block should copy

12207480 · 12207480 · commit 20be044fd38b · 2015-11-18T08:51:26.000+08:00
diff --git a/TYAlertControllerDemo/TYAlertController/TYAlertController.h b/TYAlertControllerDemo/TYAlertController/TYAlertController.h
@@ -43,10 +43,10 @@ typedef NS_ENUM(NSInteger, TYAlertTransitionAnimation) {
 @property (nonatomic, assign) CGFloat actionSheetStyleEdging; // default 0
 
 // 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);
