update readme

README.md

@@ -4,6 +4,7 @@
 [![Platform](https://img.shields.io/badge/Platform-iOS-lightgrey.svg)](https://github.com/zixun/AssistiveButton)
 [![MIT](https://img.shields.io/badge/License-MIT-red.svg)](https://opensource.org/licenses/MIT)
 
+[![Carthage compatible](https://img.shields.io/badge/Carthage-Compatible-brightgreen.svg?style=flat)](https://github.com/Carthage/Carthage) 
 ## Context
 This library is derived from the [GodEye](https://github.com/zixun/GodEye) project which can automaticly disply Log,Crash,Network,ANR,Leak,CPU,RAM,FPS,NetFlow,Folder and etc with one line of code. Just like god opened his eyes
 
@@ -13,13 +14,20 @@ To run the example project, clone the repo, and run `pod install` from the Examp
 
 ## Installation
 
+### CocoaPods
 AssistiveButton is available through [CocoaPods](http://cocoapods.org). To install
 it, simply add the following line to your Podfile:
 
 ```ruby
 pod "AssistiveButton"
 ```
 
+### Carthage
+Or, if you’re using [Carthage](https://github.com/Carthage/Carthage), add SwViewCapture to your Cartfile:
+
+``` 
+github "zixun/AssistiveButton"
+
 ## Usage
 
 ```swift