报错Terminating app due to uncaught exception 'NSUnknownKeyException', reason: '[<__NSDictionaryI 0x7fdac26ea660> setValue:forUndefinedKey:]: this class is not key value coding-compliant for the key isDefault.
=> 只有可变的字典才能改变其中的值
转载于:https://www.cnblogs.com/LiuLady12138/p/4695652.html
相关资源：wifi密码字典，高达900M