add command line to select contract:
add command line to select contract:

linkmax91/bitquant,joequant/bitquant,joequant/bitquant,linkmax91/bitquant,joequant/bitquant,linkmax91/bitquant,joequant/bitquant,linkmax91/bitquant,linkmax91/bitquant,linkmax91/bitquant,joequant/bitquant