docs: update README.md

Author: leafcoder

README.md

@@ -1,34 +1,57 @@
 <div align="center">
 
-# 新冠肺炎实时接口 {docsify-ignore}
-
-<!-- Place this tag where you want the button to render. -->
-<a class="github-button" href="https://github.com/leafcoder/django-covid19/subscription" data-color-scheme="no-preference: light; light: light; dark: dark;" data-show-count="true" aria-label="Watch leafcoder/django-covid19 on GitHub">
-    <img alt="GitHub forks" src="https://img.shields.io/github/watchers/leafcoder/django-covid19?style=social">
-</a>
-<a class="github-button" href="https://github.com/leafcoder/django-covid19" data-color-scheme="no-preference: light; light: light; dark: dark;" data-show-count="true" aria-label="Star leafcoder/django-covid19 on GitHub">
-    <img alt="GitHub forks" src="https://img.shields.io/github/stars/leafcoder/django-covid19?style=social">
-</a>
-<a class="github-button" href="https://github.com/leafcoder/django-covid19/fork" data-color-scheme="no-preference: light; light: light; dark: dark;" data-show-count="true" aria-label="Fork leafcoder/django-covid19 on GitHub">
-    <img alt="GitHub forks" src="https://img.shields.io/github/forks/leafcoder/django-covid19?style=social">
-</a>
-
-![GitHub release (latest by date)](https://img.shields.io/github/v/release/leafcoder/django-covid19)
-![GitHub top language](https://img.shields.io/github/languages/top/leafcoder/django-covid19)
-![GitHub code size in bytes](https://img.shields.io/github/languages/code-size/leafcoder/django-covid19)
-![GitHub commit activity](https://img.shields.io/github/commit-activity/w/leafcoder/django-covid19)
-![GitHub All Releases](https://img.shields.io/github/downloads/leafcoder/django-covid19/total)
+# 新冠肺炎实时接口
+
+<p>
+    <!-- Place this tag where you want the button to render. -->
+    <a class="github-button" href="https://github.com/leafcoder/django-covid19/subscription" data-color-scheme="no-preference: light; light: light; dark: dark;" data-show-count="true" aria-label="Watch leafcoder/django-covid19 on GitHub">
+        <img alt="GitHub forks" src="https://img.shields.io/github/watchers/leafcoder/django-covid19?style=social">
+    </a>
+    <a class="github-button" href="https://github.com/leafcoder/django-covid19" data-color-scheme="no-preference: light; light: light; dark: dark;" data-show-count="true" aria-label="Star leafcoder/django-covid19 on GitHub">
+        <img alt="GitHub forks" src="https://img.shields.io/github/stars/leafcoder/django-covid19?style=social">
+    </a>
+    <a class="github-button" href="https://github.com/leafcoder/django-covid19/fork" data-color-scheme="no-preference: light; light: light; dark: dark;" data-show-count="true" aria-label="Fork leafcoder/django-covid19 on GitHub">
+        <img alt="GitHub forks" src="https://img.shields.io/github/forks/leafcoder/django-covid19?style=social">
+    </a>
+</p>
+
+<p>
+    <img src="https://img.shields.io/github/v/release/leafcoder/django-covid19" data-origin="https://img.shields.io/github/v/release/leafcoder/django-covid19" alt="GitHub release (latest by date)">
+    <img src="https://img.shields.io/github/languages/top/leafcoder/django-covid19" data-origin="https://img.shields.io/github/languages/top/leafcoder/django-covid19" alt="GitHub top language">
+    <img src="https://img.shields.io/github/languages/code-size/leafcoder/django-covid19" data-origin="https://img.shields.io/github/languages/code-size/leafcoder/django-covid19" alt="GitHub code size in bytes">
+    <img src="https://img.shields.io/github/commit-activity/w/leafcoder/django-covid19" data-origin="https://img.shields.io/github/commit-activity/w/leafcoder/django-covid19" alt="GitHub commit activity">
+    <img src="https://img.shields.io/github/downloads/leafcoder/django-covid19/total" data-origin="https://img.shields.io/github/downloads/leafcoder/django-covid19/total" alt="GitHub All Releases">
+</p>
 
 </div>
 
-# 接口文档
+# 项目文档
 
-点击查看 [在线接口文档](https://blog.leafcoder.cn/django-covid19/)。
+本项目使用开源文档工具 [docsify](https://docsify.js.org) 编写了一份开发文档。
+
+文档将如何安装部署本项目作了详细的描述，开发者可根据自身需求搭建一个属于个人
+的 *新冠肺炎实时接口*，并通过项目提供的爬虫工具实时、定时的更新疫情数据，追踪
+疫情的最新情况。
+
+如果开发者本身没有个人的云服务器用来部署本项目，也可以直接调用本项目已部署好
+的实时接口，可用于科研、娱乐、教学等各方面。
+
+[![在线文档](docs/images/docs.png)](http://111.231.75.86:8000/docs/)
 
 # 在线大屏
 
-点击查看 [在线数据大屏](http://111.231.75.86/dashboard)。
+根据已部署的疫情在线接口，并结合使用开源数据大屏项目中的示例代码，本项目提
+供了一个使用本项目接口的数据大屏示例。
+
+[![在线数据大屏](docs/images/dashboard.png)](http://111.231.75.86/dashboard)
+
+# 问题相关
+
+有任何问题欢迎在 github 中提 issue，或者在文档页面的最后提交[评论](http://111.231.75.86:8000/docs/#/?id=detail-1)，我会尽快解答。
+
+* 推荐使用评论方式提问；
+* 推荐使用 isuss 提交 bug；
 
-# 文档预览
+# 致各位
 
-![图片](docs/images/docs.png)
+如果本项目对你有所帮助，请在[此处](http://111.231.75.86:8000/docs/#/?id=detail-1)留下你的项目地址。