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楼主,我复制了这条命令进去 mv /mnt/base-mmc/opt/amazon/screen_saver/600d7800 /mnt/base-mmc/opt/amazon/screen_saver/600x800_bak结果却提示mv: can't rename /mnt/base-mmc/opt/amazon/screen_saver/600d7800 : No such file or dtcireory这是什么情况呢?