你没有给我们足够的信息来重复，也不够分析你的代码。能不能提供更多信息，说明表格中哪个项目应该提供文件名，你期望​​的结果以及实际得到的结果。

You don't give us enough information to repro, nor enough to analyse your code. Could you please provide more information about which item in the table is supposed to be providing the file name, the result you expect and the result you're actually getting.