diff --git a/DKCircleButton/DKCircleButton.m b/DKCircleButton/DKCircleButton.m
index 99f0a82..fa9e36a 100644
--- a/DKCircleButton/DKCircleButton.m
+++ b/DKCircleButton/DKCircleButton.m
@@ -20,61 +20,74 @@ @interface DKCircleButton ()
 
 @implementation DKCircleButton
 
-@synthesize highLightView = _highLightView;
-@synthesize displayShading = _displayShading;
-@synthesize gradientLayerTop = _gradientLayerTop;
-@synthesize gradientLayerBottom = _gradientLayerBottom;
-@synthesize borderSize = _borderSize;
-@synthesize borderColor = _borderColor;
-@synthesize animateTap = _animateTap;
+@synthesize highLightView;
+@synthesize displayShading;
+@synthesize gradientLayerTop;
+@synthesize gradientLayerBottom;
+@synthesize borderSize;
+@synthesize borderColor;
+@synthesize animateTap;
+
+- (instancetype)initWithCoder:(NSCoder *)coder
+{
+    self = [super initWithCoder:coder];
+    if (self) {
+        [self commonInit];
+    }
+    return self;
+}
 
 - (id)initWithFrame:(CGRect)frame {
     self = [super initWithFrame:frame];
     
     if (self) {
-        _highLightView = [[UIView alloc] initWithFrame:frame];
-        
-        _highLightView.userInteractionEnabled = YES;
-        _highLightView.alpha = 0;
-        _highLightView.backgroundColor = [UIColor colorWithWhite:1 alpha:0.5];
-        
-        _borderColor = [UIColor whiteColor];
-        _animateTap = YES;
-        _borderSize = DKCircleButtonBorderWidth;
-        
-        self.clipsToBounds = YES;
-        self.titleLabel.textAlignment = NSTextAlignmentCenter;
-        self.titleLabel.lineBreakMode = NSLineBreakByWordWrapping;
-        
-        _gradientLayerTop = [CAGradientLayer layer];
-        _gradientLayerTop.frame = CGRectMake(0.0, 0.0, frame.size.width, frame.size.height / 4);
-        _gradientLayerTop.colors = @[(id)[UIColor blackColor].CGColor, (id)[[UIColor lightGrayColor] colorWithAlphaComponent:0.01].CGColor];
-        
-        _gradientLayerBottom = [CAGradientLayer layer];
-        _gradientLayerBottom.frame = CGRectMake(0.0, frame.size.height * 3 / 4, frame.size.width, frame.size.height / 4);
-        _gradientLayerBottom.colors = @[(id)[[UIColor lightGrayColor] colorWithAlphaComponent:0.01].CGColor, (id)[UIColor blackColor].CGColor];
-
-        [self addSubview:_highLightView];        
+        [self commonInit];
     }
     
     return self;
 }
 
-- (void)setDisplayShading:(BOOL)displayShading {
-    _displayShading = displayShading;
+-(void)commonInit{
+    highLightView = [[UIView alloc] initWithFrame:self.bounds];
+    
+    highLightView.userInteractionEnabled = YES;
+    highLightView.alpha = 0;
+    highLightView.backgroundColor = [UIColor colorWithWhite:1 alpha:0.5];
+    
+    borderColor = [UIColor whiteColor];
+    animateTap = YES;
+    borderSize = DKCircleButtonBorderWidth;
+    
+    self.clipsToBounds = YES;
+    self.titleLabel.textAlignment = NSTextAlignmentCenter;
+    self.titleLabel.lineBreakMode = NSLineBreakByWordWrapping;
+    
+    gradientLayerTop = [CAGradientLayer layer];
+    gradientLayerTop.frame = CGRectMake(0.0, 0.0, self.bounds.size.width, self.bounds.size.height / 4);
+    gradientLayerTop.colors = @[(id)[UIColor blackColor].CGColor, (id)[[UIColor lightGrayColor] colorWithAlphaComponent:0.01].CGColor];
+    
+    gradientLayerBottom = [CAGradientLayer layer];
+    gradientLayerBottom.frame = CGRectMake(0.0, self.bounds.size.height * 3 / 4, self.bounds.size.width, self.bounds.size.height / 4);
+    gradientLayerBottom.colors = @[(id)[[UIColor lightGrayColor] colorWithAlphaComponent:0.01].CGColor, (id)[UIColor blackColor].CGColor];
+    
+    [self addSubview:highLightView];
+}
+
+- (void)setDisplayShading:(BOOL)dS {
+    displayShading = dS;
     
     if (displayShading) {
-        [self.layer addSublayer:self.gradientLayerTop];
-        [self.layer addSublayer:self.gradientLayerBottom];
+        [self.layer addSublayer:gradientLayerTop];
+        [self.layer addSublayer:gradientLayerBottom];
     } else {
-        [self.gradientLayerTop removeFromSuperlayer];
-        [self.gradientLayerBottom removeFromSuperlayer];
+        [gradientLayerTop removeFromSuperlayer];
+        [gradientLayerBottom removeFromSuperlayer];
     }
     [self layoutSubviews];
 }
 
-- (void)setBorderColor:(UIColor *)borderColor {
-    _borderColor = borderColor;
+- (void)setBorderColor:(UIColor *)bC {
+    borderColor = bC;
     
     [self layoutSubviews];
 }
@@ -87,12 +100,12 @@ - (void)layoutSubviews {
 - (void)setHighlighted:(BOOL)highlighted {
     
     if (highlighted) {
-        self.layer.borderColor = [self.borderColor colorWithAlphaComponent:1.0].CGColor;
+        self.layer.borderColor = [borderColor colorWithAlphaComponent:1.0].CGColor;
         
         [self triggerAnimateTap];
     }
     else {
-        self.layer.borderColor = [self.borderColor colorWithAlphaComponent:0.7].CGColor;
+        self.layer.borderColor = [borderColor colorWithAlphaComponent:0.7].CGColor;
     }
 }
 
@@ -103,6 +116,9 @@ - (void)updateMaskToBounds:(CGRect)maskBounds {
     
     maskLayer.bounds = maskBounds;
     maskLayer.path = maskPath;
+    
+    CGPathRelease(maskPath);
+    
     maskLayer.fillColor = [UIColor blackColor].CGColor;
     
     CGPoint point = CGPointMake(maskBounds.size.width/2, maskBounds.size.height/2);
@@ -111,10 +127,10 @@ - (void)updateMaskToBounds:(CGRect)maskBounds {
     [self.layer setMask:maskLayer];
     
     self.layer.cornerRadius = CGRectGetHeight(maskBounds) / 2.0;
-    self.layer.borderColor = [self.borderColor colorWithAlphaComponent:0.7].CGColor;
-    self.layer.borderWidth = self.borderSize;
+    self.layer.borderColor = [borderColor colorWithAlphaComponent:0.7].CGColor;
+    self.layer.borderWidth = borderSize;
     
-    self.highLightView.frame = self.bounds;
+    highLightView.frame = self.bounds;
 }
 
 - (void)blink {
@@ -152,11 +168,11 @@ - (void)blink {
 
 - (void)triggerAnimateTap {
     
-    if (self.animateTap == NO) {
+    if (animateTap == NO) {
         return;
     }
     
-    self.highLightView.alpha = 1;
+    highLightView.alpha = 1;
     
     __weak typeof(self) this = self;
     
@@ -179,7 +195,7 @@ - (void)triggerAnimateTap {
     circleShape.position = shapePosition;
     circleShape.fillColor = [UIColor clearColor].CGColor;
     circleShape.opacity = 0;
-    circleShape.strokeColor = self.borderColor.CGColor;
+    circleShape.strokeColor = borderColor.CGColor;
     circleShape.lineWidth = 2.0;
     
     [self.superview.layer addSublayer:circleShape];
diff --git a/Example/Circle Button Demo.xcodeproj/project.pbxproj b/Example/Circle Button Demo.xcodeproj/project.pbxproj
index 488aa43..8141241 100644
--- a/Example/Circle Button Demo.xcodeproj/project.pbxproj	
+++ b/Example/Circle Button Demo.xcodeproj/project.pbxproj	
@@ -19,7 +19,7 @@
 		02752159191530B6004C3D82 /* UIKit.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 02752141191530B6004C3D82 /* UIKit.framework */; };
 		02752161191530B6004C3D82 /* InfoPlist.strings in Resources */ = {isa = PBXBuildFile; fileRef = 0275215F191530B6004C3D82 /* InfoPlist.strings */; };
 		02752163191530B6004C3D82 /* Circle_Button_DemoTests.m in Sources */ = {isa = PBXBuildFile; fileRef = 02752162191530B6004C3D82 /* Circle_Button_DemoTests.m */; };
-		0275216F191530F7004C3D82 /* DKCircleButton.m in Sources */ = {isa = PBXBuildFile; fileRef = 0275216E191530F7004C3D82 /* DKCircleButton.m */; };
+		96DDD625198B983100F3D950 /* DKCircleButton.m in Sources */ = {isa = PBXBuildFile; fileRef = 96DDD624198B983100F3D950 /* DKCircleButton.m */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXContainerItemProxy section */
@@ -49,8 +49,8 @@
 		0275215E191530B6004C3D82 /* Circle Button DemoTests-Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = "Circle Button DemoTests-Info.plist"; sourceTree = "<group>"; };
 		02752160191530B6004C3D82 /* en */ = {isa = PBXFileReference; lastKnownFileType = text.plist.strings; name = en; path = en.lproj/InfoPlist.strings; sourceTree = "<group>"; };
 		02752162191530B6004C3D82 /* Circle_Button_DemoTests.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = Circle_Button_DemoTests.m; sourceTree = "<group>"; };
-		0275216D191530F7004C3D82 /* DKCircleButton.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = DKCircleButton.h; sourceTree = "<group>"; };
-		0275216E191530F7004C3D82 /* DKCircleButton.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = DKCircleButton.m; sourceTree = "<group>"; };
+		96DDD623198B983100F3D950 /* DKCircleButton.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = DKCircleButton.h; sourceTree = "<group>"; };
+		96DDD624198B983100F3D950 /* DKCircleButton.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = DKCircleButton.m; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
@@ -151,8 +151,16 @@
 		0275216C191530F7004C3D82 /* DKCircleButton */ = {
 			isa = PBXGroup;
 			children = (
-				0275216D191530F7004C3D82 /* DKCircleButton.h */,
-				0275216E191530F7004C3D82 /* DKCircleButton.m */,
+				96DDD622198B983100F3D950 /* DKCircleButton */,
+			);
+			path = DKCircleButton;
+			sourceTree = "<group>";
+		};
+		96DDD622198B983100F3D950 /* DKCircleButton */ = {
+			isa = PBXGroup;
+			children = (
+				96DDD623198B983100F3D950 /* DKCircleButton.h */,
+				96DDD624198B983100F3D950 /* DKCircleButton.m */,
 			);
 			path = DKCircleButton;
 			sourceTree = "<group>";
@@ -254,7 +262,7 @@
 			buildActionMask = 2147483647;
 			files = (
 				0275214A191530B6004C3D82 /* main.m in Sources */,
-				0275216F191530F7004C3D82 /* DKCircleButton.m in Sources */,
+				96DDD625198B983100F3D950 /* DKCircleButton.m in Sources */,
 				0275214E191530B6004C3D82 /* DKAppDelegate.m in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
@@ -452,6 +460,7 @@
 				02752168191530B6004C3D82 /* Release */,
 			);
 			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
 		};
 		02752169191530B6004C3D82 /* Build configuration list for PBXNativeTarget "Circle Button DemoTests" */ = {
 			isa = XCConfigurationList;
@@ -460,6 +469,7 @@
 				0275216B191530B6004C3D82 /* Release */,
 			);
 			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
 		};
 /* End XCConfigurationList section */
 	};
diff --git a/Example/Circle Button Demo.xcodeproj/project.xcworkspace/contents.xcworkspacedata b/Example/Circle Button Demo.xcodeproj/project.xcworkspace/contents.xcworkspacedata
new file mode 100644
index 0000000..0f109d7
--- /dev/null
+++ b/Example/Circle Button Demo.xcodeproj/project.xcworkspace/contents.xcworkspacedata	
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Workspace
+   version = "1.0">
+   <FileRef
+      location = "self:Circle Button Demo.xcodeproj">
+   </FileRef>
+</Workspace>
diff --git a/Example/Circle Button Demo.xcodeproj/project.xcworkspace/xcuserdata/Jason.xcuserdatad/UserInterfaceState.xcuserstate b/Example/Circle Button Demo.xcodeproj/project.xcworkspace/xcuserdata/Jason.xcuserdatad/UserInterfaceState.xcuserstate
new file mode 100644
index 0000000..0c7fe01
Binary files /dev/null and b/Example/Circle Button Demo.xcodeproj/project.xcworkspace/xcuserdata/Jason.xcuserdatad/UserInterfaceState.xcuserstate differ
diff --git a/Example/Circle Button Demo.xcodeproj/xcuserdata/Jason.xcuserdatad/xcschemes/Circle Button Demo.xcscheme b/Example/Circle Button Demo.xcodeproj/xcuserdata/Jason.xcuserdatad/xcschemes/Circle Button Demo.xcscheme
new file mode 100644
index 0000000..58411db
--- /dev/null
+++ b/Example/Circle Button Demo.xcodeproj/xcuserdata/Jason.xcuserdatad/xcschemes/Circle Button Demo.xcscheme	
@@ -0,0 +1,96 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Scheme
+   LastUpgradeVersion = "0600"
+   version = "1.3">
+   <BuildAction
+      parallelizeBuildables = "YES"
+      buildImplicitDependencies = "YES">
+      <BuildActionEntries>
+         <BuildActionEntry
+            buildForTesting = "YES"
+            buildForRunning = "YES"
+            buildForProfiling = "YES"
+            buildForArchiving = "YES"
+            buildForAnalyzing = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "02752139191530B6004C3D82"
+               BuildableName = "Circle Button Demo.app"
+               BlueprintName = "Circle Button Demo"
+               ReferencedContainer = "container:Circle Button Demo.xcodeproj">
+            </BuildableReference>
+         </BuildActionEntry>
+      </BuildActionEntries>
+   </BuildAction>
+   <TestAction
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      buildConfiguration = "Debug">
+      <Testables>
+         <TestableReference
+            skipped = "NO">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "02752154191530B6004C3D82"
+               BuildableName = "Circle Button DemoTests.xctest"
+               BlueprintName = "Circle Button DemoTests"
+               ReferencedContainer = "container:Circle Button Demo.xcodeproj">
+            </BuildableReference>
+         </TestableReference>
+      </Testables>
+      <MacroExpansion>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "02752139191530B6004C3D82"
+            BuildableName = "Circle Button Demo.app"
+            BlueprintName = "Circle Button Demo"
+            ReferencedContainer = "container:Circle Button Demo.xcodeproj">
+         </BuildableReference>
+      </MacroExpansion>
+   </TestAction>
+   <LaunchAction
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      launchStyle = "0"
+      useCustomWorkingDirectory = "NO"
+      buildConfiguration = "Debug"
+      ignoresPersistentStateOnLaunch = "NO"
+      debugDocumentVersioning = "YES"
+      allowLocationSimulation = "YES">
+      <BuildableProductRunnable>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "02752139191530B6004C3D82"
+            BuildableName = "Circle Button Demo.app"
+            BlueprintName = "Circle Button Demo"
+            ReferencedContainer = "container:Circle Button Demo.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+      <AdditionalOptions>
+      </AdditionalOptions>
+   </LaunchAction>
+   <ProfileAction
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      savedToolIdentifier = ""
+      useCustomWorkingDirectory = "NO"
+      buildConfiguration = "Release"
+      debugDocumentVersioning = "YES">
+      <BuildableProductRunnable>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "02752139191530B6004C3D82"
+            BuildableName = "Circle Button Demo.app"
+            BlueprintName = "Circle Button Demo"
+            ReferencedContainer = "container:Circle Button Demo.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+   </ProfileAction>
+   <AnalyzeAction
+      buildConfiguration = "Debug">
+   </AnalyzeAction>
+   <ArchiveAction
+      buildConfiguration = "Release"
+      revealArchiveInOrganizer = "YES">
+   </ArchiveAction>
+</Scheme>
diff --git a/Example/Circle Button Demo.xcodeproj/xcuserdata/Jason.xcuserdatad/xcschemes/xcschememanagement.plist b/Example/Circle Button Demo.xcodeproj/xcuserdata/Jason.xcuserdatad/xcschemes/xcschememanagement.plist
new file mode 100644
index 0000000..3783188
--- /dev/null
+++ b/Example/Circle Button Demo.xcodeproj/xcuserdata/Jason.xcuserdatad/xcschemes/xcschememanagement.plist	
@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>SchemeUserState</key>
+	<dict>
+		<key>Circle Button Demo.xcscheme</key>
+		<dict>
+			<key>orderHint</key>
+			<integer>0</integer>
+		</dict>
+	</dict>
+	<key>SuppressBuildableAutocreation</key>
+	<dict>
+		<key>02752139191530B6004C3D82</key>
+		<dict>
+			<key>primary</key>
+			<true/>
+		</dict>
+		<key>02752154191530B6004C3D82</key>
+		<dict>
+			<key>primary</key>
+			<true/>
+		</dict>
+	</dict>
+</dict>
+</plist>
diff --git a/Example/Circle Button Demo/DKCircleButton/DKCircleButton.h b/Example/Circle Button Demo/DKCircleButton/DKCircleButton.h
index 4484e78..49c622d 100644
--- a/Example/Circle Button Demo/DKCircleButton/DKCircleButton.h	
+++ b/Example/Circle Button Demo/DKCircleButton/DKCircleButton.h	
@@ -19,4 +19,15 @@
 
 - (void)setImage:(UIImage *)image animated: (BOOL)animated;
 
+/**
+ * fast creation
+ */
++ (id)circleButtonWithSize:(CGSize)size borderSize:(CGFloat)borderSize normalTitle:(NSString *)title addTarget:(id)target action:(SEL)action animated:(BOOL)animated;
+
+///
+
+- (void)selectedWithAnimation:(BOOL)animation;
+
+- (void)deselected;
+
 @end
diff --git a/Example/Circle Button Demo/DKCircleButton/DKCircleButton.m b/Example/Circle Button Demo/DKCircleButton/DKCircleButton.m
index 99f0a82..23cd140 100644
--- a/Example/Circle Button Demo/DKCircleButton/DKCircleButton.m	
+++ b/Example/Circle Button Demo/DKCircleButton/DKCircleButton.m	
@@ -103,6 +103,9 @@ - (void)updateMaskToBounds:(CGRect)maskBounds {
     
     maskLayer.bounds = maskBounds;
     maskLayer.path = maskPath;
+    
+    CGPathRelease(maskPath);
+    
     maskLayer.fillColor = [UIColor blackColor].CGColor;
     
     CGPoint point = CGPointMake(maskBounds.size.width/2, maskBounds.size.height/2);
@@ -115,6 +118,7 @@ - (void)updateMaskToBounds:(CGRect)maskBounds {
     self.layer.borderWidth = self.borderSize;
     
     self.highLightView.frame = self.bounds;
+    
 }
 
 - (void)blink {
@@ -226,4 +230,34 @@ - (void)setImage:(UIImage *)image animated: (BOOL)animated {
     }
 }
 
+///**************************************  fast creation      **************************************
++ (id)circleButtonWithSize:(CGSize)size borderSize:(CGFloat)borderSize normalTitle:(NSString *)title addTarget:(id)target action:(SEL)action animated:(BOOL)animated
+{
+    DKCircleButton *readModeBtn = [[DKCircleButton alloc] init];
+    readModeBtn.frame = CGRectMake(0, 0, size.width, size.height);
+    
+    animated?[readModeBtn blink]:nil;
+    
+    readModeBtn.borderSize = borderSize;
+    [readModeBtn addTarget:target action:action forControlEvents:UIControlEventTouchDown];
+
+    [readModeBtn setTitle:title forState:UIControlStateNormal];
+    readModeBtn.titleLabel.font = [UIFont fontWithName:@"HelveticaNeue-Light" size:17];
+
+    return readModeBtn;
+}
+
+- (void)selectedWithAnimation:(BOOL)animation
+{
+    animation?[self blink]: nil;
+    [self setSelected:YES];
+    self.backgroundColor = [UIColor colorWithWhite:1 alpha:0.25];
+
+}
+- (void)deselected
+{
+    [self setSelected:NO];
+    self.backgroundColor = nil;
+}
+
 @end