update the fee contract for ad operation
update the fee contract for ad operation

dacsunlimited/dac_play,bitsuperlab/cpp-play,bitsuperlab/cpp-play,dacsunlimited/dac_play,dacsunlimited/dac_play,bitsuperlab/cpp-play,dacsunlimited/dac_play,dacsunlimited/dac_play,bitsuperlab/cpp-play,bitsuperlab/cpp-play,dacsunlimited/dac_play,bitsuperlab/cpp-play