ok6410一键烧写linux时，出错

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ok6410一键烧写时，出现如下错误信息：
riting data at 0x6cc000 --  96
Writing data at 0x6d9000 --  97
Writing data at 0x6e6000 --  98
Writing data at 0x6f3000 --  99
Writing data at 0x6ff000 -- 100
5242880 bytes written: OK

** Unable to use mmc 0:1 for fatload **

NAND write: device 0 offset 0x700000, size 0x3f900000
Input block length is not page aligned
Data did not fit into device, due to bad blocks
1066401792 bytes written: ERROR
怎么解决