IOS UITextView漏洞无人管理

Question

！I have a navigation controller and it has a root view controller. There is a button on the root's view and once it is clicked, another controller is pushed. The second controller's view has a textview and everything I input something to it and press back button to pop, it gets a leak. the screen shot is as follows:

泄漏似乎是由无人管理引起的，但我没有将textview注册到任何无管理者。

顺便说一下，我使用ARC，第二个视图控制器的textView属性为：@property (nonatomic,strong) UITextView *descriptionTextView; textView在viewDidLoad中初始化为：

self.descriptionTextView = [[UITextView alloc]initWithFrame:CGRectMake(5, self.titleTextField.frame.origin.y + self.titleTextField.bounds.size.height + 10, 310, self.view.bounds.size.height - 214 - 40 - 10 - 14 - self.titleTextField.frame.origin.y - self.titleTextField.bounds.size.height)];
self.descriptionTextView.layer.cornerRadius = 0;
self.descriptionTextView.editable = YES;
self.descriptionTextView.userInteractionEnabled = YES;
self.descriptionTextView.layer.borderColor = [kColor_MainColor CGColor];
self.descriptionTextView.font = [UIFont fontWithName:@"ArialMT" size:18.0f];
self.descriptionTextView.contentInset = UIEdgeInsetsZero;
self.descriptionTextView.scrollEnabled = YES;
self.descriptionTextView.textColor = [UIColor colorWithRed:80/255.0 green:80/255.0 blue:80/255.0 alpha:1.0];
self.descriptionTextView.backgroundColor = [UIColor whiteColor];
self.descriptionTextView.delegate = self;