+ README & LICENSE

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diff --git a/README-zh-CN.md b/README-zh-CN.md
@@ -0,0 +1,96 @@
+# Yao
+
+[![UnitTest](https://github.com/YaoApp/yao/actions/workflows/unit-test.yml/badge.svg)](https://github.com/YaoApp/yao/actions/workflows/unit-test.yml)
+[![codecov](https://codecov.io/gh/YaoApp/yao/branch/main/graph/badge.svg?token=294Y05U71J)](https://codecov.io/gh/YaoApp/yao)
+
+[English](README.md)
+
+Yao 是一款支持快速创建 Web 服务和管理后台的开源低代码应用引擎。
+
+官网: [https://yaoapps.com](https://yaoapps.com)
+
+文档: [https://yaoapps.com/doc](https://yaoapps.com/doc)
+
+## 演示
+
+### 客户管理系统
+
+使用 Yao 搭建的一套通用 CRM 管理系统。
+
+[https://demo-crm.yaoapps.com](https://demo-crm.yaoapps.com/xiang/login/admin?autoLogin=true)
+
+### 智能仓库管理系统
+
+使用 Yao 搭建的云+边物联网应用，支持人脸识别、RFID 的无人值守智能仓库管理系统。
+
+[https://demo-wms.yaoapps.com](https://demo-crm.yaoapps.com/xiang/login/admin?autoLogin=true)
+
+## 介绍
+
+Yao 是一个只需使用 JSON 即可创建数据库模型、编写 API 接口、描述管理后台界面的低代码引擎，使用 Yao 构建的应用可运行在云端或物联网设备上。 开发者不需要写一行代码，就可以拥有 10 倍生产力。
+
+Yao 基于 **flow-based** 编程思想，采用 **Go** 语言开发，支持多种方式扩展数据流处理器。这使得 Yao 具有极好的**通用性**，大部分场景下可以代替编程语言, 在复用性和编码效率上是传统编程语言的 **10 倍**；应用性能和资源占比上优于 **PHP**, **JAVA** 等语言。
+
+Yao 内置了一套数据管理系统，通过编写 **JSON** 描述界面布局，即可实现 90% 常见界面交互功能，特别适合快速制作各类管理后台、CRM、ERP 等企业内部系统。对于特殊交互功能亦可通过编写扩展组件或 HTML 页面的方式实现。内置管理系统与 Yao 并不耦合，亦可采用 **VUE**, **React** 等任意前端技术实现管理界面。
+
+## Install
+
+在终端下运行脚本: ( MacOS / Linux )
+
+```bash
+curl -fsSL https://website.yaoapps.com/install.sh | bash
+```
+
+Windows 用户请参考安装调试章节: [安装调试](https://yaoapps.com/doc/a.介绍/b.安装调试)
+
+## 入门指南
+
+### Step 1: 创建项目
+
+新建一个项目目录，进入项目目录，运行 `yao init` 命令，创建一个空白的 Yao 应用。
+
+```bash
+mkdir -p /data/crm  # 创建项目目录
+cd /data/crm  # 进入项目目录
+yao init # 运行初始化程序
+```
+
+命令运行成功后，将创建 `app.json文件` , `db`, `ui` , `data` 等目录
+
+```bash
+├── data        # 用于存放应用产生的文件，如图片,PDF等
+├── db          # 用于存放 SQLite 数据库文件
+│   └── yao.db
+└── ui          # 静态文件服务器文件目录，可以放置自定义前端制品，该目录下文件可通过 http://host:port/文件名称 访问。
+└── app.json    # 应用配置文件, 用来定义应用名称等
+```
+
+### Step 2: Create the data table
+
+使用 `yao migrate` 命令创建数据表，打开命令行终端，**在项目根录下运行**:
+
+```bash
+yao migrate
+```
+
+初始化菜单
+
+```bash
+yao run flows.setmenu
+```
+
+### Step 3: Start the service
+
+打开命令行终端，**在项目根录下运行**:
+
+```bash
+yao start
+```
+
+1. 打开浏览器, 访问 `https://127.0.0.1:5099/xiang/login/admin`，
+
+2. 输入默认用户名: `xiang@iqka.com`， 密码: `A123456p+`
+
+## 关于 Yao
+
+Yao 的名字源于汉字**爻(yáo)**，是构成八卦的基本符号。八卦，是上古大神伏羲观测总结自然规律后，创造的一个可以指代万事万物的符号体系。爻，有阴阳两种状态，就像 0 和 1。爻的阴阳转换，驱动八卦更替，以此来总结记录事物的发展规律。