function changeFee(uint32 _newFee) external whenNotPaused {
    if (msg.sender != TIME_LOCK_ADDRESS) revert OnlyTimeLock();
    if (_newFee > MAX_PROTOCOL_FEE) {
        revert BadProtocolFee();
    }

    _addInterest(); //+++++++++++++++++++++++++++++++++

    currentRateInfo.feeToProtocolRate = _newFee;
    emit ChangeFee(_newFee);
}
