比如我想合并甲子园的那个第383集,结果产生错误“Error: The file no. 0 ('E:\[APTX4869][CONAN][383][XVID_BF][CD1].mkv') does not contain a track with the ID 0, or that track is not to be copied. Therefore no track can be appended to it. The argument for '--append-to' was invalid.”