Assigning retained object to unsafe property;object will be released after assignment 本文转载至 http://blog.csdn.net/cerastes/article/details/38047425 warningAssigning retainedunsafe propertyassignment 解决方法,将变量 [objc] view plaincopy @property (assign) UILabel *titleView; 改为 [objc] view plaincopy @property (retain) UILabel *titleView;