message: fix fiat amount NAN
diff: @@ -356,7 +356,7 @@ export default class WithdrawModal extends React.Component {
  }
  sellAllBalance = async () => {
  - const { balance, isEthToken, usedAdminFee, currentDecimals } = this.state
  + const { balance, isEthToken, usedAdminFee, currentDecimals, exCurrencyRate } = this.state
  const {
  data: { currency },
  @@ -378,6 +378,7 @@ export default class WithdrawModal extends React.Component {
  this.setState({
  amount: BigNumber(balanceMiner.dp(currentDecimals, BigNumber.ROUND_FLOOR)),
  + fiatAmount: balanceMiner ? (balanceMiner * exCurrencyRate).toFixed(2) : '',
  })
  }
  