我对Git很新，遇到了一个我不理解但在搜索中找不到的问题。我试图藏匿两个需要删除的文件，但我不能和我一直收到错误。最新错误如下。
docroot/sites/all/libraries/wurfl/resources/storage/persistence/1/9/94e44b4e8fd47b34c1646f46907e0e: needs merge
docroot/sites/all/libraries/wurfl/resources/storage/persistence/1/9/94e44b4e8fd47b34c1646f46907e0e: needs merge
docroot/sites/all/libraries/wurfl/resources/storage/persistence/1/9/94e44b4e8fd47b34c1646f46907e0e: unmerged (6f6312822c4d0d0b8ec02807d79da076e3c0db5d)
docroot/sites/all/libraries/wurfl/resources/storage/persistence/1/9/94e44b4e8fd47b34c1646f46907e0e: unmerged (2ae4144909e1c3dce145acc19510a15ac3e09ece)
fatal: git-write-tree: error building trees
Cannot save the current index state
我怎样才能藏匿这些因为我不需要它们？任何帮助都是极好的！！！ 感谢