segue如何仅适用于某些指定的按钮

I'm doing a project by using Xcode. I have four buttons, two of them are to pass data between views, and want the other two for just jumping to another view without passing any data. The first two perform very well, pass data to another view. But when I click the rest two, the app crashes by saying:I'm doing a project by using Xcode. I have four