diff --git a/protobuf/profit_contract.proto b/protobuf/profit_contract.proto
index 12fb4bef47..445b981142 100644
--- a/protobuf/profit_contract.proto
+++ b/protobuf/profit_contract.proto
@@ -120,6 +120,7 @@ message ReleaseProfitInput {
     Hash profit_id = 1;
     sint64 period = 2;
     sint64 amount = 3;
+    sint64 total_weight = 4;
 }
 
 message ProfitDetails {
diff --git a/src/AElf.Contracts.Consensus.AEDPoS/AElfConsensusContract.cs b/src/AElf.Contracts.Consensus.AEDPoS/AEDPoSContract.cs
similarity index 99%
rename from src/AElf.Contracts.Consensus.AEDPoS/AElfConsensusContract.cs
rename to src/AElf.Contracts.Consensus.AEDPoS/AEDPoSContract.cs
index 0a9fb5f5d3..90d3a29a0c 100644
--- a/src/AElf.Contracts.Consensus.AEDPoS/AElfConsensusContract.cs
+++ b/src/AElf.Contracts.Consensus.AEDPoS/AEDPoSContract.cs
@@ -212,7 +212,7 @@ private void TryToFindLastIrreversibleBlock()
                 Context.LogDebug(() => $"LIB found, offset is {offset}");
                 Context.Fire(new IrreversibleBlockFound()
                 {
-                    Offset = offset.Mul(AElfConsensusContractConstants.TinyBlocksNumber)
+                    Offset = offset.Mul(AEDPoSContractConstants.TinyBlocksNumber)
                 });
             }
         }
diff --git a/src/AElf.Contracts.Consensus.AEDPoS/AElfConsensusContractConstants.cs b/src/AElf.Contracts.Consensus.AEDPoS/AEDPoSContractConstants.cs
similarity index 65%
rename from src/AElf.Contracts.Consensus.AEDPoS/AElfConsensusContractConstants.cs
rename to src/AElf.Contracts.Consensus.AEDPoS/AEDPoSContractConstants.cs
index a6164599a9..b882e0c3cd 100644
--- a/src/AElf.Contracts.Consensus.AEDPoS/AElfConsensusContractConstants.cs
+++ b/src/AElf.Contracts.Consensus.AEDPoS/AEDPoSContractConstants.cs
@@ -1,6 +1,6 @@
 namespace AElf.Contracts.Consensus.AEDPoS
 {
-    public static class AElfConsensusContractConstants
+    public static class AEDPoSContractConstants
     {
         public const int TinyBlocksNumber = 8;
     }
diff --git a/src/AElf.Contracts.Consensus.AEDPoS/HelpMethods.cs b/src/AElf.Contracts.Consensus.AEDPoS/HelpMethods.cs
index 7e9a7f4042..438c3fafe1 100644
--- a/src/AElf.Contracts.Consensus.AEDPoS/HelpMethods.cs
+++ b/src/AElf.Contracts.Consensus.AEDPoS/HelpMethods.cs
@@ -50,7 +50,7 @@ private AElfConsensusBehaviour GetBehaviour(string publicKey, DateTime dateTime,
                 
                 if (currentRound.ExtraBlockProducerOfPreviousRound == publicKey &&
                     dateTime < currentRound.GetStartTime() &&
-                    minerInRound.ProducedTinyBlocks < AElfConsensusContractConstants.TinyBlocksNumber)
+                    minerInRound.ProducedTinyBlocks < AEDPoSContractConstants.TinyBlocksNumber)
                 {
                     return AElfConsensusBehaviour.TinyBlock;
                 }
@@ -61,12 +61,12 @@ private AElfConsensusBehaviour GetBehaviour(string publicKey, DateTime dateTime,
                     return AElfConsensusBehaviour.UpdateValue;
                 }
             }
-            else if (minerInRound.ProducedTinyBlocks < AElfConsensusContractConstants.TinyBlocksNumber)
+            else if (minerInRound.ProducedTinyBlocks < AEDPoSContractConstants.TinyBlocksNumber)
             {
                 return AElfConsensusBehaviour.TinyBlock;
             }
             else if (currentRound.ExtraBlockProducerOfPreviousRound == publicKey &&
-                     minerInRound.ProducedTinyBlocks < AElfConsensusContractConstants.TinyBlocksNumber.Mul(2))
+                     minerInRound.ProducedTinyBlocks < AEDPoSContractConstants.TinyBlocksNumber.Mul(2))
             {
                 return AElfConsensusBehaviour.TinyBlock;
             }
@@ -143,22 +143,22 @@ private ConsensusCommand GetConsensusCommand(AElfConsensusBehaviour behaviour, R
                         if (currentRound.ExtraBlockProducerOfPreviousRound != publicKey)
                         {
                             expectedMiningTime = expectedMiningTime.ToDateTime().AddMilliseconds(producedTinyBlocks
-                                    .Mul(miningInterval).Div(AElfConsensusContractConstants.TinyBlocksNumber))
+                                    .Mul(miningInterval).Div(AEDPoSContractConstants.TinyBlocksNumber))
                                 .ToTimestamp();
                         }
                         else
                         {
                             // EBP of previous round will produce double tiny blocks. This is for normal time slot of current round.
                             expectedMiningTime = expectedMiningTime.ToDateTime().AddMilliseconds(producedTinyBlocks
-                                .Sub(AElfConsensusContractConstants.TinyBlocksNumber)
-                                .Mul(miningInterval).Div(AElfConsensusContractConstants.TinyBlocksNumber)).ToTimestamp();
+                                .Sub(AEDPoSContractConstants.TinyBlocksNumber)
+                                .Mul(miningInterval).Div(AEDPoSContractConstants.TinyBlocksNumber)).ToTimestamp();
                         }
                     }
                     else if (previousRound != null)
                     {
                         // EBP of previous round will produce double tiny blocks. This is for extra time slot of previous round.
                         expectedMiningTime = previousRound.GetExtraBlockMiningTime().AddMilliseconds(producedTinyBlocks
-                            .Mul(miningInterval).Div(AElfConsensusContractConstants.TinyBlocksNumber)).ToTimestamp();
+                            .Mul(miningInterval).Div(AEDPoSContractConstants.TinyBlocksNumber)).ToTimestamp();
                     }
 
                     nextBlockMiningLeftMilliseconds =
@@ -192,7 +192,7 @@ private ConsensusCommand GetConsensusCommand(AElfConsensusBehaviour behaviour, R
             {
                 ExpectedMiningTime = expectedMiningTime,
                 NextBlockMiningLeftMilliseconds = nextBlockMiningLeftMilliseconds,
-                LimitMillisecondsOfMiningBlock = miningInterval / AElfConsensusContractConstants.TinyBlocksNumber,
+                LimitMillisecondsOfMiningBlock = miningInterval / AEDPoSContractConstants.TinyBlocksNumber,
                 Hint = hint
             };
         }
diff --git a/src/AElf.Contracts.Consensus.AEDPoS/ViewMethods.cs b/src/AElf.Contracts.Consensus.AEDPoS/ViewMethods.cs
index 12d7ac4ec3..71690583cc 100644
--- a/src/AElf.Contracts.Consensus.AEDPoS/ViewMethods.cs
+++ b/src/AElf.Contracts.Consensus.AEDPoS/ViewMethods.cs
@@ -621,8 +621,16 @@ private string GetNextAvailableMinerPublicKey(Round round)
 
         private int GetMinersCount()
         {
-            return ((int) Context.CurrentBlockTime.Subtract(State.BlockchainStartTimestamp.Value.ToDateTime())
-                .TotalDays).Div(7);
+            if (TryToGetRoundInformation(1, out var firstRound))
+            {
+                // TODO: Maybe this should according to date, like every July 1st we increase 2 miners.
+                var initialMinersCount = firstRound.RealTimeMinersInformation.Count;
+                return initialMinersCount.Add(((int) Context.CurrentBlockTime
+                    .Subtract(State.BlockchainStartTimestamp.Value.ToDateTime())
+                    .TotalDays).Div(365).Mul(2));
+            }
+
+            return 0;
         }
     }
 }
\ No newline at end of file
diff --git a/src/AElf.Contracts.Election/ElectionContractState.cs b/src/AElf.Contracts.Election/ElectionContractState.cs
index 6e118c4754..d772d509e4 100644
--- a/src/AElf.Contracts.Election/ElectionContractState.cs
+++ b/src/AElf.Contracts.Election/ElectionContractState.cs
@@ -50,6 +50,7 @@ public partial class ElectionContractState : ContractState
         public SingletonState<int> TimeEachTerm { get; set; }
 
         public SingletonState<Hash> MinerElectionVotingItemId { get; set; }
-
+        
+        public SingletonState<long> CachedWelfareWeight { get; set; }
     }
 }
\ No newline at end of file
diff --git a/src/AElf.Contracts.Election/ElectionContract_Treasury.cs b/src/AElf.Contracts.Election/ElectionContract_Treasury.cs
index 633a12aa97..73e9ece517 100644
--- a/src/AElf.Contracts.Election/ElectionContract_Treasury.cs
+++ b/src/AElf.Contracts.Election/ElectionContract_Treasury.cs
@@ -205,8 +205,12 @@ private void ReleaseTreasurySubProfitItems(long termNumber)
             State.ProfitContract.ReleaseProfit.Send(new ReleaseProfitInput
             {
                 ProfitId = State.WelfareHash.Value,
-                Period = termNumber > 1 ? termNumber - 1 : -1
+                Period = termNumber > 1 ? termNumber - 1 : -1,
+                TotalWeight = State.CachedWelfareWeight.Value
             });
+
+            State.CachedWelfareWeight.Value =
+                State.ProfitContract.GetProfitItem.Call(State.WelfareHash.Value).TotalWeight;
         }
 
         private void UpdateTreasurySubItemsWeights(long termNumber)
diff --git a/src/AElf.Contracts.Profit/ProfitContract.cs b/src/AElf.Contracts.Profit/ProfitContract.cs
index 2c7b891307..957240eb60 100644
--- a/src/AElf.Contracts.Profit/ProfitContract.cs
+++ b/src/AElf.Contracts.Profit/ProfitContract.cs
@@ -51,6 +51,7 @@ public override Hash CreateProfitItem(CreateProfitItemInput input)
             {
                 profitId = Hash.FromTwoHashes(profitId, createdProfitIds.Last());
             }
+
             State.ProfitItemsMap[profitId] = new ProfitItem
             {
                 VirtualAddress = Context.ConvertVirtualAddressToContractAddress(profitId),
@@ -75,7 +76,7 @@ public override Hash CreateProfitItem(CreateProfitItemInput input)
             }
 
             State.CreatedProfitItemsMap[Context.Sender] = createdProfitItems;
-            
+
             Context.LogDebug(() => $"Created profit item {profitId}");
             return profitId;
         }
@@ -145,7 +146,7 @@ public override Empty AddWeight(AddWeightInput input)
             {
                 return new Empty();
             }
-            
+
             Assert(input.EndPeriod >= profitItem.CurrentPeriod, "Invalid end period.");
 
             profitItem.TotalWeight += input.Weight;
@@ -181,6 +182,8 @@ public override Empty AddWeight(AddWeightInput input)
             }
             
             State.ProfitDetailsMap[profitId][input.Receiver] = currentProfitDetails;
+            
+            Context.LogDebug(() => $"Add {input.Weight} weights to profit item {input.ProfitId.ToHex()}");
 
             return new Empty();
         }
@@ -277,6 +280,8 @@ public override Empty ReleaseProfit(ReleaseProfitInput input)
                 return new Empty();
             }
 
+            var totalWeight = input.TotalWeight == 0 ? profitItem.TotalWeight : input.TotalWeight;
+
             Assert(Context.Sender == profitItem.Creator, "Only creator can release profits.");
 
             var profitVirtualAddress = Context.ConvertVirtualAddressToContractAddress(input.ProfitId);
@@ -294,17 +299,17 @@ public override Empty ReleaseProfit(ReleaseProfitInput input)
                 input.Amount = balance;
             }
 
-            if (input.Period < 0 || profitItem.TotalWeight <= 0)
+            if (input.Period < 0 || totalWeight <= 0)
             {
+                profitItem.CurrentPeriod = input.Period > 0 ? input.Period.Add(1) : profitItem.CurrentPeriod;
+
                 // Release to an address no one can receive profits.
-                
                 if (input.Amount <= 0)
                 {
+                    State.ProfitItemsMap[input.ProfitId] = profitItem;
                     return new Empty();
                 }
 
-                profitItem.CurrentPeriod = input.Period > 0 ? input.Period.Add(1) : profitItem.CurrentPeriod;
-
                 if (input.Period >= 0)
                 {
                     input.Period = -1;
@@ -320,7 +325,7 @@ public override Empty ReleaseProfit(ReleaseProfitInput input)
                     Amount = input.Amount,
                     Symbol = profitItem.TokenSymbol
                 });
-                profitItem.TotalAmount -= input.Amount;
+                profitItem.TotalAmount = profitItem.TotalAmount.Sub(input.Amount);
                 State.ProfitItemsMap[input.ProfitId] = profitItem;
                 return new Empty();
             }
@@ -328,7 +333,8 @@ public override Empty ReleaseProfit(ReleaseProfitInput input)
             // Update current_period.
             var releasingPeriod = profitItem.CurrentPeriod;
 
-            Assert(input.Period == releasingPeriod, $"Invalid period. When release profit item {input.ProfitId.ToHex()} of period {input.Period}");
+            Assert(input.Period == releasingPeriod,
+                $"Invalid period. When release profit item {input.ProfitId.ToHex()} of period {input.Period}. Current period is {releasingPeriod}");
 
             var profitsReceivingVirtualAddress =
                 GetReleasedPeriodProfitsVirtualAddress(profitVirtualAddress, releasingPeriod);
@@ -338,29 +344,33 @@ public override Empty ReleaseProfit(ReleaseProfitInput input)
             {
                 releasedProfitInformation = new ReleasedProfitsInformation
                 {
-                    TotalWeight = profitItem.TotalWeight,
+                    TotalWeight = totalWeight,
                     ProfitsAmount = input.Amount,
                     IsReleased = true
                 };
             }
             else
             {
-                releasedProfitInformation.TotalWeight = profitItem.TotalWeight;
+                releasedProfitInformation.TotalWeight = totalWeight;
                 releasedProfitInformation.ProfitsAmount += input.Amount;
                 releasedProfitInformation.IsReleased = true;
             }
 
             State.ReleasedProfitsMap[profitsReceivingVirtualAddress] = releasedProfitInformation;
 
+            Context.LogDebug(() =>
+                $"Released profit information of {input.ProfitId.ToHex()} in period {input.Period}, " +
+                $"total weight {releasedProfitInformation.TotalWeight}, total amount {releasedProfitInformation.ProfitsAmount}");
+
             // Start releasing.
-            
+
             var remainAmount = input.Amount;
 
             foreach (var subProfitItem in profitItem.SubProfitItems)
             {
                 var subItemVirtualAddress = Context.ConvertVirtualAddressToContractAddress(subProfitItem.ProfitId);
 
-                var amount = subProfitItem.Weight.Mul(input.Amount).Div(profitItem.TotalWeight);
+                var amount = subProfitItem.Weight.Mul(input.Amount).Div(totalWeight);
                 if (amount != 0)
                 {
                     State.TokenContract.TransferFrom.Send(new TransferFromInput
@@ -468,6 +478,8 @@ public override Empty AddProfits(AddProfitsInput input)
 
         public override Empty Profit(ProfitInput input)
         {
+            Context.LogDebug(() => $"{Context.Sender} is trying to profit from {input.ProfitId.ToHex()}.");
+
             var profitItem = State.ProfitItemsMap[input.ProfitId];
             Assert(profitItem != null, "Profit item not found.");
 
@@ -482,7 +494,8 @@ public override Empty Profit(ProfitInput input)
 
             var profitVirtualAddress = Context.ConvertVirtualAddressToContractAddress(input.ProfitId);
 
-            var availableDetails = profitDetails.Details.Where(d => d.LastProfitPeriod != profitItem.CurrentPeriod).ToList();
+            var availableDetails = profitDetails.Details.Where(d => d.LastProfitPeriod != profitItem.CurrentPeriod)
+                .ToList();
 
             for (var i = 0; i < Math.Min(ProfitContractConsts.ProfitLimit, availableDetails.Count); i++)
             {
@@ -502,15 +515,18 @@ public override Empty Profit(ProfitInput input)
                     var releasedProfitsVirtualAddress =
                         GetReleasedPeriodProfitsVirtualAddress(profitVirtualAddress, period);
                     var releasedProfitsInformation = State.ReleasedProfitsMap[releasedProfitsVirtualAddress];
-                    if (releasedProfitsInformation.IsReleased)
+                    var amount = profitDetail.Weight.Mul(releasedProfitsInformation.ProfitsAmount)
+                        .Div(releasedProfitsInformation.TotalWeight);
+                    var period1 = period;
+                    Context.LogDebug(() => $"{Context.Sender} is profiting {amount} tokens from {input.ProfitId.ToHex()} in period {period1}");
+                    if (releasedProfitsInformation.IsReleased && amount > 0)
                     {
                         State.TokenContract.TransferFrom.Send(new TransferFromInput
                         {
                             From = releasedProfitsVirtualAddress,
                             To = Context.Sender,
                             Symbol = profitItem.TokenSymbol,
-                            Amount = profitDetail.Weight.Mul(releasedProfitsInformation.ProfitsAmount)
-                                .Div(releasedProfitsInformation.TotalWeight)
+                            Amount = amount
                         });
                     }
 
@@ -524,6 +540,5 @@ public override Empty Profit(ProfitInput input)
 
             return new Empty();
         }
-
     }
-}
+}
\ No newline at end of file
diff --git a/src/AElf.Contracts.Profit/ViewMethods.cs b/src/AElf.Contracts.Profit/ViewMethods.cs
index 726fab9584..39273eb4e9 100644
--- a/src/AElf.Contracts.Profit/ViewMethods.cs
+++ b/src/AElf.Contracts.Profit/ViewMethods.cs
@@ -28,7 +28,8 @@ public override ReleasedProfitsInformation GetReleasedProfitsInformation(
         {
             var virtualAddress = Context.ConvertVirtualAddressToContractAddress(input.ProfitId);
             var releasedProfitsVirtualAddress = GetReleasedPeriodProfitsVirtualAddress(virtualAddress, input.Period);
-            return State.ReleasedProfitsMap[releasedProfitsVirtualAddress];
+            return State.ReleasedProfitsMap[releasedProfitsVirtualAddress] ?? new ReleasedProfitsInformation
+                       {ProfitsAmount = -1, TotalWeight = -1};
         }
 
         public override ProfitDetails GetProfitDetails(GetProfitDetailsInput input)
diff --git a/src/AElf.OS/Jobs/BlockSyncJob.cs b/src/AElf.OS/Jobs/BlockSyncJob.cs
index 38862a5971..5c2b32304b 100644
--- a/src/AElf.OS/Jobs/BlockSyncJob.cs
+++ b/src/AElf.OS/Jobs/BlockSyncJob.cs
@@ -17,7 +17,6 @@ public class BlockSyncJob
     {
         private const long InitialSyncLimit = 10;
         private const int BlockSyncJobLimit = 200;
-        private const int BlockSyncWaitTime = 5000;
 
         private readonly IBlockchainService _blockchainService;
         private readonly INetworkService _networkService;
@@ -84,8 +83,7 @@ public async Task ExecuteAsync(BlockSyncJobArgs args)
                     if (chain.LongestChainHeight < blockHeight - BlockSyncJobLimit)
                     {
                         Logger.LogWarning($"Pause sync task and wait for synced block to be processed, best chain height: {chain.BestChainHeight}");
-                        await Task.Delay(BlockSyncWaitTime);
-                        continue;
+                        break;
                     }
 
                     Logger.LogDebug($"Request blocks start with {blockHash}");
diff --git a/test/AElf.Contracts.Consensus.AEDPoS.Tests/AElfConsensusContractTestBase.cs b/test/AElf.Contracts.Consensus.AEDPoS.Tests/AElfConsensusContractTestBase.cs
index 26c17c74bf..5f26d2bc69 100644
--- a/test/AElf.Contracts.Consensus.AEDPoS.Tests/AElfConsensusContractTestBase.cs
+++ b/test/AElf.Contracts.Consensus.AEDPoS.Tests/AElfConsensusContractTestBase.cs
@@ -40,7 +40,7 @@ public class AElfConsensusContractTestBase : ContractTestBase<AEDPoSContractTest
 
         protected const int MiningInterval = 4000;
 
-        protected const int SmallBlockMiningInterval = 500;
+        protected static int SmallBlockMiningInterval = MiningInterval.Div(AEDPoSContractConstants.TinyBlocksNumber);
 
         protected const long DaysEachTerm = 7;
 
diff --git a/test/AElf.Contracts.Consensus.AEDPoS.Tests/ConsensusCommonMethodsTests.cs b/test/AElf.Contracts.Consensus.AEDPoS.Tests/ConsensusCommonMethodsTests.cs
index 958dab3402..d4421d370b 100644
--- a/test/AElf.Contracts.Consensus.AEDPoS.Tests/ConsensusCommonMethodsTests.cs
+++ b/test/AElf.Contracts.Consensus.AEDPoS.Tests/ConsensusCommonMethodsTests.cs
@@ -36,7 +36,7 @@ public async Task AElfConsensusContract_UpdateValueInFirstRound()
                 var command = await BootMiner.GetConsensusCommand.CallAsync(new CommandInput
                     {PublicKey = ByteString.CopyFrom(BootMinerKeyPair.PublicKey)});
                 command.NextBlockMiningLeftMilliseconds.ShouldBe(MiningInterval);
-                command.LimitMillisecondsOfMiningBlock.ShouldBe(MiningInterval / AElfConsensusContractConstants.TinyBlocksNumber);
+                command.LimitMillisecondsOfMiningBlock.ShouldBe(MiningInterval / AEDPoSContractConstants.TinyBlocksNumber);
                 command.Hint.ShouldBe(new AElfConsensusHint
                         {Behaviour = AElfConsensusBehaviour.UpdateValueWithoutPreviousInValue}
                     .ToByteArray());
@@ -52,7 +52,7 @@ public async Task AElfConsensusContract_UpdateValueInFirstRound()
                     {PublicKey = ByteString.CopyFrom(otherMinerKeyPair.PublicKey)});
                 command.NextBlockMiningLeftMilliseconds.ShouldBe(
                     MiningInterval * InitialMinersCount + MiningInterval * order);
-                command.LimitMillisecondsOfMiningBlock.ShouldBe(MiningInterval / AElfConsensusContractConstants.TinyBlocksNumber);
+                command.LimitMillisecondsOfMiningBlock.ShouldBe(MiningInterval / AEDPoSContractConstants.TinyBlocksNumber);
                 command.Hint.ShouldBe(new AElfConsensusHint {Behaviour = AElfConsensusBehaviour.NextRound}
                     .ToByteArray());
             }
@@ -89,7 +89,7 @@ public async Task AElfConsensusContract_Process()
                 var command = await miner.GetConsensusCommand.CallAsync(new CommandInput
                     {PublicKey = ByteString.CopyFrom(minerKeyPair.PublicKey)});
                 command.NextBlockMiningLeftMilliseconds.ShouldBe(leftMilliseconds);
-                command.LimitMillisecondsOfMiningBlock.ShouldBe(MiningInterval / AElfConsensusContractConstants.TinyBlocksNumber);
+                command.LimitMillisecondsOfMiningBlock.ShouldBe(MiningInterval / AEDPoSContractConstants.TinyBlocksNumber);
                 command.Hint.ShouldBe(new AElfConsensusHint {Behaviour = AElfConsensusBehaviour.UpdateValue}
                     .ToByteArray());
             }
@@ -117,7 +117,7 @@ public async Task AElfConsensusContract_Process()
                     command.NextBlockMiningLeftMilliseconds.ShouldBe(leftMilliseconds);
                 }
 
-                command.LimitMillisecondsOfMiningBlock.ShouldBe(MiningInterval / AElfConsensusContractConstants.TinyBlocksNumber);
+                command.LimitMillisecondsOfMiningBlock.ShouldBe(MiningInterval / AEDPoSContractConstants.TinyBlocksNumber);
                 command.Hint.ShouldBe(new AElfConsensusHint {Behaviour = AElfConsensusBehaviour.NextRound}
                     .ToByteArray());
             }
diff --git a/test/AElf.Contracts.Election.Tests/BVT/TreasuryTests.cs b/test/AElf.Contracts.Election.Tests/BVT/TreasuryTests.cs
index e40f82a6a0..0c5260f717 100644
--- a/test/AElf.Contracts.Election.Tests/BVT/TreasuryTests.cs
+++ b/test/AElf.Contracts.Election.Tests/BVT/TreasuryTests.cs
@@ -147,8 +147,8 @@ public async Task<List<ECKeyPair>> ElectionContract_ReleaseTreasuryProfits_Relea
                         ProfitId = ProfitItemsIds[ProfitType.CitizenWelfare],
                         Period = 1
                     });
-                    releasedProfitsInformation.TotalWeight.ShouldBe(0);
-                    releasedProfitsInformation.ProfitsAmount.ShouldBe(0);
+                    releasedProfitsInformation.TotalWeight.ShouldBe(-1);
+                    releasedProfitsInformation.ProfitsAmount.ShouldBe(-1);
                     releasedProfitsInformation.IsReleased.ShouldBe(false);
                     
                     // Check balance of virtual address.
@@ -190,8 +190,8 @@ await ProfitContractStub.GetReleasedProfitsInformation.CallAsync(
                                         ProfitId = ProfitItemsIds[ProfitType.BasicMinerReward],
                                         Period = 1
                                     });
-                            releasedProfitsInformation.TotalWeight.ShouldBe(0);
-                            releasedProfitsInformation.ProfitsAmount.ShouldBe(0);
+                            releasedProfitsInformation.TotalWeight.ShouldBe(-1);
+                            releasedProfitsInformation.ProfitsAmount.ShouldBe(-1);
                             releasedProfitsInformation.IsReleased.ShouldBe(false);
                         }
 
@@ -234,8 +234,8 @@ await ProfitContractStub.GetReleasedProfitsInformation.CallAsync(
                                         ProfitId = ProfitItemsIds[ProfitType.VotesWeightReward],
                                         Period = 1
                                     });
-                            releasedProfitsInformation.TotalWeight.ShouldBe(0);
-                            releasedProfitsInformation.ProfitsAmount.ShouldBe(0);
+                            releasedProfitsInformation.TotalWeight.ShouldBe(-1);
+                            releasedProfitsInformation.ProfitsAmount.ShouldBe(-1);
                             releasedProfitsInformation.IsReleased.ShouldBe(false);
                         }
 
@@ -277,8 +277,8 @@ await ProfitContractStub.GetReleasedProfitsInformation.CallAsync(
                                         ProfitId = ProfitItemsIds[ProfitType.ReElectionReward],
                                         Period = 1
                                     });
-                            releasedProfitsInformation.TotalWeight.ShouldBe(0);
-                            releasedProfitsInformation.ProfitsAmount.ShouldBe(0);
+                            releasedProfitsInformation.TotalWeight.ShouldBe(-1);
+                            releasedProfitsInformation.ProfitsAmount.ShouldBe(-1);
                             releasedProfitsInformation.IsReleased.ShouldBe(false);
                         }
                         
@@ -291,8 +291,8 @@ await ProfitContractStub.GetReleasedProfitsInformation.CallAsync(
                                         ProfitId = ProfitItemsIds[ProfitType.ReElectionReward],
                                         Period = 1
                                     });
-                            releasedProfitsInformation.TotalWeight.ShouldBe(0);
-                            releasedProfitsInformation.ProfitsAmount.ShouldBe(0);
+                            releasedProfitsInformation.TotalWeight.ShouldBe(-1);
+                            releasedProfitsInformation.ProfitsAmount.ShouldBe(-1);
                             releasedProfitsInformation.IsReleased.ShouldBe(false);
                         }
                         
@@ -456,7 +456,7 @@ await VoteToCandidates(VotersKeyPairs.Take(1).ToList(),
                         // Already burned.
                         profitItems[ProfitType.BasicMinerReward].TotalAmount.ShouldBe(0);
                         // Each new miner takes 1 weight.
-                        profitItems[ProfitType.BasicMinerReward].TotalWeight.ShouldBeLessThan(candidatesKeyPairs.Count);
+                        profitItems[ProfitType.BasicMinerReward].TotalWeight.ShouldBe(5);
 
                         // Check released profit information.
                         // We don't give initial miners rewards.
@@ -468,7 +468,7 @@ await ProfitContractStub.GetReleasedProfitsInformation.CallAsync(
                                         ProfitId = ProfitItemsIds[ProfitType.BasicMinerReward],
                                         Period = 2
                                     });
-                            releasedProfitsInformation.TotalWeight.ShouldBe(profitItems[ProfitType.BasicMinerReward].TotalWeight);
+                            releasedProfitsInformation.TotalWeight.ShouldBeLessThan(candidatesKeyPairs.Count);
                             releasedProfitsInformation.ProfitsAmount.ShouldBe(releasedAmount
                                 .Mul(ElectionContractConstants.MinerRewardWeight)
                                 .Div(totalWeightsOfTreasury)
@@ -721,7 +721,7 @@ public async Task ElectionContract_ReleaseTreasuryProfits_ReleaseThirdTerm()
                         // Already burned.
                         profitItems[ProfitType.BasicMinerReward].TotalAmount.ShouldBe(0);
                         // Each new miner takes 1 weight.
-                        profitItems[ProfitType.BasicMinerReward].TotalWeight.ShouldBeLessThan(candidatesKeyPairs.Count);
+                        profitItems[ProfitType.BasicMinerReward].TotalWeight.ShouldBe(5);
 
                         // Check released profit information.
                         // We don't give initial miners rewards.