message: Update the number of PoS block to wait until start the PoS miner
diff: @@ -759,7 +759,7 @@ void ThreadStakeMiner(CWallet *pwallet)
  }
  //check the next block height, wait for PoS
  - if (chainActive.Tip()->nHeight + 1 < Params().GetConsensus().nLastPOWBlock)
  + if (chainActive.Tip()->nHeight < Params().GetConsensus().nLastPOWBlock)
  {
  MilliSleep(60000);
  continue;
  