Bootloader problem

[republique]

Hello~
I think the bootloader on my board(pibot2.0) is broken.
Can I fix the my bootloader?
I have Uno and Mega Arduino boards. so can I connect to the ICSP and install the bootloader?
I hope to hear back soon.

[888999]

sorry，only the rev2.3 can refix by the tool。 the 2.0 can not