[update] add feature support description in readme file

README-CN.MD

@@ -21,10 +21,9 @@
 
 它具备了博客网站的一切基本功能：标签分类、编写、评论、标题列表等。
 
-![Home Page](./docs/preview1.png)
-
 <!-- TOC -->
 
+- [特性支持](#%E7%89%B9%E6%80%A7%E6%94%AF%E6%8C%81)
 - [案例展示](#%E6%A1%88%E4%BE%8B%E5%B1%95%E7%A4%BA)
 - [快速上手](#%E5%BF%AB%E9%80%9F%E4%B8%8A%E6%89%8B)
   - [初始化项目](#%E5%88%9D%E5%A7%8B%E5%8C%96%E9%A1%B9%E7%9B%AE)
@@ -51,6 +50,20 @@
 
 <!-- /TOC -->
 
+### 特性支持
+
+| Feature                | Support  |
+| ---------------------- | -------- |
+| 公式渲染               | ✅       |
+| RSS 推送               | ✅       |
+| 博客全文搜索           | ✅       |
+| 文本排版方向 RTL & LTR | 部分支持 |
+| 代码块渲染             | ✅       |
+| 开箱即用               | ✅       |
+| 高度可配置化           | ✅       |
+| 博客评论               | ✅       |
+| SEO                    | ✅       |
+
 ### 案例展示
 
 以下博客网站均采用了本项目。

README.MD

@@ -23,6 +23,7 @@ It has all the basic functions of a blog website: tag classification, writing, c
 
 <!-- TOC -->
 
+- [Feature Support](#feature-support)
 - [Showcase](#showcase)
 - [Quick Start](#quick-start)
   - [Initialize Project](#initialize-project)
@@ -49,6 +50,20 @@ It has all the basic functions of a blog website: tag classification, writing, c
 
 <!-- /TOC -->
 
+### Feature Support
+
+| Feature             | Support |
+| ------------------- | ------- |
+| Math Formula        | ✅      |
+| RSS                 | ✅      |
+| Full Text Search    | ✅      |
+| RTL & LTR           | Partial |
+| Code Block          | ✅      |
+| Ready to use        | ✅      |
+| Highly customizable | ✅      |
+| Blog Comments       | ✅      |
+| SEO                 | ✅      |
+
 ### Showcase
 
 The following blog sites all use this project.