第一个：array->isa = _JKArrayClass;

第二个：dictionary->isa = _JKDictionaryClass;

解决办法：

array->isa = _JKArrayClass; 改成：object_setClass(array,_JKArrayClass);

dictionary->isa = _JKDictionaryClass; 改成object_setClass(dictionary,_JKDictionaryClass);