diff --git a/LeftRightSlider/LeftRightSlider.xcodeproj/project.xcworkspace/xcshareddata/LeftRightSlider.xccheckout b/LeftRightSlider/LeftRightSlider.xcodeproj/project.xcworkspace/xcshareddata/LeftRightSlider.xccheckout
index 2208e21..32eb8eb 100644
--- a/LeftRightSlider/LeftRightSlider.xcodeproj/project.xcworkspace/xcshareddata/LeftRightSlider.xccheckout
+++ b/LeftRightSlider/LeftRightSlider.xcodeproj/project.xcworkspace/xcshareddata/LeftRightSlider.xccheckout
@@ -5,7 +5,7 @@
 	<key>IDESourceControlProjectFavoriteDictionaryKey</key>
 	<false/>
 	<key>IDESourceControlProjectIdentifier</key>
-	<string>44CA6F83-479A-416D-8DD8-397CAC0ABD47</string>
+	<string>B2B9F996-0A28-4402-8843-62EB27736233</string>
 	<key>IDESourceControlProjectName</key>
 	<string>LeftRightSlider</string>
 	<key>IDESourceControlProjectOriginsDictionary</key>
diff --git a/LeftRightSlider/LeftRightSlider.xcodeproj/project.xcworkspace/xcuserdata/apple.xcuserdatad/UserInterfaceState.xcuserstate b/LeftRightSlider/LeftRightSlider.xcodeproj/project.xcworkspace/xcuserdata/apple.xcuserdatad/UserInterfaceState.xcuserstate
index 8daf8bd..1acbcd7 100644
Binary files a/LeftRightSlider/LeftRightSlider.xcodeproj/project.xcworkspace/xcuserdata/apple.xcuserdatad/UserInterfaceState.xcuserstate and b/LeftRightSlider/LeftRightSlider.xcodeproj/project.xcworkspace/xcuserdata/apple.xcuserdatad/UserInterfaceState.xcuserstate differ
diff --git a/LeftRightSlider/LeftRightSlider/LRNavigationController/LRNavigationController.m b/LeftRightSlider/LeftRightSlider/LRNavigationController/LRNavigationController.m
index 231ce15..65b3dd0 100755
--- a/LeftRightSlider/LeftRightSlider/LRNavigationController/LRNavigationController.m
+++ b/LeftRightSlider/LeftRightSlider/LRNavigationController/LRNavigationController.m
@@ -80,7 +80,7 @@ - (UIViewController *)popViewControllerAnimated:(BOOL)animated
 
 -(void)pushViewControllerWithLRAnimated:(UIViewController *)viewController{
     
-    if (_unGestureDic==nil||[_unGestureDic valueForKey:NSStringFromClass([viewController class])]!=nil) {
+    if (_unGestureDic==nil||[_unGestureDic valueForKey:NSStringFromClass([viewController class])]==nil) {
         UIPanGestureRecognizer *recognizer = [[UIPanGestureRecognizer alloc]initWithTarget:self
                                                                                     action:@selector(paningGestureReceive:)];
         [recognizer delaysTouchesBegan];