diff --git a/index.md b/index.md
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+++ b/index.md
@@ -2,122 +2,43 @@
 layout: default
 ---
 
-Text can be **bold**, _italic_, or ~~strikethrough~~.
+# TinyEurocat
 
-[Link to another page](./another-page.html).
+An simple EuroScope plug-in to simulate THALES Eurocat TAG items
 
-There should be whitespace between paragraphs.
+<hr>
 
-There should be whitespace between paragraphs. We recommend including a README, or a file with information about your project.
+## Installation
 
-# Header 1
+### 1. Load the plug-in
 
-This is a normal paragraph following a header. GitHub is a code hosting platform for version control and collaboration. It lets you and others work together on projects from anywhere.
+In order to install the plug-in, extract the DLL file to whererver you want, then load the plug-in from OTHER SETS -> Plug-ins -> Load
 
-## Header 2
+### 2. Config the TAGs
 
-> This is a blockquote following a header.
->
-> When something is important enough, you do it even if the odds are not in your favor.
+Open OTHER SETS -> TAG Editor, and manually replace default altitude, cleared altitude and speed item with the one starts with TinyEurocat.
 
-### Header 3
+## Features
+ - Current altitude, Cleared altitude and current speed in metric
+ - show nohing when cleared altitude is 0
 
-```js
-// Javascript code with syntax highlighting.
-var fun = function lang(l) {
-  dateformat.i18n = require('./lang/' + l)
-  return true;
-}
-```
+## Changlog
 
-```ruby
-# Ruby code with syntax highlighting
-GitHubPages::Dependencies.gems.each do |gem, version|
-  s.add_dependency(gem, "= #{version}")
-end
-```
+### v1.0.1
 
-#### Header 4
+ - Current altitude, Cleared altitude and current speed in metric
+ - show nohing when cleared altitude is not assigned instead of 0 or crz altitude
 
-*   This is an unordered list following a header.
-*   This is an unordered list following a header.
-*   This is an unordered list following a header.
+### v1.0.2
 
-##### Header 5
+ - fix current altitude accuracy
+ - fix cleared alt to adapt china rvsm
+ - check if cleared alt is valid to rvsm
+ - remove cleared alt when equals final alt
 
-1.  This is an ordered list following a header.
-2.  This is an ordered list following a header.
-3.  This is an ordered list following a header.
+## v1.1.1
 
-###### Header 6
-
-| head1        | head two          | three |
-|:-------------|:------------------|:------|
-| ok           | good swedish fish | nice  |
-| out of stock | good and plenty   | nice  |
-| ok           | good `oreos`      | hmm   |
-| ok           | good `zoute` drop | yumm  |
-
-### There's a horizontal rule below this.
-
-* * *
-
-### Here is an unordered list:
-
-*   Item foo
-*   Item bar
-*   Item baz
-*   Item zip
-
-### And an ordered list:
-
-1.  Item one
-1.  Item two
-1.  Item three
-1.  Item four
-
-### And a nested list:
-
-- level 1 item
-  - level 2 item
-  - level 2 item
-    - level 3 item
-    - level 3 item
-- level 1 item
-  - level 2 item
-  - level 2 item
-  - level 2 item
-- level 1 item
-  - level 2 item
-  - level 2 item
-- level 1 item
-
-### Small image
-
-![Octocat](https://github.githubassets.com/images/icons/emoji/octocat.png)
-
-### Large image
-
-![Branching](https://guides.github.com/activities/hello-world/branching.png)
-
-
-### Definition lists can be used with HTML syntax.
-
-<dl>
-<dt>Name</dt>
-<dd>Godzilla</dd>
-<dt>Born</dt>
-<dd>1952</dd>
-<dt>Birthplace</dt>
-<dd>Japan</dd>
-<dt>Color</dt>
-<dd>Green</dd>
-</dl>
-
-```
-Long, single-line code blocks should not wrap. They should horizontally scroll if they are too long. This line should be long enough to demonstrate this.
-```
-
-```
-The final element.
-```
+ - change license and copyright holder
+ - remove force rvsm
+ - change ``GS`` source
+ - change ``CFL`` algorithm