diff --git a/HMSegmentedControl.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist b/HMSegmentedControl.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
new file mode 100644
index 00000000..18d98100
--- /dev/null
+++ b/HMSegmentedControl.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
@@ -0,0 +1,8 @@
+<?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>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>
diff --git a/HMSegmentedControl/HMSegmentedControl.h b/HMSegmentedControl/HMSegmentedControl.h
index cea60001..2a408199 100755
--- a/HMSegmentedControl/HMSegmentedControl.h
+++ b/HMSegmentedControl/HMSegmentedControl.h
@@ -10,7 +10,7 @@
 
 @class HMSegmentedControl;
 
-typedef void (^IndexChangeBlock)(NSInteger index);
+typedef void (^IndexChangeBlock)(NSUInteger index, BOOL isChange);
 typedef NSAttributedString *(^HMTitleFormatterBlock)(HMSegmentedControl *segmentedControl, NSString *title, NSUInteger index, BOOL selected);
 
 typedef NS_ENUM(NSInteger, HMSegmentedControlSelectionStyle) {
diff --git a/HMSegmentedControl/HMSegmentedControl.m b/HMSegmentedControl/HMSegmentedControl.m
index abfcefa1..238eaf69 100755
--- a/HMSegmentedControl/HMSegmentedControl.m
+++ b/HMSegmentedControl/HMSegmentedControl.m
@@ -804,6 +804,11 @@ - (void)touchesEnded:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event {
             // Check if we have to do anything with the touch event
             if (self.isTouchEnabled)
                 [self setSelectedSegmentIndex:segment animated:self.shouldAnimateUserSelection notify:YES];
+        }else {
+            //Handle the index not changed
+            if (self.indexChangeBlock) {
+                self.indexChangeBlock(segment, NO);
+            }
         }
     }
 }
@@ -939,7 +944,7 @@ - (void)notifyForSegmentChangeToIndex:(NSInteger)index {
         [self sendActionsForControlEvents:UIControlEventValueChanged];
     
     if (self.indexChangeBlock)
-        self.indexChangeBlock(index);
+        self.indexChangeBlock(index, YES);
 }
 
 #pragma mark - Styling Support
diff --git a/HMSegmentedControlExample/ViewController.m b/HMSegmentedControlExample/ViewController.m
index 859e6720..8540e85a 100644
--- a/HMSegmentedControlExample/ViewController.m
+++ b/HMSegmentedControlExample/ViewController.m
@@ -80,8 +80,8 @@ - (void)viewDidLoad {
 //     Segmented control with more customization and indexChangeBlock
     HMSegmentedControl *segmentedControl3 = [[HMSegmentedControl alloc] initWithSectionTitles:@[@"One", @"Two", @"Three", @"4", @"Five"]];
     [segmentedControl3 setFrame:CGRectMake(0, 180, viewWidth, 50)];
-    [segmentedControl3 setIndexChangeBlock:^(NSInteger index) {
-        NSLog(@"Selected index %ld (via block)", (long)index);
+    [segmentedControl3 setIndexChangeBlock:^(NSUInteger index, BOOL isChange) {
+        NSLog(@"Selected index %ld,is changed %d", (long)index,isChange);
     }];
     segmentedControl3.selectionIndicatorHeight = 4.0f;
     segmentedControl3.backgroundColor = [UIColor colorWithRed:0.1 green:0.4 blue:0.8 alpha:1];
@@ -109,7 +109,7 @@ - (void)viewDidLoad {
     self.segmentedControl4.tag = 3;
     
     __weak typeof(self) weakSelf = self;
-    [self.segmentedControl4 setIndexChangeBlock:^(NSInteger index) {
+    [self.segmentedControl4 setIndexChangeBlock:^(NSUInteger index, BOOL isChange) {
         [weakSelf.scrollView scrollRectToVisible:CGRectMake(viewWidth * index, 0, viewWidth, 200) animated:YES];
     }];