diff --git a/CircleBar/Classes/SHCircleBar.swift b/CircleBar/Classes/SHCircleBar.swift
index 8830e84..93ca030 100644
--- a/CircleBar/Classes/SHCircleBar.swift
+++ b/CircleBar/Classes/SHCircleBar.swift
@@ -23,10 +23,15 @@ import UIKit
         customInit()
     }
     
+    @IBInspectable var hasHapticFeedback:Bool = false {
+        didSet{
+            self.hapticFeedback()
+        }
+    }
+    
     required init?(coder aDecoder: NSCoder) {
         super.init(coder: aDecoder)
         customInit()
-        
     }
     override func draw(_ rect: CGRect) {
         let fillColor: UIColor = .white
@@ -50,7 +55,7 @@ import UIKit
             mask.add(bezAnimation, forKey: nil)
         }
         self.layer.mask = mask
-
+        
     }
     
     func select(itemAt: Int, animated: Bool) {
@@ -68,15 +73,15 @@ import UIKit
     }
     private func drawPath(for index: CGFloat) -> UIBezierPath {
         let bezPath = UIBezierPath()
-
+        
         let firstPoint = CGPoint(x: (index * tabWidth) - 25, y: 0)
         let firstPointFirstCurve = CGPoint(x: ((tabWidth * index) + tabWidth / 4), y: 0)
         let firstPointSecondCurve = CGPoint(x: ((index * tabWidth) - 25) + tabWidth / 8, y: 52)
-
+        
         let middlePoint = CGPoint(x: (tabWidth * index) + tabWidth / 2, y: 55)
         let middlePointFirstCurve = CGPoint(x: (((tabWidth * index) + tabWidth) - tabWidth / 8) + 25, y: 52)
         let middlePointSecondCurve = CGPoint(x: (((tabWidth * index) + tabWidth) - tabWidth / 4), y: 0)
-
+        
         let lastPoint = CGPoint(x: (tabWidth * index) + tabWidth + 25, y: 0)
         bezPath.move(to: firstPoint)
         bezPath.addCurve(to: middlePoint, controlPoint1: firstPointFirstCurve, controlPoint2: firstPointSecondCurve)
@@ -85,5 +90,8 @@ import UIKit
         return bezPath
     }
     
-
+    func hapticFeedback(){
+            let generator = UINotificationFeedbackGenerator()
+            generator.notificationOccurred(.success)
+    }
 }
diff --git a/CircleBar/Classes/SHCircleBarController.swift b/CircleBar/Classes/SHCircleBarController.swift
index baa4542..fbe1173 100644
--- a/CircleBar/Classes/SHCircleBarController.swift
+++ b/CircleBar/Classes/SHCircleBarController.swift
@@ -9,7 +9,7 @@
 import UIKit
 
 class SHCircleBarController: UITabBarController {
-
+    
     fileprivate var shouldSelectOnTabBar = true
     private var circleView : UIView!
     private var circleImageView: UIImageView!
@@ -21,6 +21,9 @@ class SHCircleBarController: UITabBarController {
             }
             guard let tabBar = tabBar as? SHCircleBar, let index = viewControllers?.index(of: newValue) else {return}
             tabBar.select(itemAt: index, animated: true)
+            if tabBar.hasHapticFeedback {
+                tabBar.hapticFeedback()
+            }
         }
     }
     
@@ -62,7 +65,6 @@ class SHCircleBarController: UITabBarController {
     open override func viewWillAppear(_ animated: Bool) {
         super.viewWillAppear(animated)
         circleImageView.image = image(with: self.tabBar.selectedItem?.image ?? self.tabBar.items?.first?.image, scaledTo: CGSize(width: 30, height: 30))
-        
     }
     
     private var _barHeight: CGFloat = 74
@@ -87,7 +89,10 @@ class SHCircleBarController: UITabBarController {
         self.tabBar.frame = tabFrame
         tabBar.setNeedsLayout()
     }
-    
+    open override func viewDidLayoutSubviews() {
+        super.viewDidLayoutSubviews()
+        self.selectedIndex = 1
+    }
     open override func viewWillLayoutSubviews() {
         super.viewWillLayoutSubviews()
         updateTabBarFrame()
diff --git a/Example/CircleBar/Main.storyboard b/Example/CircleBar/Main.storyboard
index ffbb369..e0beb81 100644
--- a/Example/CircleBar/Main.storyboard
+++ b/Example/CircleBar/Main.storyboard
@@ -1,10 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="14460.31" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES" initialViewController="BgY-q2-TDs">
-    <device id="retina4_7" orientation="portrait">
-        <adaptation id="fullscreen"/>
-    </device>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="17701" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES" initialViewController="BgY-q2-TDs">
+    <device id="retina4_7" orientation="portrait" appearance="light"/>
     <dependencies>
-        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="14460.20"/>
+        <deployment identifier="iOS"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="17703"/>
         <capability name="Safe area layout guides" minToolsVersion="9.0"/>
         <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
     </dependencies>
@@ -16,8 +15,8 @@
                     <view key="view" contentMode="scaleToFill" id="6JG-08-P4f">
                         <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
-                        <color key="backgroundColor" red="0.45098039220000002" green="0.34509803919999998" blue="0.96078431369999995" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                         <viewLayoutGuide key="safeArea" id="Ni4-BZ-rv1"/>
+                        <color key="backgroundColor" red="0.45098039220000002" green="0.34509803919999998" blue="0.96078431369999995" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                     </view>
                     <tabBarItem key="tabBarItem" title="View 1" image="apple" id="6WL-HR-obU">
                         <color key="badgeColor" red="0.90588235289999997" green="0.42745098040000001" blue="0.17254901959999999" alpha="1" colorSpace="calibratedRGB"/>
@@ -35,6 +34,10 @@
                         <rect key="frame" x="0.0" y="0.0" width="375" height="49"/>
                         <autoresizingMask key="autoresizingMask"/>
                         <color key="backgroundColor" white="0.0" alpha="0.0" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+                        <userDefinedRuntimeAttributes>
+                            <userDefinedRuntimeAttribute type="boolean" keyPath="HapticFeedback" value="NO"/>
+                            <userDefinedRuntimeAttribute type="boolean" keyPath="hasHapticFeedback" value="NO"/>
+                        </userDefinedRuntimeAttributes>
                     </tabBar>
                     <connections>
                         <segue destination="PN1-mI-Mpj" kind="relationship" relationship="viewControllers" id="SRj-1L-amn"/>
@@ -54,8 +57,8 @@
                     <view key="view" contentMode="scaleToFill" id="gK5-XA-reX">
                         <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
-                        <color key="backgroundColor" name="systemPinkColor" catalog="System" colorSpace="catalog"/>
                         <viewLayoutGuide key="safeArea" id="tU0-ki-joq"/>
+                        <color key="backgroundColor" name="systemPinkColor" catalog="System" colorSpace="catalog"/>
                     </view>
                     <tabBarItem key="tabBarItem" title="View 2" image="approval" id="0S5-D7-S5D">
                         <color key="badgeColor" red="0.38823529410000002" green="0.26274509800000001" blue="0.95294117649999999" alpha="1" colorSpace="calibratedRGB"/>
@@ -72,8 +75,8 @@
                     <view key="view" contentMode="scaleToFill" id="yF0-it-ruw">
                         <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
-                        <color key="backgroundColor" red="0.90588235289999997" green="0.42745098040000001" blue="0.17254901959999999" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                         <viewLayoutGuide key="safeArea" id="0gA-K9-yFr"/>
+                        <color key="backgroundColor" red="0.90588235289999997" green="0.42745098040000001" blue="0.17254901959999999" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                     </view>
                     <tabBarItem key="tabBarItem" title="View 3" image="bell" id="yRC-Jh-mdH">
                         <color key="badgeColor" name="systemPinkColor" catalog="System" colorSpace="catalog"/>
@@ -90,8 +93,8 @@
                     <view key="view" contentMode="scaleToFill" id="fSt-rT-knK">
                         <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
-                        <color key="backgroundColor" red="0.3411764706" green="0.72549019609999998" blue="0.60784313729999995" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                         <viewLayoutGuide key="safeArea" id="XhL-vf-R9Z"/>
+                        <color key="backgroundColor" red="0.3411764706" green="0.72549019609999998" blue="0.60784313729999995" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                     </view>
                     <tabBarItem key="tabBarItem" title="View 4" image="about" id="XKK-fW-YWm">
                         <color key="badgeColor" name="systemPinkColor" catalog="System" colorSpace="catalog"/>
@@ -102,6 +105,11 @@
             <point key="canvasLocation" x="4014" y="134"/>
         </scene>
     </scenes>
+    <designables>
+        <designable name="hhh-Wy-Ffr">
+            <size key="intrinsicContentSize" width="-1" height="49"/>
+        </designable>
+    </designables>
     <resources>
         <image name="about" width="30" height="30"/>
         <image name="apple" width="30" height="30"/>
diff --git a/Example/CircleBar/ViewController.swift b/Example/CircleBar/ViewController.swift
index c0ca10c..d71bc05 100644
--- a/Example/CircleBar/ViewController.swift
+++ b/Example/CircleBar/ViewController.swift
@@ -12,7 +12,6 @@ class ViewController: UIViewController {
 
     override func viewDidLoad() {
         super.viewDidLoad()
-        // Do any additional setup after loading the view, typically from a nib.
     }
 
     override func didReceiveMemoryWarning() {
diff --git a/Example/Pods/Pods.xcodeproj/project.pbxproj b/Example/Pods/Pods.xcodeproj/project.pbxproj
index 78bd096..b31924d 100644
--- a/Example/Pods/Pods.xcodeproj/project.pbxproj
+++ b/Example/Pods/Pods.xcodeproj/project.pbxproj
@@ -329,6 +329,7 @@
 			developmentRegion = English;
 			hasScannedForEncodings = 0;
 			knownRegions = (
+				English,
 				en,
 			);
 			mainGroup = 7DB346D0F39D3F0E887471402A8071AB;