Fix bug of key_not_found_exception
Fix bug of key_not_found_exception
bitsuperlab/cpp-play,dacsunlimited/dac_play,bitsuperlab/cpp-play,dacsunlimited/dac_play,bitsuperlab/cpp-play,dacsunlimited/dac_play,bitsuperlab/cpp-play,dacsunlimited/dac_play,bitsuperlab/cpp-play,dacsunlimited/dac_play,dacsunlimited/dac_play,bitsuperlab/cpp-play