about fabric-sdk-java


hi :
 I am chinese ,my english is not good!
I use the method queryblockbynumber in fabric SDK java to get the block information
But the previoushash obtained is like this : �Ub�˥q��]���;�ؙ�vʖL��V,�

I don't know why? and I found that all the values in blockinfo are like this, What should I do to get the normal value?

Thanks ! please ask me quickly,Because I've learned that it can't go on! Thanks ! Thanks! Thanks!


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