/// <summary>
        /// 缓存加载的资源
        /// </summary>
        void CacheResource(string path, ref ResourceItem item, uint crc, Object obj, int addrefcount = 1)
        {
            if (m_NoRefrenceAssetMapList.Find(item))
            {
                m_NoRefrenceAssetMapList.Remove(item);
            }

            //缓存太多,清除最早没有使用的资源
            WashOut();

            if (item == null)
            {
                ZLogger.Error("ResourceItem is null, path : {0}", path);
            }
            if (obj == null)
            {
                ZLogger.Error("ResourceLoad Fail : {0}", path);
            }
            item.m_Obj         = obj;
            item.m_Guid        = obj.GetInstanceID();
            item.m_LastUseTime = Time.realtimeSinceStartup;
            item.RefCount     += addrefcount;
            ResourceItem oldItem = null;

            if (AssetDic.TryGetValue(item.m_Crc, out oldItem))
            {
                AssetDic[item.m_Crc] = item;
            }
            else
            {
                AssetDic.Add(item.m_Crc, item);
            }
        }
 /// <summary>
 /// 缓存资源
 /// </summary>
 /// <param name="path"></param>
 /// <param name="item"></param>
 /// <param name="obj"></param>
 /// <param name="addRefCount"></param>
 void CacheResource(string path, ref ResourceItem item, Object obj, int addRefCount = 1)
 {
     if (item == null)
     {
         Debug.LogError("ResourceManager CacheResource:ResoutceItem is null" + " path:" + path);
         return;
     }
     if (obj == null)
     {
         Debug.LogError("ResourceManager CacheResource:Object is null" + " path:" + path);
         return;
     }
     item.m_Obj         = obj;
     item.m_Guid        = obj.GetInstanceID();
     item.RefCount     += addRefCount;
     item.m_LastUseTime = Time.realtimeSinceStartup;
     if (AssetDic.ContainsKey(item.m_Crc))
     {
         AssetDic[item.m_Crc] = item;
     }
     else
     {
         AssetDic.Add(item.m_Crc, item);
     }
 }