diff --git a/source/ledger/ledger-core/src/main/java/com/jd/blockchain/ledger/core/impl/TransactionBatchProcessor.java b/source/ledger/ledger-core/src/main/java/com/jd/blockchain/ledger/core/impl/TransactionBatchProcessor.java
index b14b3678..4416c3c2 100644
--- a/source/ledger/ledger-core/src/main/java/com/jd/blockchain/ledger/core/impl/TransactionBatchProcessor.java
+++ b/source/ledger/ledger-core/src/main/java/com/jd/blockchain/ledger/core/impl/TransactionBatchProcessor.java
@@ -103,7 +103,7 @@ public class TransactionBatchProcessor implements TransactionBatchProcess {
 				return resp;
 			}
 
-			LOGGER.debug("Start handling transaction... --[BlockHeight=%s][RequestHash=%s][TxHash=%s]",
+			LOGGER.debug("Start handling transaction... --[BlockHeight={}][RequestHash={}][TxHash={}]",
 					newBlockEditor.getBlockHeight(), request.getHash(), request.getTransactionContent().getHash());
 			// 创建交易上下文；
 			// 此调用将会验证交易签名，验签失败将会抛出异常，同时，不记录签名错误的交易到链上；
@@ -112,7 +112,7 @@ public class TransactionBatchProcessor implements TransactionBatchProcess {
 			// 处理交易；
 			resp = handleTx(request, txCtx);
 			
-			LOGGER.debug("Complete handling transaction.  --[BlockHeight=%s][RequestHash=%s][TxHash=%s]",
+			LOGGER.debug("Complete handling transaction.  --[BlockHeight={}][RequestHash={}][TxHash={}]",
 					newBlockEditor.getBlockHeight(), request.getHash(), request.getTransactionContent().getHash());
 			
 			responseList.add(resp);
@@ -246,7 +246,7 @@ public class TransactionBatchProcessor implements TransactionBatchProcess {
 		TxResponseMessage resp = new TxResponseMessage(request.getTransactionContent().getHash());
 		resp.setExecutionState(txState);
 
-		LOGGER.error("Discard transaction request! --[BlockHeight=%s][RequestHash=%s][TxHash=%s][ResponseState=%s]",
+		LOGGER.error("Discard transaction request! --[BlockHeight={}][RequestHash={}][TxHash={}][ResponseState={}]",
 				newBlockEditor.getBlockHeight(), request.getHash(), request.getTransactionContent().getHash(),
 				resp.getExecutionState());
 		return resp;
diff --git a/source/ledger/ledger-core/src/test/java/test/com/jd/blockchain/ledger/LedgerTestUtils.java b/source/ledger/ledger-core/src/test/java/test/com/jd/blockchain/ledger/LedgerTestUtils.java
index ca405b35..16d8b525 100644
--- a/source/ledger/ledger-core/src/test/java/test/com/jd/blockchain/ledger/LedgerTestUtils.java
+++ b/source/ledger/ledger-core/src/test/java/test/com/jd/blockchain/ledger/LedgerTestUtils.java
@@ -84,14 +84,14 @@ public class LedgerTestUtils {
 //	public static TransactionRequest createTxRequest_UserReg(BlockchainKeypair userKeypair, HashDigest ledgerHash, BlockchainKeypair... partiKeys) {
 //		return createTxRequest_UserReg(userKeypair, ledgerHash, null, null);
 //	}
-	
+
 	public static TransactionRequest createLedgerInitTxRequest(BlockchainKeypair... participants) {
 		TxBuilder txBuilder = new TxBuilder(null);
-		
+
 		for (BlockchainKeypair parti : participants) {
 			txBuilder.users().register(parti.getIdentity());
 		}
-		
+
 		TransactionRequestBuilder txReqBuilder = txBuilder.prepareRequest();
 		for (BlockchainKeypair parti : participants) {
 			txReqBuilder.signAsNode(parti);
@@ -100,11 +100,11 @@ public class LedgerTestUtils {
 		return txReqBuilder.buildRequest();
 	}
 
-	public static TransactionRequest createTxRequest_UserReg(HashDigest ledgerHash,
-			BlockchainKeypair nodeKeypair, BlockchainKeypair... signers) {
-		return createTxRequest_UserReg(BlockchainKeyGenerator.getInstance().generate(), ledgerHash, nodeKeypair,
-				signers);
-	}
+//	public static TransactionRequest createTxRequest_UserReg(HashDigest ledgerHash, BlockchainKeypair nodeKeypair,
+//			BlockchainKeypair... signers) {
+//		return createTxRequest_UserReg(BlockchainKeyGenerator.getInstance().generate(), ledgerHash, nodeKeypair,
+//				signers);
+//	}
 
 	public static TransactionRequest createTxRequest_UserReg(BlockchainKeypair userKeypair, HashDigest ledgerHash,
 			BlockchainKeypair nodeKeypair, BlockchainKeypair... signers) {
@@ -113,7 +113,11 @@ public class LedgerTestUtils {
 		txBuilder.users().register(userKeypair.getIdentity());
 
 		TransactionRequestBuilder txReqBuilder = txBuilder.prepareRequest();
-		txReqBuilder.signAsEndpoint(nodeKeypair);
+		if (signers != null) {
+			for (BlockchainKeypair signer : signers) {
+				txReqBuilder.signAsEndpoint(signer);
+			}
+		}
 		if (nodeKeypair != null) {
 			txReqBuilder.signAsNode(nodeKeypair);
 		}
@@ -121,8 +125,8 @@ public class LedgerTestUtils {
 		return txReqBuilder.buildRequest();
 	}
 
-	public static TransactionRequest createTxRequest_MultiOPs_WithError(HashDigest ledgerHash,
-			BlockchainKeypair userKeypair, BlockchainKeypair nodeKeypair) {
+	public static TransactionRequest createTxRequest_MultiOPs_WithError(BlockchainKeypair userKeypair, HashDigest ledgerHash,
+			BlockchainKeypair nodeKeypair, BlockchainKeypair... signers) {
 		TxBuilder txBuilder = new TxBuilder(ledgerHash);
 
 		txBuilder.users().register(userKeypair.getIdentity());
diff --git a/source/ledger/ledger-core/src/test/java/test/com/jd/blockchain/ledger/TransactionBatchProcessorTest.java b/source/ledger/ledger-core/src/test/java/test/com/jd/blockchain/ledger/TransactionBatchProcessorTest.java
index 1172b3c4..02cba7fc 100644
--- a/source/ledger/ledger-core/src/test/java/test/com/jd/blockchain/ledger/TransactionBatchProcessorTest.java
+++ b/source/ledger/ledger-core/src/test/java/test/com/jd/blockchain/ledger/TransactionBatchProcessorTest.java
@@ -88,7 +88,7 @@ public class TransactionBatchProcessorTest {
 
 		// 注册新用户；
 		BlockchainKeypair userKeypair = BlockchainKeyGenerator.getInstance().generate();
-		transactionRequest = LedgerTestUtils.createTxRequest_UserReg(ledgerHash, userKeypair, parti0);
+		transactionRequest = LedgerTestUtils.createTxRequest_UserReg(userKeypair, ledgerHash, parti0, parti0);
 		TransactionResponse txResp = txbatchProcessor.schedule(transactionRequest);
 
 		LedgerBlock newBlock = newBlockEditor.prepare();
@@ -132,7 +132,7 @@ public class TransactionBatchProcessorTest {
 
 		// 注册新用户；
 		BlockchainKeypair userKeypair1 = BlockchainKeyGenerator.getInstance().generate();
-		transactionRequest = LedgerTestUtils.createTxRequest_UserReg(ledgerHash, userKeypair1, parti0);
+		transactionRequest = LedgerTestUtils.createTxRequest_UserReg(userKeypair1, ledgerHash, parti0, parti0);
 		TransactionResponse txResp1 = txbatchProcessor.schedule(transactionRequest);
 
 //		BlockchainKeypair userKeypair2 = BlockchainKeyGenerator.getInstance().generate();
@@ -187,15 +187,15 @@ public class TransactionBatchProcessorTest {
 
 		// 注册新用户；
 		BlockchainKeypair userKeypair1 = BlockchainKeyGenerator.getInstance().generate();
-		transactionRequest = LedgerTestUtils.createTxRequest_UserReg(ledgerHash, userKeypair1, parti0);
+		transactionRequest = LedgerTestUtils.createTxRequest_UserReg(userKeypair1, ledgerHash, parti0, parti0);
 		TransactionResponse txResp1 = txbatchProcessor.schedule(transactionRequest);
 
 		BlockchainKeypair userKeypair2 = BlockchainKeyGenerator.getInstance().generate();
-		transactionRequest = LedgerTestUtils.createTxRequest_MultiOPs_WithError(ledgerHash, userKeypair2, parti0);
+		transactionRequest = LedgerTestUtils.createTxRequest_MultiOPs_WithError(userKeypair2, ledgerHash, parti0, parti0);
 		TransactionResponse txResp2 = txbatchProcessor.schedule(transactionRequest);
 
 		BlockchainKeypair userKeypair3 = BlockchainKeyGenerator.getInstance().generate();
-		transactionRequest = LedgerTestUtils.createTxRequest_UserReg(ledgerHash, userKeypair3, parti0);
+		transactionRequest = LedgerTestUtils.createTxRequest_UserReg(userKeypair3, ledgerHash, parti0, parti0);
 		TransactionResponse txResp3 = txbatchProcessor.schedule(transactionRequest);
 
 		LedgerBlock newBlock = newBlockEditor.prepare();