大神们,在win32上关于CC_DLL的类不能连接

大神们,在win32上关于CC_DLL的类不能连接,不知道是怎么回事:错误提示信息
Error 2 error LNK2019: unresolved external symbol “__declspec(dllimport) public: virtual __thiscall SLMBrokeLayerDelegate::~SLMBrokeLayerDelegate(void)” (_imp??1SLMBrokeLayerDelegate@@UAE@XZ) referenced in function __unwindfunclet$??0SLMAnimalPlayScene@@QAE@XZ$0 SLMAnimalPlayScene.obj