我的是upload不了文件到SD卡里 我用读卡器先存了一个文件进去,结果文件名后缀也变成.gco,打印软件没办法读取文件 出错信息如下: Begin file list 鸟笼~1.GCO End file list Attempted to write invalid text to console, which could be due to an invalid baudrate Attempted to write invalid text to console, which could be due to an invalid baudrate 求解!