reason: Attempted to dereference an invalid ObjC Object or send it an unrecognized selector.

 album = responseObject[ @"album" ];

是我将一个字典直接赋值给了对象
改为如下即可

[album  setValuesForKeysWithDictionary :responseObject[ @"album"]];

你可能感兴趣的:(ios,xcode)