diff --git a/source/contract/contract-jvm/src/main/java/com/jd/blockchain/contract/jvm/AbstractContractCode.java b/source/contract/contract-jvm/src/main/java/com/jd/blockchain/contract/jvm/AbstractContractCode.java
index dd6276ba..2aee31f8 100644
--- a/source/contract/contract-jvm/src/main/java/com/jd/blockchain/contract/jvm/AbstractContractCode.java
+++ b/source/contract/contract-jvm/src/main/java/com/jd/blockchain/contract/jvm/AbstractContractCode.java
@@ -69,7 +69,7 @@ public abstract class AbstractContractCode implements ContractCode {
 			if (handleMethod == null) {
 				throw new ContractException(
 						String.format("Contract[%s:%s] has no handle method to handle event[%s]!", address.toString(),
-								contractDefinition.getType().getDeclaredClass().toString(), eventContext.getEvent()));
+								contractDefinition.getType().getName(), eventContext.getEvent()));
 			}
 			
 			BytesValueList bytesValues = eventContext.getArgs();
diff --git a/source/ledger/ledger-model/src/main/java/com/jd/blockchain/contract/ContractType.java b/source/ledger/ledger-model/src/main/java/com/jd/blockchain/contract/ContractType.java
index b0f5efbe..c8daa7e7 100644
--- a/source/ledger/ledger-model/src/main/java/com/jd/blockchain/contract/ContractType.java
+++ b/source/ledger/ledger-model/src/main/java/com/jd/blockchain/contract/ContractType.java
@@ -11,19 +11,15 @@ import com.jd.blockchain.utils.IllegalDataException;
 public class ContractType {
 
 	private String name;
+
 	private Map<String, Method> events = new HashMap<>();
-	private Map<Method, String> handleMethods = new HashMap<>();
 
-	private Class<?> declaredClass;
+	private Map<Method, String> handleMethods = new HashMap<>();
 
 	public String getName() {
 		return name;
 	}
 
-	public Class<?> getDeclaredClass() {
-		return declaredClass;
-	}
-
 	/**
 	 * 返回声明的所有事件；
 	 * 
@@ -86,7 +82,8 @@ public class ContractType {
 		}
 
 		// 接口上必须有注解
-		if (!contractIntf.isAnnotationPresent(Contract.class)) {
+		Contract contract = contractIntf.getAnnotation(Contract.class);
+		if (contract == null) {
 			throw new IllegalDataException("It is not a Contract Type, because there is not @Contract !");
 		}
 
@@ -98,6 +95,9 @@ public class ContractType {
 
 		ContractType contractType = new ContractType();
 
+		// 设置合约显示名字为
+		contractType.name = contract.name();
+
 		for (Method method : classMethods) {
 
 			// if current method contains @ContractEvent，then put it in this map;
@@ -130,6 +130,12 @@ public class ContractType {
 				contractType.handleMethods.put(method, eventName);
 			}
 		}
+		// 最起码有一个ContractEvent
+		if (contractType.events.isEmpty()) {
+			throw new IllegalStateException(
+					String.format("Contract Interface[%s] have none method for annotation[@ContractEvent] !", contractIntf.getName()));
+		}
+
 		return contractType;
 	}
 
diff --git a/source/ledger/ledger-model/src/main/java/com/jd/blockchain/ledger/BytesValueEncoding.java b/source/ledger/ledger-model/src/main/java/com/jd/blockchain/ledger/BytesValueEncoding.java
index c7e4738d..af67719e 100644
--- a/source/ledger/ledger-model/src/main/java/com/jd/blockchain/ledger/BytesValueEncoding.java
+++ b/source/ledger/ledger-model/src/main/java/com/jd/blockchain/ledger/BytesValueEncoding.java
@@ -49,8 +49,13 @@ public class BytesValueEncoding {
 
 
 	public static BytesValue encodeSingle(Object value, Class<?> type) {
+		if (value == null) {
+			return null;
+		}
 		if (type == null) {
 			type = value.getClass();
+		} else if (type.equals(void.class) || type.equals(Void.class)) {
+			return null;
 		}
 		if (type.isInterface()) {
 			// 判断是否含有DataContract注解
@@ -161,6 +166,11 @@ public class BytesValueEncoding {
 	}
 
 	public static boolean supportType(Class<?> currParamType) {
+		// 支持空返回值
+		if (currParamType.equals(void.class) || currParamType.equals(Void.class)) {
+			return true;
+		}
+
 		if (currParamType.isInterface()) {
 			// 接口序列化必须实现DataContract注解
 			if (!currParamType.isAnnotationPresent(DataContract.class)) {
diff --git a/source/ledger/ledger-model/src/main/java/com/jd/blockchain/ledger/ContractEventSendOperation.java b/source/ledger/ledger-model/src/main/java/com/jd/blockchain/ledger/ContractEventSendOperation.java
index 9b6d7d20..e9de0261 100644
--- a/source/ledger/ledger-model/src/main/java/com/jd/blockchain/ledger/ContractEventSendOperation.java
+++ b/source/ledger/ledger-model/src/main/java/com/jd/blockchain/ledger/ContractEventSendOperation.java
@@ -36,7 +36,7 @@ public interface ContractEventSendOperation extends Operation {
 	 * 
 	 * @return
 	 */
-	@DataField(order = 4, primitiveType = PrimitiveType.BYTES)
+	@DataField(order = 4, refContract = true)
 	BytesValueList getArgs();
 
 }
diff --git a/source/ledger/ledger-model/src/test/java/test/com/jd/blockchain/ledger/data/BytesValueEncodingTest.java b/source/ledger/ledger-model/src/test/java/test/com/jd/blockchain/ledger/data/BytesValueEncodingTest.java
index d6bde510..73d51d7b 100644
--- a/source/ledger/ledger-model/src/test/java/test/com/jd/blockchain/ledger/data/BytesValueEncodingTest.java
+++ b/source/ledger/ledger-model/src/test/java/test/com/jd/blockchain/ledger/data/BytesValueEncodingTest.java
@@ -1,6 +1,6 @@
 package test.com.jd.blockchain.ledger.data;
 
-import com.jd.blockchain.ledger.BytesValueEncoding;
+import com.jd.blockchain.ledger.*;
 import com.jd.blockchain.utils.Bytes;
 import static org.junit.Assert.*;
 import org.junit.Test;
@@ -17,8 +17,53 @@ public class BytesValueEncodingTest {
         assertTrue(BytesValueEncoding.supportType(Long.class));
         assertTrue(BytesValueEncoding.supportType(String.class));
         assertTrue(BytesValueEncoding.supportType(Bytes.class));
+        assertTrue(BytesValueEncoding.supportType(Operation.class));
+        assertFalse(BytesValueEncoding.supportType(byte.class));
+    }
+
+    @Test
+    public void testSingle() {
+        long longVal = 1024L;
+        BytesValue longBytesVal1 = BytesValueEncoding.encodeSingle(longVal, null);
+        BytesValue longBytesVal2 = BytesValueEncoding.encodeSingle(longVal, long.class);
+        BytesValue longBytesVal3 = BytesValueEncoding.encodeSingle(longVal, Long.class);
+
+        assertEquals(longBytesVal1.getValue(), longBytesVal2.getValue());
+        assertEquals(longBytesVal1.getType(), longBytesVal2.getType());
+        assertEquals(longBytesVal2.getValue(), longBytesVal3.getValue());
+        assertEquals(longBytesVal2.getType(), longBytesVal3.getType());
+
+        long resolveLongVal1 = (long)BytesValueEncoding.decode(longBytesVal1);
+        long resolveLongVal2 = (long)BytesValueEncoding.decode(longBytesVal2);
+        long resolveLongVal3 = (long)BytesValueEncoding.decode(longBytesVal3);
+
+        assertEquals(resolveLongVal1, 1024L);
+        assertEquals(resolveLongVal2, 1024L);
+        assertEquals(resolveLongVal3, 1024L);
+    }
+
+    @Test
+    public void testArray() {
+        Object[] values = new Object[]{1024L, "zhangsan", "lisi".getBytes(), 16};
+        Class<?>[] classes = new Class[]{long.class, String.class, byte[].class, int.class};
+
+        BytesValueList bytesValueList = BytesValueEncoding.encodeArray(values, null);
+        BytesValueList bytesValueList1 = BytesValueEncoding.encodeArray(values, classes);
+
+        assertEquals(bytesValueList1.getValues().length, values.length);
 
 
+        BytesValue[] bytesValues = bytesValueList.getValues();
+        assertEquals(bytesValues.length, values.length);
 
+        assertEquals(DataType.INT64, bytesValues[0].getType());
+        assertEquals(DataType.TEXT, bytesValues[1].getType());
+        assertEquals(DataType.BYTES, bytesValues[2].getType());
+        assertEquals(DataType.INT32, bytesValues[3].getType());
+
+        Object[] resolveObjs = BytesValueEncoding.decode(bytesValueList, classes);
+
+        assertArrayEquals(resolveObjs, values);
     }
+
 }
diff --git a/source/ledger/ledger-model/src/test/java/test/com/jd/blockchain/ledger/data/ContractEventSendOpTemplateTest.java b/source/ledger/ledger-model/src/test/java/test/com/jd/blockchain/ledger/data/ContractEventSendOpTemplateTest.java
index 5bcba094..bdfaaa80 100644
--- a/source/ledger/ledger-model/src/test/java/test/com/jd/blockchain/ledger/data/ContractEventSendOpTemplateTest.java
+++ b/source/ledger/ledger-model/src/test/java/test/com/jd/blockchain/ledger/data/ContractEventSendOpTemplateTest.java
@@ -37,6 +37,7 @@ public class ContractEventSendOpTemplateTest {
 
 	@Before
 	public void initContractEventSendOpTemplate() {
+		DataContractRegistry.register(BytesValueList.class);
 		DataContractRegistry.register(ContractEventSendOperation.class);
 		DataContractRegistry.register(Operation.class);
 		String contractAddress = "zhangsan-address", event = "zhangsan-event";
diff --git a/source/ledger/ledger-model/src/test/java/test/com/jd/blockchain/ledger/data/ContractTypeTest.java b/source/ledger/ledger-model/src/test/java/test/com/jd/blockchain/ledger/data/ContractTypeTest.java
index 77430442..beceb39c 100644
--- a/source/ledger/ledger-model/src/test/java/test/com/jd/blockchain/ledger/data/ContractTypeTest.java
+++ b/source/ledger/ledger-model/src/test/java/test/com/jd/blockchain/ledger/data/ContractTypeTest.java
@@ -24,7 +24,6 @@ public class ContractTypeTest {
 	public void normalTest() throws NoSuchMethodException, SecurityException {
 		ContractType contractType = ContractType.resolve(NormalContract.class);
 
-		assertEquals(NormalContract.class, contractType.getDeclaredClass());
 		assertEquals("NORMAL-CONTRACT", contractType.getName());
 
 		Set<String> events = contractType.getEvents();
@@ -56,14 +55,14 @@ public class ContractTypeTest {
 		assertNull(contractType.getEvent(toStringMethod));
 		assertNull(contractType.getHandleMethod("NotExist"));
 		
-		//解析非合约声明接口类型时，应该引发异常 ContractException；
+		//解析非合约声明接口类型时，应该正常，只需要实现接口（该接口定义了具体的合约类型）即可
 		ContractException ex = null;
 		try {
 			ContractType.resolve(NormalContractImpl.class);
 		} catch (ContractException e) {
 			ex = e;
 		}
-		assertNotNull(ex);
+		assertNull(ex);
 	}
 
 }
diff --git a/source/ledger/ledger-model/src/test/java/test/com/jd/blockchain/ledger/data/DataAccountKVSetOpTemplateTest.java b/source/ledger/ledger-model/src/test/java/test/com/jd/blockchain/ledger/data/DataAccountKVSetOpTemplateTest.java
index cb77963c..a87919b4 100644
--- a/source/ledger/ledger-model/src/test/java/test/com/jd/blockchain/ledger/data/DataAccountKVSetOpTemplateTest.java
+++ b/source/ledger/ledger-model/src/test/java/test/com/jd/blockchain/ledger/data/DataAccountKVSetOpTemplateTest.java
@@ -29,7 +29,6 @@ import com.jd.blockchain.utils.Bytes;
  * @create 2018/8/30
  * @since 1.0.0
  */
-//todo 尚未测试通过，等张爽处理完再测试
 public class DataAccountKVSetOpTemplateTest {
 
     private DataAccountKVSetOpTemplate data;
diff --git a/source/sdk/sdk-client/src/main/java/com/jd/blockchain/sdk/client/GatewayServiceFactory.java b/source/sdk/sdk-client/src/main/java/com/jd/blockchain/sdk/client/GatewayServiceFactory.java
index 5396a430..cc63a11e 100644
--- a/source/sdk/sdk-client/src/main/java/com/jd/blockchain/sdk/client/GatewayServiceFactory.java
+++ b/source/sdk/sdk-client/src/main/java/com/jd/blockchain/sdk/client/GatewayServiceFactory.java
@@ -55,6 +55,7 @@ public class GatewayServiceFactory implements BlockchainServiceFactory, Closeabl
 		DataContractRegistry.register(ActionResponse.class);
 		DataContractRegistry.register(ClientIdentifications.class);
 		DataContractRegistry.register(ClientIdentification.class);
+		DataContractRegistry.register(BytesValueList.class);
 
 		ByteArrayObjectUtil.init();
 	}
diff --git a/source/sdk/sdk-samples/src/test/java/test/com/jd/blockchain/sdk/test/SDKDemo_Contract_Test.java b/source/sdk/sdk-samples/src/test/java/test/com/jd/blockchain/sdk/test/SDKDemo_Contract_Test_.java
similarity index 99%
rename from source/sdk/sdk-samples/src/test/java/test/com/jd/blockchain/sdk/test/SDKDemo_Contract_Test.java
rename to source/sdk/sdk-samples/src/test/java/test/com/jd/blockchain/sdk/test/SDKDemo_Contract_Test_.java
index e99c3bb7..2f7755da 100644
--- a/source/sdk/sdk-samples/src/test/java/test/com/jd/blockchain/sdk/test/SDKDemo_Contract_Test.java
+++ b/source/sdk/sdk-samples/src/test/java/test/com/jd/blockchain/sdk/test/SDKDemo_Contract_Test_.java
@@ -23,7 +23,7 @@ import com.jd.blockchain.transaction.LongValueHolder;
 import com.jd.blockchain.transaction.GenericValueHolder;
 import com.jd.blockchain.utils.Bytes;
 
-public class SDKDemo_Contract_Test {
+public class SDKDemo_Contract_Test_ {
 
 	private BlockchainKeypair adminKey;
 
diff --git a/source/test/test-integration/src/main/java/test/com/jd/blockchain/intgr/perf/Utils.java b/source/test/test-integration/src/main/java/test/com/jd/blockchain/intgr/perf/Utils.java
index 33d494a3..38f131e1 100644
--- a/source/test/test-integration/src/main/java/test/com/jd/blockchain/intgr/perf/Utils.java
+++ b/source/test/test-integration/src/main/java/test/com/jd/blockchain/intgr/perf/Utils.java
@@ -39,7 +39,8 @@ public class Utils {
 
 	public static final String PASSWORD = "abc";
 
-	public static final String[] PUB_KEYS = { "3snPdw7i7PapsDoW185c3kfK6p8s6SwiJAdEUzgnfeuUox12nxgzXu",
+	public static final String[] PUB_KEYS = {
+			"3snPdw7i7PapsDoW185c3kfK6p8s6SwiJAdEUzgnfeuUox12nxgzXu",
 			"3snPdw7i7Ph1SYLQt9uqVEqiuvNXjxCdGvEdN6otJsg5rbr7Aze7kf",
 			"3snPdw7i7PezptA6dNBkotPjmKEbTkY8fmusLBnfj8Cf7eFwhWDwKr",
 			"3snPdw7i7PerZYfRzEB61SAN9tFK4yHm9wUSRtkLSSGXHkQRbB5PkS" };
diff --git a/source/test/test-integration/src/test/java/test/com/jd/blockchain/intgr/capability/LedgerPerfCapabilityTest.java b/source/test/test-integration/src/test/java/test/com/jd/blockchain/intgr/capability/LedgerPerfCapabilityTest.java
index 6c6e4642..6e23c83f 100644
--- a/source/test/test-integration/src/test/java/test/com/jd/blockchain/intgr/capability/LedgerPerfCapabilityTest.java
+++ b/source/test/test-integration/src/test/java/test/com/jd/blockchain/intgr/capability/LedgerPerfCapabilityTest.java
@@ -38,22 +38,22 @@ public class LedgerPerfCapabilityTest {
 
     @Test
     public void testKvStorage4Memory() {
-        LedgerPerformanceTest.test(new String[]{SILENT, CONSENSUS});
+        LedgerPerformanceTest.test(new String[]{SILENT});
     }
 
     @Test
     public void testUserRegister4Memory() {
-        LedgerPerformanceTest.test(new String[]{USERTEST, SILENT, CONSENSUS});
+        LedgerPerformanceTest.test(new String[]{USERTEST, SILENT});
     }
 
     @Test
     public void testKvStorage4Rocksdb() {
-        LedgerPerformanceTest.test(new String[]{ROCKSDB, SILENT, CONSENSUS});
+        LedgerPerformanceTest.test(new String[]{ROCKSDB, SILENT});
     }
 
     @Test
     public void testUserRegister4Rocksdb() {
-        LedgerPerformanceTest.test(new String[]{USERTEST, ROCKSDB, SILENT, CONSENSUS});
+        LedgerPerformanceTest.test(new String[]{USERTEST, ROCKSDB, SILENT});
     }
 
     public void testUserRegister4Redis() {
diff --git a/source/tools/tools-mocker/src/main/java/com/jd/blockchain/mocker/proxy/ContractProxy.java b/source/tools/tools-mocker/src/main/java/com/jd/blockchain/mocker/proxy/ContractProxy.java
index 8eae0320..b2e23766 100644
--- a/source/tools/tools-mocker/src/main/java/com/jd/blockchain/mocker/proxy/ContractProxy.java
+++ b/source/tools/tools-mocker/src/main/java/com/jd/blockchain/mocker/proxy/ContractProxy.java
@@ -78,7 +78,7 @@ public class ContractProxy<T> implements InvocationHandler {
 		OperationResult opResult = operationResults[0];
 
 		// 处理返回值
-		return BytesValueEncoding.encodeSingle(opResult.getResult(), method.getReturnType());
+		return BytesValueEncoding.decode(opResult.getResult(), method.getReturnType());
 	}
 
 	private boolean isExecuteContractMethod(Method method) {
diff --git a/source/tools/tools-mocker/src/test/java/test/com/jd/blockchain/contract/AccountMockerTest_.java b/source/tools/tools-mocker/src/test/java/test/com/jd/blockchain/contract/AccountMockerTest.java
similarity index 93%
rename from source/tools/tools-mocker/src/test/java/test/com/jd/blockchain/contract/AccountMockerTest_.java
rename to source/tools/tools-mocker/src/test/java/test/com/jd/blockchain/contract/AccountMockerTest.java
index 0a411e6d..5058ebdc 100644
--- a/source/tools/tools-mocker/src/test/java/test/com/jd/blockchain/contract/AccountMockerTest_.java
+++ b/source/tools/tools-mocker/src/test/java/test/com/jd/blockchain/contract/AccountMockerTest.java
@@ -7,7 +7,7 @@ import com.jd.blockchain.mocker.contracts.AccountContractImpl;
 import org.junit.Before;
 import org.junit.Test;
 
-public class AccountMockerTest_ {
+public class AccountMockerTest {
 
     String accountFrom = "zhangsan";
 
@@ -39,7 +39,7 @@ public class AccountMockerTest_ {
 
         accountContract.create(address, accountTo, 1000L);
 
-        accountContract.print(address, accountFrom, accountTo);
+//        accountContract.print(address, accountFrom, accountTo);
 
         // 开始转账
         accountContract.transfer(address, accountFrom, accountTo, 500);
diff --git a/source/tools/tools-mocker/src/test/java/test/com/jd/blockchain/contract/MockTest_.java b/source/tools/tools-mocker/src/test/java/test/com/jd/blockchain/contract/MockTest.java
similarity index 98%
rename from source/tools/tools-mocker/src/test/java/test/com/jd/blockchain/contract/MockTest_.java
rename to source/tools/tools-mocker/src/test/java/test/com/jd/blockchain/contract/MockTest.java
index 69815590..b9362607 100644
--- a/source/tools/tools-mocker/src/test/java/test/com/jd/blockchain/contract/MockTest_.java
+++ b/source/tools/tools-mocker/src/test/java/test/com/jd/blockchain/contract/MockTest.java
@@ -10,7 +10,7 @@ import com.jd.blockchain.mocker.contracts.WriteContract;
 import com.jd.blockchain.mocker.contracts.WriteContractImpl;
 import org.junit.Test;
 
-public class MockTest_ {
+public class MockTest {
 
     @Test
     public void test() {