diff --git a/Example/Podfile.lock b/Example/Podfile.lock
index 9338a2b..4e55b62 100644
--- a/Example/Podfile.lock
+++ b/Example/Podfile.lock
@@ -1,5 +1,5 @@
 PODS:
-  - TZDatePicker (1.0.0)
+  - TZDatePicker (1.0.1)
 
 DEPENDENCIES:
   - TZDatePicker (from `../`)
@@ -9,7 +9,7 @@ EXTERNAL SOURCES:
     :path: ../
 
 SPEC CHECKSUMS:
-  TZDatePicker: f52685bd978b8c52f5b61a0b806a97d13fb6050d
+  TZDatePicker: 9496a92a8e2637ba99b1b4286557d6fa3f67633b
 
 PODFILE CHECKSUM: 6a2f33b86c79e3d3eb5099777e29c70d610daab8
 
diff --git a/Example/TZDatePicker/ViewController.swift b/Example/TZDatePicker/ViewController.swift
index b1e0817..0c98261 100644
--- a/Example/TZDatePicker/ViewController.swift
+++ b/Example/TZDatePicker/ViewController.swift
@@ -37,6 +37,7 @@ class ViewController: UIViewController {
         let datePicker = TZDatePicker(dateComponents: dateComponents)
         datePicker.onValueChanged = {
             dateComponents in
+            dateComponents
             self.updateLabel(dateComponents)
         }
         updateLabel(dateComponents)
diff --git a/README.md b/README.md
index 4490bdf..f6ac326 100644
--- a/README.md
+++ b/README.md
@@ -1 +1,41 @@
 # TZDatePicker
+
+is a simple DatePicker that easy to use
+
+## Example
+
+To run the example project, clone the repo, and run `pod install` from the Example directory first.
+
+### the Example project
+![TZDatePicker Example app](https://github.com/heart/TZDatePicker/blob/master/images/screenshot.png?raw=true)
+
+
+## Requirements
+Swift
+
+
+## Installation
+
+SwiftTween is available through [CocoaPods](http://cocoapods.org). To install
+it, simply add the following line to your Podfile:
+
+```ruby
+pod 'TZDatePicker'
+```
+
+## Example
+```swift
+var dateComponents = DateComponents()
+dateComponents.month = 7
+dateComponents.day = 20
+
+let datePicker = TZDatePicker(dateComponents: dateComponents)
+datePicker.onValueChanged = {
+    dateComponents in
+
+    print( dateComponents.description )
+
+}
+
+view.addSubview(datePicker)
+```
diff --git a/images/screenshot.png b/images/screenshot.png
new file mode 100644
index 0000000..c72f3a4
Binary files /dev/null and b/images/screenshot.png differ