diff --git a/contract-module/base/contract-tx/src/main/java/io/nuls/contract/entity/tx/validator/CallContractTxValidator.java b/contract-module/base/contract-tx/src/main/java/io/nuls/contract/entity/tx/validator/CallContractTxValidator.java
index e9c1c0ea6..46ca469f3 100644
--- a/contract-module/base/contract-tx/src/main/java/io/nuls/contract/entity/tx/validator/CallContractTxValidator.java
+++ b/contract-module/base/contract-tx/src/main/java/io/nuls/contract/entity/tx/validator/CallContractTxValidator.java
@@ -30,6 +30,7 @@
 import io.nuls.contract.entity.txdata.CallContractData;
 import io.nuls.contract.ledger.util.ContractLedgerUtil;
 import io.nuls.core.tools.array.ArraysTool;
+import io.nuls.core.tools.calc.LongUtils;
 import io.nuls.core.tools.log.Log;
 import io.nuls.kernel.constant.TransactionErrorCode;
 import io.nuls.kernel.exception.NulsException;
@@ -38,6 +39,7 @@
 import io.nuls.kernel.model.Na;
 import io.nuls.kernel.script.SignatureUtil;
 import io.nuls.kernel.utils.AddressTool;
+import io.nuls.kernel.utils.TransactionFeeCalculator;
 import io.nuls.kernel.validate.NulsDataValidator;
 import io.nuls.kernel.validate.ValidateResult;
 import io.nuls.protocol.constant.ProtocolConstant;
@@ -60,12 +62,12 @@ public ValidateResult validate(CallContractTransaction tx) throws NulsException
         Set<String> addressSet = SignatureUtil.getAddressFromTX(tx);
 
         if(!ContractLedgerUtil.isExistContractAddress(contractAddress)) {
-            Log.error("contract data error: The contract does not exist.");
+            Log.error("contract call error: The contract does not exist.");
             return ValidateResult.getFailedResult(this.getClass().getSimpleName(), ContractErrorCode.CONTRACT_ADDRESS_NOT_EXIST);
         }
 
         if (!addressSet.contains(AddressTool.getStringAddressByBytes(sender))) {
-            Log.error("contract data error: The contract caller is not the transaction creator.");
+            Log.error("contract call error: The contract caller is not the transaction creator.");
             return ValidateResult.getFailedResult(this.getClass().getSimpleName(), TransactionErrorCode.TX_DATA_VALIDATION_ERROR);
         }
 
@@ -82,26 +84,34 @@ public ValidateResult validate(CallContractTransaction tx) throws NulsException
             }
 
             if (coin.getLockTime() != 0) {
-                Log.error("contract data error: The amount of the transfer cannot be locked(UTXO status error).");
+                Log.error("contract call error: The amount of the transfer cannot be locked(UTXO status error).");
                 return ValidateResult.getFailedResult(this.getClass().getSimpleName(), TransactionErrorCode.UTXO_STATUS_CHANGE);
             }
 
             if (!ArraysTool.arrayEquals(owner, contractAddress)) {
-                Log.error("contract data error: The receiver is not the contract address.");
+                Log.error("contract call error: The receiver is not the contract address.");
                 return ValidateResult.getFailedResult(this.getClass().getSimpleName(), TransactionErrorCode.TX_DATA_VALIDATION_ERROR);
             } else {
                 contractReceivedNa = contractReceivedNa.add(coin.getNa());
             }
 
             if (coin.getNa().isLessThan(ProtocolConstant.MININUM_TRANSFER_AMOUNT)) {
-                Log.error("contract data error: The amount of the transfer is too small.");
+                Log.error("contract call error: The amount of the transfer is too small.");
                 return ValidateResult.getFailedResult(this.getClass().getSimpleName(), TransactionErrorCode.TOO_SMALL_AMOUNT);
             }
         }
         if (contractReceivedNa.isLessThan(transferNa)) {
-            Log.error("contract data error: Insufficient amount to transfer to the contract address.");
+            Log.error("contract call error: Insufficient amount to transfer to the contract address.");
             return ValidateResult.getFailedResult(this.getClass().getSimpleName(), TransactionErrorCode.INVALID_AMOUNT);
         }
-        return ValidateResult.getSuccessResult();
+
+        Na realFee = tx.getCoinData().getFee();
+        Na fee = TransactionFeeCalculator.getTransferFee(tx.size()).add(Na.valueOf(LongUtils.mul(txData.getGasLimit(), txData.getPrice())));
+        if (realFee.isGreaterOrEquals(fee)) {
+            return ValidateResult.getSuccessResult();
+        } else {
+            Log.error("contract call error: The contract transaction fee is not right.");
+            return ValidateResult.getFailedResult(this.getClass().getName(), TransactionErrorCode.FEE_NOT_RIGHT);
+        }
     }
 }
diff --git a/contract-module/base/contract-tx/src/main/java/io/nuls/contract/entity/tx/validator/CreateContractTxValidator.java b/contract-module/base/contract-tx/src/main/java/io/nuls/contract/entity/tx/validator/CreateContractTxValidator.java
index ff5a2b33a..42b3db1cf 100644
--- a/contract-module/base/contract-tx/src/main/java/io/nuls/contract/entity/tx/validator/CreateContractTxValidator.java
+++ b/contract-module/base/contract-tx/src/main/java/io/nuls/contract/entity/tx/validator/CreateContractTxValidator.java
@@ -29,12 +29,15 @@
 import io.nuls.contract.entity.tx.CreateContractTransaction;
 import io.nuls.contract.entity.txdata.CreateContractData;
 import io.nuls.contract.util.ContractUtil;
+import io.nuls.core.tools.calc.LongUtils;
 import io.nuls.core.tools.log.Log;
 import io.nuls.kernel.constant.TransactionErrorCode;
 import io.nuls.kernel.exception.NulsException;
 import io.nuls.kernel.lite.annotation.Component;
+import io.nuls.kernel.model.Na;
 import io.nuls.kernel.script.SignatureUtil;
 import io.nuls.kernel.utils.AddressTool;
+import io.nuls.kernel.utils.TransactionFeeCalculator;
 import io.nuls.kernel.validate.NulsDataValidator;
 import io.nuls.kernel.validate.ValidateResult;
 
@@ -53,16 +56,23 @@ public ValidateResult validate(CreateContractTransaction tx) throws NulsExceptio
         byte[] sender = txData.getSender();
         byte[] contractAddress = txData.getContractAddress();
         if(!ContractUtil.isLegalContractAddress(contractAddress)) {
-            Log.error("contract data error: Illegal contract address.");
+            Log.error("contract create error: Illegal contract address.");
             return ValidateResult.getFailedResult(this.getClass().getSimpleName(), ContractErrorCode.ILLEGAL_CONTRACT_ADDRESS);
         }
         Set<String> addressSet = SignatureUtil.getAddressFromTX(tx);
 
         if (!addressSet.contains(AddressTool.getStringAddressByBytes(sender))) {
-            Log.error("contract data error: The contract creater is not the transaction creator.");
+            Log.error("contract create error: The contract creater is not the transaction creator.");
             return ValidateResult.getFailedResult(this.getClass().getSimpleName(), TransactionErrorCode.TX_DATA_VALIDATION_ERROR);
         }
 
-        return ValidateResult.getSuccessResult();
+        Na realFee = tx.getCoinData().getFee();
+        Na fee = TransactionFeeCalculator.getTransferFee(tx.size()).add(Na.valueOf(LongUtils.mul(txData.getGasLimit(), txData.getPrice())));
+        if (realFee.isGreaterOrEquals(fee)) {
+            return ValidateResult.getSuccessResult();
+        } else {
+            Log.error("contract create error: The contract transaction fee is not right.");
+            return ValidateResult.getFailedResult(this.getClass().getName(), TransactionErrorCode.FEE_NOT_RIGHT);
+        }
     }
 }
diff --git a/contract-module/base/contract-tx/src/main/java/io/nuls/contract/entity/tx/validator/DeleteContractTxValidator.java b/contract-module/base/contract-tx/src/main/java/io/nuls/contract/entity/tx/validator/DeleteContractTxValidator.java
index b940c12f3..cbeebc952 100644
--- a/contract-module/base/contract-tx/src/main/java/io/nuls/contract/entity/tx/validator/DeleteContractTxValidator.java
+++ b/contract-module/base/contract-tx/src/main/java/io/nuls/contract/entity/tx/validator/DeleteContractTxValidator.java
@@ -69,7 +69,7 @@ public ValidateResult validate(DeleteContractTransaction tx) throws NulsExceptio
         Set<String> addressSet = SignatureUtil.getAddressFromTX(tx);
 
         if (!addressSet.contains(AddressTool.getStringAddressByBytes(sender))) {
-            Log.error("contract data error: The contract deleter is not the transaction creator.");
+            Log.error("contract delete error: The contract deleter is not the transaction creator.");
             return ValidateResult.getFailedResult(this.getClass().getSimpleName(), TransactionErrorCode.TX_DATA_VALIDATION_ERROR);
         }
 
@@ -79,24 +79,24 @@ public ValidateResult validate(DeleteContractTransaction tx) throws NulsExceptio
         }
         ContractAddressInfoPo contractAddressInfoPo = contractAddressInfoPoResult.getData();
         if(contractAddressInfoPo == null) {
-            Log.error("contract data error: The contract does not exist.");
+            Log.error("contract delete error: The contract does not exist.");
             return ValidateResult.getFailedResult(this.getClass().getSimpleName(), ContractErrorCode.CONTRACT_ADDRESS_NOT_EXIST);
         }
         if(!ArraysTool.arrayEquals(sender, contractAddressInfoPo.getSender())) {
-            Log.error("contract data error: The contract deleter is not the contract creator.");
+            Log.error("contract delete error: The contract deleter is not the contract creator.");
             return ValidateResult.getFailedResult(this.getClass().getSimpleName(), TransactionErrorCode.TX_DATA_VALIDATION_ERROR);
         }
 
         Result<ContractBalance> result = contractUtxoService.getBalance(contractAddressBytes);
         ContractBalance balance = (ContractBalance) result.getData();
         if(balance == null) {
-            Log.error("contract data error: That balance of the contract is abnormal.");
+            Log.error("contract delete error: That balance of the contract is abnormal.");
             return ValidateResult.getFailedResult(this.getClass().getSimpleName(), TransactionErrorCode.TX_DATA_VALIDATION_ERROR);
         }
 
         Na totalBalance = balance.getBalance();
         if(totalBalance.compareTo(Na.ZERO) != 0) {
-            Log.error("contract data error: The balance of the contract is not 0.");
+            Log.error("contract delete error: The balance of the contract is not 0.");
             return ValidateResult.getFailedResult(this.getClass().getSimpleName(), ContractErrorCode.CONTRACT_DELETE_BALANCE);
         }