错误显示：direct access to Objective-C's isa is deprecated in favor of object_getClass()
BuildSetting中搜索 Direct usage of 'isa' 将 YES改为NO
如果用的cocospods导入的JSONKit,将pods的targets设置为JSONKit,然后去BuildSetting搜索Direct usage of 'isa' 将 YES改为NO
原文链接：https://www.f2er.com/json/289482.html