Update README.md

12207480 · 12207480 · commit d268fb3b8b82 · 2015-11-18T08:52:00.000+08:00
diff --git a/README.md b/README.md
@@ -26,10 +26,10 @@ pod 'TYAlertController', '~> 1.1.2'
 * alertView lifecycle block
 ```objc
 // alertView lifecycle block
-@property (strong, nonatomic) void (^viewWillShowHandler)(UIView *alertView);
-@property (strong, nonatomic) void (^viewDidShowHandler)(UIView *alertView);
-@property (strong, nonatomic) void (^viewWillHideHandler)(UIView *alertView);
-@property (strong, nonatomic) void (^viewDidHideHandler)(UIView *alertView);
+@property (copy, nonatomic) void (^viewWillShowHandler)(UIView *alertView);
+@property (copy, nonatomic) void (^viewDidShowHandler)(UIView *alertView);
+@property (copy, nonatomic) void (^viewWillHideHandler)(UIView *alertView);
+@property (copy, nonatomic) void (^viewDidHideHandler)(UIView *alertView);
 
 // dismiss controller completed block
 @property (nonatomic, copy) void (^dismissComplete)(void);
