diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# linebot
+# linebot2
[](https://GitHub.com/Naereen/StrapDown.js/graphs/commit-activity)
[](https://www.npmjs.com/package/@waynechang65/linebot)
[](https://www.npmjs.com/package/@waynechang65/linebot)
@@ -6,13 +6,64 @@
[](https://travis-ci.com/WayneChang65/linebot2)
[](https://github.com/WayneChang65/linebot/)
-## !!! Remind：This project is a fork originally from [boybundit/linebot][boybundit-linebot-url]. The team seems too busy to maintain this project, so the fork will be maintained continuously here and will update this module as much as possible when [LINE][line-offical-url] releases new APIs.
+#### !!! Remind：This project is a fork originally from [boybundit/linebot][boybundit-linebot-url]. The team seems too busy to maintain this project, so the fork will be maintained continuously here and will update this module as much as possible when [LINE][line-offical-url] releases new APIs.
-## :exclamation::exclamation::exclamation: NPM Module：[@waynchang65/linebot][waynechang65-linebot-npm-url]
+## 🤖 [linebot2][linebot2] is SDK for LINE Messaging API for Node.js
+ * NPM Module：[@waynchang65/linebot][waynechang65-linebot-npm-url]
-🤖 SDK for the LINE Messaging API for Node.js
-- Come with built-in server for quick setup
-- Provide convenient addon functions to [event object](#event-object)
+# :question: Why do we use [linebot2][linebot2]？
+
+# :+1: Reason: Easier and less code
+
+## :mag_right: Comparison between @line/line-bot-sdk-nodejs(official) and @waynechang65/linebot2
+
+### Compared modules
+ * [line-bot-sdk-nodejs][line-bot-sdk-nodejs]：LINE official Message API SDK for node.js
+ * [linebot2][linebot2]：Unofficial Message API SDK for node.js and maintained by [WayneChang65](https://github.com/WayneChang65) with [Github](https://github.com/) community.
+### Comparison
+ * Base：The simplest echo example. Input text and the bot echos the same text.
+
+ * Example code：[line-bot-sdk-nodejs](https://github.com/line/line-bot-sdk-nodejs/blob/next/examples/echo-bot/index.js)(official) and [linebot2](https://github.com/WayneChang65/linebot2/blob/master/examples/echo-express-es7.js) respective simple echo example file on github repo.
+
+### 3 parts of the code for the comparison
+ * Part 1: It includes declaration and initialization of used modules, secret and access token of LINE account. Result of the comparison of this part is **almost the same** between 2 modules.
+
+ 
+
+
+ * Part 3: It includes port number setting. Result of the comparison of this part is **almost the same** between 2 modules.
+
+ 
+
+
+ * Part 2: Going back to the second part, this part is also the place where exists a big difference.
+ * Event handling
+ * line-bot-sdk-nodejs(official)：Yes, users must deal with the distribution of events by Promise.all
+ * linebot2：No need.
+ * Handling unused event messages
+ * line-bot-sdk-nodejs(official)：Yes, uses must care about and filter out unused event messages.
+ * linebot2：No need.
+ * Deal with the message object
+ * line-bot-sdk-nodejs(official)：Yes, users must write code for the return message object.
+ * linebot2：No need.
+ * Use reply token
+ * line-bot-sdk-nodejs(official)：Yes, users must understand what a reply token is, and they must enclose the reply token when sending messages.
+ * linebot2：No need. (It’s okay even if the user doesn’t understand what a reply token is)
+ * Call express api directly
+ * line-bot-sdk-nodejs(official)：Yes, users must call express api like status(500).end() when error occurs.
+ * linebot2：No need. (It’s okay even if the user isn't familier with express)
+ * Way to handle event messages
+ * line-bot-sdk-nodejs(official)：Included in app.post function and make the programming complicated.
+ * linebot2：Use bot.on function to deal with events and make the programming neat and easy.
+ * Use [express](https://github.com/expressjs/express)
+ * line-bot-sdk-nodejs(official)：Yes, users must use [express](https://github.com/expressjs/express) for using the SDK.
+ * linebot2：No need. (Provide built-in server and make it slim)
+
+ 
+
+
+### Conclusion
+linebot2 is easier and less code.
# About LINE Messaging API
@@ -629,3 +680,5 @@ Special thanks to original designer of the linebot project. [boybundit/linebot][
[docker-hub-url]: https://hub.docker.com/
[waynechang65-linebot-dockerhub]: https://hub.docker.com/r/waynechang65/linebot/tags?page=1&ordering=last_updated
[linebot2-dockerfile]: https://github.com/WayneChang65/linebot2/blob/master/Dockerfile
+[linebot2]: https://github.com/WayneChang65/linebot2/
+[line-bot-sdk-nodejs]: https://github.com/line/line-bot-sdk-nodejs
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