message: fix fee value
diff: @@ -135,7 +135,7 @@ const send = async (from, to, amount) => {
  unspents.forEach(({ txid, vout }) => tx.addInput(txid, vout, 0xfffffffe))
  tx.addOutput(to, fundValue)
  - if (skipValue > feeValue) {
  + if (skipValue > 546) {
  tx.addOutput(from, skipValue)
  }
  