错误：'ItemStatus'尚未声明

Question

在global.h中

enum class ItemStatus {
    INQUEUE,
    FINISHED,
    PAUSE,
    STOP,
    RUNNING
};

在downloaditem.h中

class DownloadItem
{
Private:
        ItemStatus status;
public:
   void setItemStatus(const ItemStatus _status)  { this->status = _status; }
};