MangoPi R3刷机问题,到99%会提示失败

Copyright 2005-2009 Weston Schmidt, Harald Welte and OpenMoko Inc.
Copyright 2010-2016 Tormod Volden and Stefan Schmidt
This program is Free Software and has ABSOLUTELY NO WARRANTY
Please report bugs to

Invalid DFU suffix signature
A valid DFU suffix will be required in a future dfu-util release!!!
Opening DFU capable USB device…
ID 1f3a:1010
Run-time device DFU version 0110
Claiming USB DFU Interface…
Setting Alternate Setting #0
Determining device status: state = dfuIDLE, status = 0
dfuIDLE, continuing
DFU mode device DFU version 0110
Device returned transfer size 4096
Copying data from PC to DFU device
Download [======================== ] 99% 133677056 bytes failed!
state(10) = dfuERROR, status(14) = Something went wrong, but the device does not know what it was
can’t detach
Resetting USB to switch back to runtime mode