The UITextView link is clickable, but when I click on it, Safari doesn't open

Question

I set this two important variables for an interactive link, but when I click on the content link in a UITextView , Safari does not open.

Does anyone know what the problem is?

 @property (strong, nonatomic) UITextView *attachmentDescription; { self.attachmentDescription.editable = NO; self.attachmentDescription.dataDetectorTypes =UIDataDetectorTypeLink; }