Revert description of contract, add how to involve
Revert description of contract, add how to involve

Revolution1/daochain,DaoCloud/dao-chain,hainesc/daochain,DaoCloud/dao-chain,DaoCloud/dao-chain,DaoCloud/daochain,DaoCloud/dao-chain,Revolution1/daochain,DaoCloud/daochain,hainesc/daochain,Revolution1/daochain,hainesc/daochain,hainesc/daochain,Revolution1/daochain,DaoCloud/daochain,DaoCloud/daochain