reason: '-[UIViewController _loadViewFromNibNamed:bundle:] loaded the "SZLReWardView" nib but the

reason: ‘-[UIViewController _loadViewFromNibNamed:bundle:] loaded the “SZLReWardView” nib but the view outlet was not set.’

SZLReWardViewControlle会找SZLReWardViewControll，SZLReWardView的xib加载,因此就会在运行的时候报错。