diff --git a/README.md b/README.md
index c51f0ee..f6c82df 100644
--- a/README.md
+++ b/README.md
@@ -12,4 +12,19 @@
 
 # Editor.md
 
-![](https://img.shields.io/github/stars/pandao/editor.md.svg) ![](https://img.shields.io/github/forks/pandao/editor.md.svg) ![](https://img.shields.io/github/tag/pandao/editor.md.svg) ![](https://img.shields.io/github/release/pandao/editor.md.svg) ![](https://img.shields.io/github/issues/pandao/editor.md.svg) ![](https://img.shields.io/bower/v/editor.md.svg)
\ No newline at end of file
+![](https://img.shields.io/github/stars/pandao/editor.md.svg) ![](https://img.shields.io/github/forks/pandao/editor.md.svg) ![](https://img.shields.io/github/tag/pandao/editor.md.svg) ![](https://img.shields.io/github/release/pandao/editor.md.svg) ![](https://img.shields.io/github/issues/pandao/editor.md.svg) ![](https://img.shields.io/bower/v/editor.md.svg)
+
+###Characters
+                
+----
+
+~~Strikethrough~~ <s>Strikethrough (when enable html tag decode.)</s>
+*Italic*      _Italic_
+**Emphasis**  __Emphasis__
+***Emphasis Italic*** ___Emphasis Italic___
+
+Superscript: X<sub>2</sub>，Subscript: O<sup>2</sup>
+
+**Abbreviation(link HTML abbr tag)**
+
+The <abbr title="Hyper Text Markup Language">HTML</abbr> specification is maintained by the <abbr title="World Wide Web Consortium">W3C</abbr>.