    function comfirmIsses(uint _value) public onlyREVIEWER {
        require(params[ISSUE_METHOD].value == _value);
        require(params[ISSUE_METHOD].state == true);
        balances[assetOwner]=balances[assetOwner].add(_value);
        totalSupply_ = totalSupply_.add(_value);
        params[ISSUE_METHOD].state=false; 
        emit ComfirmIsses(msg.sender,_value);
    }