diff --git a/Core/Lyra.Core/BlockChain.cs b/Core/Lyra.Core/BlockChain.cs
index 4ce344e95..88f1a4af9 100644
--- a/Core/Lyra.Core/BlockChain.cs
+++ b/Core/Lyra.Core/BlockChain.cs
@@ -218,6 +218,7 @@ private void CreateStateMachine()
                 {
                     while(true)
                     {
+                        _log.LogInformation($"Blockchain Startup... ");
                         while (Neo.Network.P2P.LocalNode.Singleton.ConnectedCount < 2)
                         {
                             await Task.Delay(1000);
@@ -232,6 +233,7 @@ private void CreateStateMachine()
 
                         await Task.Delay(10000);
 
+                        _log.LogInformation($"Querying billboard... ");
                         var board = await _sys.Consensus.Ask<BillBoard>(new AskForBillboard());
                         var q = from ns in _nodeStatus
                                 where board.PrimaryAuthorizers != null && board.PrimaryAuthorizers.Contains(ns.accountId)
diff --git a/Core/Lyra.Core/Decentralize/ConsensusService.cs b/Core/Lyra.Core/Decentralize/ConsensusService.cs
index f09c86fbe..0783bcca4 100644
--- a/Core/Lyra.Core/Decentralize/ConsensusService.cs
+++ b/Core/Lyra.Core/Decentralize/ConsensusService.cs
@@ -225,22 +225,26 @@ public ConsensusService(DagSystem sys, IActorRef localNode, IActorRef blockchain
                 int count = 0;
                 while (true)
                 {
-                    //var blockchainStatus = await blockchain.Ask<NodeStatus>(new BlockChain.QueryBlockchainStatus());
-                    //if (blockchainStatus.state == BlockChainState.Almighty)
-                    //{
+                    try
+                    {
+                        _log.LogWarning("starting maintaince loop... ");
                         await StateMaintainceAsync();
-                    //}
 
-                    await Task.Delay(15000).ConfigureAwait(false);
+                        await Task.Delay(15000).ConfigureAwait(false);
 
-                    HeartBeat();
+                        HeartBeat();
 
-                    count++;
+                        count++;
 
-                    if (count > 4 * 5)     // 5 minutes
-                    {
+                        if (count > 4 * 5)     // 5 minutes
+                        {
 
-                        count = 0;
+                            count = 0;
+                        }
+                    }
+                    catch(Exception ex)
+                    {
+                        _log.LogWarning("In maintaince loop: " + ex.ToString());
                     }
                 }
             });
@@ -385,14 +389,23 @@ private async Task StateMaintainceAsync()
                 }
 
                 //if necessary, insert a new ConsolidateBlock
-                if (IsThisNodeSeed0)
+                var blockchainStatus = await _blockchain.Ask<NodeStatus>(new BlockChain.QueryBlockchainStatus());
+                if (IsThisNodeSeed0 && blockchainStatus.state == BlockChainState.Almighty)
                 {
                     //// test code
                     //var livingPosNodeIds = _board.AllNodes.Keys.ToArray();
                     //_lastVotes = _sys.Storage.FindVotes(livingPosNodeIds);
                     //// end test code
-                    
-                    if(await CheckPrimaryNodesStatus())
+                    bool allNodeSyncd = false;
+                    try
+                    {
+                        allNodeSyncd = true;// await CheckPrimaryNodesStatus();
+                    }
+                    catch(Exception ex)
+                    {
+                        _log.LogWarning("Exception in CheckPrimaryNodesStatus: " + ex.ToString());
+                    }
+                    if(allNodeSyncd)
                     {
                         var unConsList = await _sys.Storage.GetAllUnConsolidatedBlockHashesAsync();
                         var lastConsBlock = await _sys.Storage.GetLastConsolidationBlockAsync();