diff --git a/samples/contract-samples/pom.xml b/samples/contract-samples/pom.xml
index f542780b..9429edcc 100644
--- a/samples/contract-samples/pom.xml
+++ b/samples/contract-samples/pom.xml
@@ -17,14 +17,12 @@
         <dependency>
             <groupId>com.jd.blockchain</groupId>
             <artifactId>ledger-model</artifactId>
-            <version>${project.version}</version>
             <scope>provided</scope>
         </dependency>
 
         <dependency>
             <groupId>com.jd.blockchain</groupId>
             <artifactId>crypto-framework</artifactId>
-            <version>${project.version}</version>
             <scope>provided</scope>
         </dependency>
 
diff --git a/samples/pom.xml b/samples/pom.xml
index 26a33f96..aa28bdad 100644
--- a/samples/pom.xml
+++ b/samples/pom.xml
@@ -24,5 +24,27 @@
 		<module>contract-samples</module>
 	</modules>
 
+	<dependencyManagement>
+		<dependencies>
+
+			<dependency>
+				<groupId>com.jd.blockchain</groupId>
+				<artifactId>sdk-client</artifactId>
+				<version>${framework.version}</version>
+			</dependency>
+			<dependency>
+				<groupId>com.jd.blockchain</groupId>
+				<artifactId>ledger-model</artifactId>
+				<version>${framework.version}</version>
+			</dependency>
+			<dependency>
+				<groupId>com.jd.blockchain</groupId>
+				<artifactId>crypto-framework</artifactId>
+				<version>${framework.version}</version>
+			</dependency>
+		</dependencies>
+
+	</dependencyManagement>
+
 
 </project>
diff --git a/samples/sdk-samples/pom.xml b/samples/sdk-samples/pom.xml
index 178d8d23..e6eba29d 100644
--- a/samples/sdk-samples/pom.xml
+++ b/samples/sdk-samples/pom.xml
@@ -13,12 +13,10 @@
 		<dependency>
 			<groupId>com.jd.blockchain</groupId>
 			<artifactId>sdk-client</artifactId>
-			<version>${project.version}</version>
 		</dependency>
 		<dependency>
 			<groupId>com.jd.blockchain</groupId>
 			<artifactId>ledger-model</artifactId>
-			<version>${project.version}</version>
 		</dependency>
 		<dependency>
 			<groupId>com.jd.blockchain</groupId>
diff --git a/samples/sdk-samples/src/main/java/com/jd/blockchain/sdk/samples/SDK_Contract_Check_Demo.java b/samples/sdk-samples/src/main/java/com/jd/blockchain/sdk/samples/SDK_Contract_Check_Demo.java
index 7d521776..c99b9a6b 100644
--- a/samples/sdk-samples/src/main/java/com/jd/blockchain/sdk/samples/SDK_Contract_Check_Demo.java
+++ b/samples/sdk-samples/src/main/java/com/jd/blockchain/sdk/samples/SDK_Contract_Check_Demo.java
@@ -1,14 +1,17 @@
 package com.jd.blockchain.sdk.samples;
 
-import com.jd.blockchain.contract.TransferContract;
-import com.jd.blockchain.ledger.*;
+import static com.jd.blockchain.sdk.samples.SDKDemo_Constant.readChainCodes;
+import static com.jd.blockchain.transaction.ContractReturnValue.decode;
+
+import com.jd.blockchain.ledger.BlockchainKeyGenerator;
+import com.jd.blockchain.ledger.BlockchainKeypair;
+import com.jd.blockchain.ledger.PreparedTransaction;
+import com.jd.blockchain.ledger.TransactionResponse;
+import com.jd.blockchain.ledger.TransactionTemplate;
 import com.jd.blockchain.transaction.GenericValueHolder;
 import com.jd.blockchain.utils.Bytes;
 import com.jd.chain.contracts.ContractTestInf;
 
-import static com.jd.blockchain.sdk.samples.SDKDemo_Constant.readChainCodes;
-import static com.jd.blockchain.transaction.ContractReturnValue.decode;
-
 public class SDK_Contract_Check_Demo extends SDK_Base_Demo {
 
 	public static void main(String[] args) {
diff --git a/samples/sdk-samples/src/main/java/com/jd/blockchain/sdk/samples/SDK_Contract_Demo.java b/samples/sdk-samples/src/main/java/com/jd/blockchain/sdk/samples/SDK_Contract_Demo.java
index caae0d6d..0574cf51 100644
--- a/samples/sdk-samples/src/main/java/com/jd/blockchain/sdk/samples/SDK_Contract_Demo.java
+++ b/samples/sdk-samples/src/main/java/com/jd/blockchain/sdk/samples/SDK_Contract_Demo.java
@@ -6,12 +6,12 @@ import static com.jd.blockchain.transaction.ContractReturnValue.decode;
 import com.jd.blockchain.contract.TransferContract;
 import com.jd.blockchain.ledger.BlockchainKeyGenerator;
 import com.jd.blockchain.ledger.BlockchainKeypair;
-import com.jd.blockchain.ledger.TypedKVEntry;
 import com.jd.blockchain.ledger.PreparedTransaction;
 import com.jd.blockchain.ledger.TransactionResponse;
 import com.jd.blockchain.ledger.TransactionTemplate;
-import com.jd.blockchain.transaction.LongValueHolder;
+import com.jd.blockchain.ledger.TypedKVEntry;
 import com.jd.blockchain.transaction.GenericValueHolder;
+import com.jd.blockchain.transaction.LongValueHolder;
 import com.jd.blockchain.utils.Bytes;
 
 public class SDK_Contract_Demo extends SDK_Base_Demo {
diff --git a/test/pom.xml b/test/pom.xml
index 5219328f..4928243f 100644
--- a/test/pom.xml
+++ b/test/pom.xml
@@ -4,29 +4,114 @@
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>com.jd.blockchain</groupId>
-		<artifactId>jdchain-root</artifactId>
-		<version>1.1.2.RELEASE</version>
+		<artifactId>jdchain-core</artifactId>
+		<version>1.2.0-SNAPSHOT</version>
+		<relativePath>../core</relativePath>
 	</parent>
+
+
+	<groupId>com.jd.blockchain</groupId>
 	<artifactId>test</artifactId>
+	<version>1.2.0-SNAPSHOT</version>
 	<packaging>pom</packaging>
 
+	<properties>
+		<core.version>1.2.0-SNAPSHOT</core.version>
+	</properties>
+
 	<modules>
+		<module>../core</module>
 		<module>test-consensus-client</module>
 		<module>test-consensus-node</module>
 		<module>test-ledger</module>
+		<module>test-contract</module>
 		<module>test-integration</module>
 	</modules>
 
-	<build>
-		<plugins>
-			<plugin>
-				<groupId>org.apache.maven.plugins</groupId>
-				<artifactId>maven-deploy-plugin</artifactId>
-				<version>2.8.2</version>
-				<configuration>
-					<skip>true</skip>
-				</configuration>
-			</plugin>
-		</plugins>
-	</build>
+
+	<dependencyManagement>
+		<dependencies>
+			<dependency>
+				<groupId>com.jd.blockchain</groupId>
+				<artifactId>consensus-bftsmart</artifactId>
+				<version>${core.version}</version>
+			</dependency>
+			<dependency>
+				<groupId>com.jd.blockchain</groupId>
+				<artifactId>consensus-mq</artifactId>
+				<version>${core.version}</version>
+			</dependency>
+			
+			<dependency>
+				<groupId>com.jd.blockchain</groupId>
+				<artifactId>contract-jvm</artifactId>
+				<version>${core.version}</version>
+			</dependency>
+			<dependency>
+				<groupId>com.jd.blockchain</groupId>
+				<artifactId>contract-maven-plugin</artifactId>
+				<version>${core.version}</version>
+			</dependency>
+			
+			<dependency>
+				<groupId>com.jd.blockchain</groupId>
+				<artifactId>crypto-adv</artifactId>
+				<version>${core.version}</version>
+			</dependency>
+			<dependency>
+				<groupId>com.jd.blockchain</groupId>
+				<artifactId>crypto-pki</artifactId>
+				<version>${core.version}</version>
+			</dependency>
+			
+			<dependency>
+				<groupId>com.jd.blockchain</groupId>
+				<artifactId>gateway</artifactId>
+				<version>${core.version}</version>
+			</dependency>
+			
+			<dependency>
+				<groupId>com.jd.blockchain</groupId>
+				<artifactId>peer</artifactId>
+				<version>${core.version}</version>
+			</dependency>
+			
+			<dependency>
+				<groupId>com.jd.blockchain</groupId>
+				<artifactId>ledger-database</artifactId>
+				<version>${core.version}</version>
+			</dependency>
+			
+			<dependency>
+				<groupId>com.jd.blockchain</groupId>
+				<artifactId>runtime-context</artifactId>
+				<version>${core.version}</version>
+			</dependency>
+			<dependency>
+				<groupId>com.jd.blockchain</groupId>
+				<artifactId>runtime-modular</artifactId>
+				<version>${core.version}</version>
+			</dependency>
+			<dependency>
+				<groupId>com.jd.blockchain</groupId>
+				<artifactId>runtime-modular-booter</artifactId>
+				<version>${core.version}</version>
+			</dependency>
+			
+			<dependency>
+				<groupId>com.jd.blockchain</groupId>
+				<artifactId>storage-redis</artifactId>
+				<version>${core.version}</version>
+			</dependency>
+			<dependency>
+				<groupId>com.jd.blockchain</groupId>
+				<artifactId>storage-rocksdb</artifactId>
+				<version>${core.version}</version>
+			</dependency>
+			
+			
+		</dependencies>
+
+	</dependencyManagement>
+
 </project>
\ No newline at end of file
diff --git a/test/test-consensus-client/pom.xml b/test/test-consensus-client/pom.xml
index 78bc7c75..241f946e 100644
--- a/test/test-consensus-client/pom.xml
+++ b/test/test-consensus-client/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>com.jd.blockchain</groupId>
 		<artifactId>test</artifactId>
-		<version>1.1.2.RELEASE</version>
+		<version>1.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>test-consensus-client</artifactId>
 
@@ -29,25 +29,19 @@
 		<dependency>
 			<groupId>com.jd.blockchain</groupId>
 			<artifactId>consensus-bftsmart</artifactId>
-			<version>${project.version}</version>
+			<version>${core.version}</version>
 		</dependency>
-		<dependency>
+		<!-- <dependency>
 			<groupId>com.jd.blockchain</groupId>
 			<artifactId>utils-http</artifactId>
-			<version>${project.version}</version>
-		</dependency>
+			<version>${framework.version}</version>
+		</dependency> -->
 		<dependency>
 			<groupId>org.springframework.boot</groupId>
 			<artifactId>spring-boot-configuration-processor</artifactId>
 			<optional>true</optional>
 		</dependency>
-		<!--
-		<dependency>
-			<groupId>com.jd.ump</groupId>
-			<artifactId>profiler</artifactId>
-			<version>4.0.5</version>
-		</dependency>
-		-->
+		
 	</dependencies>
 	<build>
 		<plugins>
diff --git a/test/test-consensus-node/pom.xml b/test/test-consensus-node/pom.xml
index af98ce14..5f60b7ed 100644
--- a/test/test-consensus-node/pom.xml
+++ b/test/test-consensus-node/pom.xml
@@ -5,9 +5,10 @@
 	<parent>
 		<groupId>com.jd.blockchain</groupId>
 		<artifactId>test</artifactId>
-		<version>1.1.2.RELEASE</version>
+		<version>1.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>test-consensus-node</artifactId>
+
 	<dependencies>
 		<dependency>
 			<groupId>org.springframework.boot</groupId>
@@ -28,17 +29,12 @@
 		<dependency>
 			<groupId>com.jd.blockchain</groupId>
 			<artifactId>peer</artifactId>
-			<version>${project.version}</version>
+			<version>${core.version}</version>
 		</dependency>
-		<!--<dependency>-->
-			<!--<groupId>com.jd.blockchain</groupId>-->
-			<!--<artifactId>consensus</artifactId>-->
-			<!--<version>${project.version}</version>-->
-		<!--</dependency>-->
 		<dependency>
 			<groupId>com.jd.blockchain</groupId>
 			<artifactId>consensus-bftsmart</artifactId>
-			<version>1.1.2.RELEASE</version>
+			<version>${core.version}</version>
 		</dependency>
 		<dependency>
 			<groupId>org.springframework.boot</groupId>
diff --git a/test/test-contract/pom.xml b/test/test-contract/pom.xml
index a9c59ddf..ac5e45d5 100644
--- a/test/test-contract/pom.xml
+++ b/test/test-contract/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>com.jd.blockchain</groupId>
 		<artifactId>test</artifactId>
-		<version>1.0.1.RELEASE</version>
+		<version>1.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>test-contract</artifactId>
 
@@ -13,22 +13,22 @@
 		<dependency>
 			<groupId>com.jd.blockchain</groupId>
 			<artifactId>contract-jvm</artifactId>
-			<version>${project.version}</version>
+			<version>${core.version}</version>
 		</dependency>
 		<dependency>
 			<groupId>com.jd.blockchain</groupId>
-			<artifactId>ledger-core</artifactId>
-			<version>${project.version}</version>
+			<artifactId>ledger-database</artifactId>
+			<version>${core.version}</version>
 		</dependency>
 		<dependency>
 			<groupId>com.jd.blockchain</groupId>
 			<artifactId>storage-rocksdb</artifactId>
-			<version>${project.version}</version>
+			<version>${core.version}</version>
 		</dependency>
-		<dependency>
+		<!-- <dependency>
 			<groupId>com.jd.blockchain</groupId>
 			<artifactId>crypto-classic</artifactId>
-			<version>${project.version}</version>
-		</dependency>
+			<version>${framework.version}</version>
+		</dependency> -->
 	</dependencies>
 </project>
\ No newline at end of file
diff --git a/test/test-integration/pom.xml b/test/test-integration/pom.xml
index 4f63af4d..07fc7801 100644
--- a/test/test-integration/pom.xml
+++ b/test/test-integration/pom.xml
@@ -5,60 +5,61 @@
 	<parent>
 		<groupId>com.jd.blockchain</groupId>
 		<artifactId>test</artifactId>
-		<version>1.1.2.RELEASE</version>
+		<version>1.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>test-integration</artifactId>
 
 	<dependencies>
+		<dependency>
+			<groupId>org.mockito</groupId>
+			<artifactId>mockito-core</artifactId>
+			<scope>compile</scope>
+		</dependency>
 		<dependency>
 			<groupId>com.jd.blockchain</groupId>
 			<artifactId>peer</artifactId>
-			<version>${project.version}</version>
+			<version>${core.version}</version>
 		</dependency>
 		<dependency>
 			<groupId>com.jd.blockchain</groupId>
 			<artifactId>storage-rocksdb</artifactId>
-			<version>${project.version}</version>
+			<version>${core.version}</version>
 		</dependency>
 		<dependency>
 			<groupId>com.jd.blockchain</groupId>
 			<artifactId>storage-redis</artifactId>
-			<version>${project.version}</version>
+			<version>${core.version}</version>
 		</dependency>
 		<dependency>
 			<groupId>com.jd.blockchain</groupId>
 			<artifactId>gateway</artifactId>
-			<version>${project.version}</version>
+			<version>${core.version}</version>
 		</dependency>
 		<dependency>
 			<groupId>com.jd.blockchain</groupId>
 			<artifactId>tools-initializer</artifactId>
-			<version>${project.version}</version>
+			<version>${core.version}</version>
 		</dependency>
 		<dependency>
 			<groupId>com.jd.blockchain</groupId>
 			<artifactId>sdk-client</artifactId>
-			<version>${project.version}</version>
+			<version>${framework.version}</version>
 		</dependency>
 
-        <dependency>
-            <groupId>com.jd.blockchain</groupId>
-            <artifactId>contract-samples</artifactId>
-            <version>${project.version}</version>
-        </dependency>
-
 		<dependency>
-			<groupId>io.nats</groupId>
-			<artifactId>jnats</artifactId>
+			<groupId>com.jd.blockchain</groupId>
+			<artifactId>crypto-classic</artifactId>
+			<version>${framework.version}</version>
 		</dependency>
 
+
 		<dependency>
-			<groupId>com.jd.blockchain</groupId>
-			<artifactId>crypto-classic</artifactId>
-			<version>${project.version}</version>
+			<groupId>io.nats</groupId>
+			<artifactId>jnats</artifactId>
 		</dependency>
 
 	</dependencies>
+	
 	<build>
 		<plugins>
 			<plugin>
diff --git a/test/test-integration/src/main/java/test/com/jd/blockchain/intgr/IntegrationTest.java b/test/test-integration/src/main/java/test/com/jd/blockchain/intgr/IntegrationTest.java
index 05824443..16fae5c0 100644
--- a/test/test-integration/src/main/java/test/com/jd/blockchain/intgr/IntegrationTest.java
+++ b/test/test-integration/src/main/java/test/com/jd/blockchain/intgr/IntegrationTest.java
@@ -8,6 +8,7 @@ import java.util.Properties;
 import java.util.Random;
 import java.util.concurrent.CountDownLatch;
 
+import org.mockito.Mockito;
 import org.springframework.core.io.ClassPathResource;
 
 import com.jd.blockchain.consensus.ConsensusProvider;
diff --git a/test/test-integration/src/test/java/test/com/jd/blockchain/intgr/IntegrationBase.java b/test/test-integration/src/test/java/test/com/jd/blockchain/intgr/IntegrationBase.java
index 37c792f2..d2ec4e1e 100644
--- a/test/test-integration/src/test/java/test/com/jd/blockchain/intgr/IntegrationBase.java
+++ b/test/test-integration/src/test/java/test/com/jd/blockchain/intgr/IntegrationBase.java
@@ -31,7 +31,7 @@ import org.apache.commons.io.FileUtils;
 import org.springframework.core.io.ClassPathResource;
 
 import com.jd.blockchain.binaryproto.DataContractRegistry;
-import com.jd.blockchain.contract.ReadContract;
+//import com.jd.blockchain.contract.ReadContract;
 import com.jd.blockchain.crypto.AddressEncoding;
 import com.jd.blockchain.crypto.AsymmetricKeypair;
 import com.jd.blockchain.crypto.HashDigest;
diff --git a/test/test-integration/src/test/java/test/com/jd/blockchain/intgr/ReadContract.java b/test/test-integration/src/test/java/test/com/jd/blockchain/intgr/ReadContract.java
new file mode 100644
index 00000000..1c22a57c
--- /dev/null
+++ b/test/test-integration/src/test/java/test/com/jd/blockchain/intgr/ReadContract.java
@@ -0,0 +1,17 @@
+package test.com.jd.blockchain.intgr;
+
+import com.jd.blockchain.contract.Contract;
+import com.jd.blockchain.contract.ContractEvent;
+
+@Contract
+public interface ReadContract {
+
+    @ContractEvent(name = "read-key")
+    String read(String address, String key);
+
+    @ContractEvent(name = "version-key")
+    Long readVersion(String address, String key);
+
+    int test();
+}
+
diff --git a/test/test-integration/src/test/java/test/com/jd/blockchain/intgr/ReadContractImpl.java b/test/test-integration/src/test/java/test/com/jd/blockchain/intgr/ReadContractImpl.java
new file mode 100644
index 00000000..87380e3b
--- /dev/null
+++ b/test/test-integration/src/test/java/test/com/jd/blockchain/intgr/ReadContractImpl.java
@@ -0,0 +1,54 @@
+package test.com.jd.blockchain.intgr;
+
+import com.jd.blockchain.contract.Contract;
+import com.jd.blockchain.contract.ContractEvent;
+import com.jd.blockchain.contract.ContractEventContext;
+import com.jd.blockchain.contract.EventProcessingAware;
+import com.jd.blockchain.crypto.HashDigest;
+import com.jd.blockchain.ledger.TypedKVEntry;
+
+@Contract
+public class ReadContractImpl implements EventProcessingAware, ReadContract {
+
+    private ContractEventContext eventContext;
+
+    private HashDigest ledgerHash;
+
+    @Override
+    public void beforeEvent(ContractEventContext eventContext) {
+        this.eventContext = eventContext;
+        this.ledgerHash = eventContext.getCurrentLedgerHash();
+    }
+
+    @Override
+    public void postEvent(ContractEventContext eventContext, Exception error) {
+
+    }
+
+    @Override
+    @ContractEvent(name = "read-key")
+    public String read(String address, String key) {
+        TypedKVEntry[] kvDataEntries = eventContext.getLedger().getDataEntries(ledgerHash, address, key);
+
+        if (kvDataEntries != null && kvDataEntries.length == 1) {
+            return kvDataEntries[0].getValue().toString();
+        }
+        return null;
+    }
+
+    @Override
+    @ContractEvent(name = "version-key")
+    public Long readVersion(String address, String key) {
+        TypedKVEntry[] kvDataEntries = eventContext.getLedger().getDataEntries(ledgerHash, address, key);
+
+        if (kvDataEntries != null && kvDataEntries.length == 1) {
+            return kvDataEntries[0].getVersion();
+        }
+        return -1L;
+    }
+
+    @Override
+    public int test() {
+        return 0;
+    }
+}
diff --git a/test/test-ledger/pom.xml b/test/test-ledger/pom.xml
index 5c001f85..f59f96e1 100644
--- a/test/test-ledger/pom.xml
+++ b/test/test-ledger/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>com.jd.blockchain</groupId>
 		<artifactId>test</artifactId>
-		<version>1.1.2.RELEASE</version>
+		<version>1.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>test-ledger</artifactId>
 
@@ -13,27 +13,27 @@
 		<dependency>
 			<groupId>com.jd.blockchain</groupId>
 			<artifactId>tools-initializer</artifactId>
-			<version>${project.version}</version>
+			<version>${core.version}</version>
 		</dependency>
 		<dependency>
 			<groupId>com.jd.blockchain</groupId>
-			<artifactId>ledger-core</artifactId>
-			<version>${project.version}</version>
+			<artifactId>ledger-database</artifactId>
+			<version>${core.version}</version>
 		</dependency>
 		<dependency>
 			<groupId>com.jd.blockchain</groupId>
 			<artifactId>storage-redis</artifactId>
-			<version>${project.version}</version>
+			<version>${core.version}</version>
 		</dependency>
 		<dependency>
 			<groupId>com.jd.blockchain</groupId>
 			<artifactId>storage-rocksdb</artifactId>
-			<version>${project.version}</version>
+			<version>${core.version}</version>
 		</dependency>
 		<dependency>
 			<groupId>com.jd.blockchain</groupId>
 			<artifactId>crypto-classic</artifactId>
-			<version>${project.version}</version>
+			<version>${framework.version}</version>
 		</dependency>
 		
 	</dependencies>