform, so that node. js application monitoring has a data base. The Sandbox platform produced by midwayjs can also provide easy access to data and generate elegant reports.</p>
+      <p>
+      Pandora.js output common monitoring data in the industry through the restful API and log file, which can be connected to its own data analysis platform, so that node. js application monitoring has a data base. The Sandbox platform produced by midwayjs can also provide easy access to data and generate elegant reports.
+      </p>
     </div>
   </div>
 
@@ -81,19 +89,21 @@ npm i pandora --save
   <h2>开源开放，共赢未来</h2>
   <div class="item">
     <div class="col img">
-      <img src="images/smart.png" />
+      <img src="images/opensource.png" width=400 />
     </div>
     <div class="col">
       <h3>遵循木兰开源协议，POSIX兼容，开发者友好</h3>
       <p>
-      提供节点端基于嵌入式芯片及嵌入式神经网络加速器的微型智能框架，通过端侧微型智能框架和边缘侧智能框架协同完成工厂环境下的图像、声音等数据处理，方便开发者开发工厂物联网环境下更低延时、更低成本的解决方案，可实时读取仪表盘、识别物体等。
+      XiUOS采取开源开放的路线，将遵循国内首个获OSI开源认证的木兰宽松许可证MulanPSL逐步发布系统各部分代码，系统的API尽力兼容POSIX规范，提供标准的C库，系统使用方式和环境与Linux高度相近，还有熟悉的GNU工具链，这一切都对开发者非常友好。
       </p>
     </div>
   </div>
   <div class="item">
     <div class="col">
-      <h3>明确的定位，开放的生态，与伙伴共赢</h3>
-      <p>Through the latest Node.js Tracking Technology, Pandora.js can track the embedded point of common modules in the industry, and output the Common Open-Tracing format's dot-making logic. After a certain data analysis, the application can clearly find its own bottleneck, data Optimization and logical analysis.</p>
+      <h3>面向细分领域，生态开放，与伙伴共赢</h3>
+      <p>
+      物联网市场广阔却呈现碎片化和领域化市场特征，为各细分领域的操作系统提供了差异化发展空间。XiUOS面向工业物联网这一最大的IoT细分市场，提供定位清晰、特色鲜明的技术方案，生态体系开放，技术来源多样，合作伙伴众多，彼此优势互补携手共赢，共创美好未来。
+      </p>
     </div>
     <div class="col img">
       <img src="https://img.alicdn.com/tfs/TB17_lYbCzqK1RjSZFHXXb3CpXa-1128-817.png" />
diff --git a/docs/about/license.md b/docs/about/license.md
index cc3e074..7113665 100644
--- a/docs/about/license.md
+++ b/docs/about/license.md
@@ -1 +1,19 @@
-# License
+# 许可证 License
+
+XiUOS是开源的，遵循 [木兰宽松许可证MulanPSL2](https://license.coscl.org.cn/MulanPSL2/)，木兰许可证已获[OSI认证](https://opensource.org/licenses/MulanPSL-2.0)。
+
+
+
+```
+Copyright (c) 2020 UOS Lab, AIIT, PKU
+XiUOS is licensed under Mulan PSL v2.
+You can use this software according to the terms and conditions of the Mulan PSL v2.
+You may obtain a copy of Mulan PSL v2 at:
+         http://license.coscl.org.cn/MulanPSL2
+THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+See the Mulan PSL v2 for more details.
+```
+
+
diff --git a/docs/doc/intro.md b/docs/doc/intro.md
index 1bbefc6..f88a067 100644
--- a/docs/doc/intro.md
+++ b/docs/doc/intro.md
@@ -124,4 +124,4 @@ XiUOS框架层还提供一些重要的共性基础设施，包括C/C++基础库
 
 ## 路线图
 
-XiUOS 将整体开源发布，采用[木兰协议](https://license.coscl.org.cn/MulanPSL/)。XiUSO的具体开放路线采取逐步开放的方式，按照研发的成熟度分期分批发布系统的各个部分。
+XiUOS 将整体[开源发布](../about/license.md)，采用[木兰协议](https://license.coscl.org.cn/MulanPSL/)。XiUSO的具体开放路线采取逐步开放的方式，按照研发的成熟度分期分批发布系统的各个部分。