diff --git a/core b/core
index c7f866ea..8a269ab6 160000
--- a/core
+++ b/core
@@ -1 +1 @@
-Subproject commit c7f866ea614f8e25d23889842aca63b47cd32f8f
+Subproject commit 8a269ab652f3e08d658cc922aa7744ab14d1cb30
diff --git a/deploy/deploy-kvdb/pom.xml b/deploy/deploy-kvdb/pom.xml
deleted file mode 100644
index bdf82e22..00000000
--- a/deploy/deploy-kvdb/pom.xml
+++ /dev/null
@@ -1,99 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
-    <parent>
-        <artifactId>deploy-root</artifactId>
-        <groupId>com.jd.blockchain</groupId>
-        <version>1.4.0-SNAPSHOT</version>
-    </parent>
-    <modelVersion>4.0.0</modelVersion>
-
-    <artifactId>deploy-kvdb</artifactId>
-    <version>1.0.1.RELEASE</version>
-
-    <dependencies>
-
-        <dependency>
-            <groupId>com.jd.blockchain</groupId>
-            <artifactId>kvdb-protocol</artifactId>
-            <version>${kvdb.version}</version>
-        </dependency>
-
-        <dependency>
-            <groupId>com.jd.blockchain</groupId>
-            <artifactId>kvdb-engine</artifactId>
-            <version>${kvdb.version}</version>
-        </dependency>
-
-        <dependency>
-            <groupId>com.jd.blockchain</groupId>
-            <artifactId>kvdb-server</artifactId>
-            <version>${kvdb.version}</version>
-        </dependency>
-
-        <dependency>
-            <groupId>com.jd.blockchain</groupId>
-            <artifactId>kvdb-cli</artifactId>
-            <version>${kvdb.version}</version>
-        </dependency>
-
-        <dependency>
-            <groupId>com.jd.blockchain</groupId>
-            <artifactId>kvdb-benchmark</artifactId>
-            <version>${kvdb.version}</version>
-        </dependency>
-
-        <dependency>
-            <groupId>com.jd.blockchain</groupId>
-            <artifactId>kvdb-client</artifactId>
-            <version>${kvdb.version}</version>
-        </dependency>
-    </dependencies>
-
-    <build>
-        <plugins>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-assembly-plugin</artifactId>
-                <executions>
-                    <execution>
-                        <id>make-assembly</id>
-                        <phase>package</phase>
-                        <goals>
-                            <goal>single</goal>
-                        </goals>
-                        <configuration>
-                            <finalName>kvdb</finalName>
-                            <descriptors>
-                                <descriptor>src/main/resources/assembly.xml</descriptor>
-                            </descriptors>
-                        </configuration>
-                    </execution>
-                </executions>
-            </plugin>
-
-            <!-- 生成SHA-256校验文件 -->
-            <plugin>
-                <groupId>net.nicoulaj.maven.plugins</groupId>
-                <artifactId>checksum-maven-plugin</artifactId>
-                <version>1.8</version>
-                <executions>
-                    <execution>
-                        <goals>
-                            <goal>artifacts</goal>
-                        </goals>
-                    </execution>
-                </executions>
-                <configuration>
-                    <algorithms>
-                        <algorithm>SHA-256</algorithm> <!--采用SHA-256算法，还支持其他算法-->
-                    </algorithms>
-                    <file>${project.basedir}/target/deployment-kvdb-${project.version}.zip</file><!--给zip文件进行加密-->
-                    <xmlSummary>true</xmlSummary><!--生成XML格式的md5文件-->
-                    <xmlSummaryFile>${project.basedir}/target/SHA-256.xml</xmlSummaryFile>
-                </configuration>
-            </plugin>
-        </plugins>
-    </build>
-</project>
diff --git a/deploy/deploy-kvdb/src/main/resources/assembly.xml b/deploy/deploy-kvdb/src/main/resources/assembly.xml
deleted file mode 100644
index 34a09ee3..00000000
--- a/deploy/deploy-kvdb/src/main/resources/assembly.xml
+++ /dev/null
@@ -1,54 +0,0 @@
-<?xml version='1.0' encoding='UTF-8'?>
-<assembly xmlns="http://maven.apache.org/plugins/maven-assembly-plugin/assembly/1.1.0"
-          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-          xsi:schemaLocation="http://maven.apache.org/plugins/maven-assembly-plugin/assembly/1.1.0
-                    http://maven.apache.org/xsd/assembly-1.1.0.xsd">
-    <id>${project.version}</id>
-    <formats>
-        <format>zip</format>
-    </formats>
-    <includeBaseDirectory>false</includeBaseDirectory>
-    <fileSets>
-        <fileSet>
-            <directory>src/main/resources/script</directory>
-            <outputDirectory>bin</outputDirectory>
-            <lineEnding>unix</lineEnding>
-        </fileSet>
-        <fileSet>
-            <directory>src/main/resources/config</directory>
-            <outputDirectory>config</outputDirectory>
-            <lineEnding>unix</lineEnding>
-        </fileSet>
-        <fileSet>
-            <directory>src/main/resources/system</directory>
-            <outputDirectory>system</outputDirectory>
-            <lineEnding>unix</lineEnding>
-        </fileSet>
-    </fileSets>
-    <dependencySets>
-        <dependencySet>
-            <unpack>false</unpack>
-            <useProjectArtifact>true</useProjectArtifact>
-            <outputDirectory>libs</outputDirectory>
-        </dependencySet>
-
-    </dependencySets>
-    <moduleSets>
-        <moduleSet>
-            <useAllReactorProjects>true</useAllReactorProjects>
-            <includes>
-                <include>com.jd.blockchain:kvdb-engine</include>
-                <include>com.jd.blockchain:kvdb-benchmark</include>
-                <include>com.jd.blockchain:kvdb-client</include>
-                <include>com.jd.blockchain:kvdb-protocol</include>
-                <include>com.jd.blockchain:kvdb-cli</include>
-                <include>com.jd.blockchain:kvdb-server</include>
-            </includes>
-            <binaries>
-                <outputDirectory>libs</outputDirectory>
-                <unpack>false</unpack>
-            </binaries>
-        </moduleSet>
-    </moduleSets>
-
-</assembly>
\ No newline at end of file
diff --git a/deploy/deploy-kvdb/src/main/resources/config/cluster.conf b/deploy/deploy-kvdb/src/main/resources/config/cluster.conf
deleted file mode 100644
index 9801c753..00000000
--- a/deploy/deploy-kvdb/src/main/resources/config/cluster.conf
+++ /dev/null
@@ -1,11 +0,0 @@
-# 数据库集群的分片数，每一个分片都赋予唯一的编号，分片编号最小为 0，所有分片的编号必须连续递增
-#cluster.test1.partitions=2
-# 数据库集群 ‘<name>’ 的第 1 个分片的数据库实例地址(URL格式)；
-#cluster.test1.0=kvdb://localhost:7078/test1
-# 数据库集群 ‘<name>’ 的第 2 个分片的数据库实例地址(URL格式)；
-#cluster.test1.1=kvdb://localhost:7079/test1
-
-# 指定多个不同的集群
-#cluster.test2.partitions=2
-#cluster.test2.0=kvdb://localhost:7078/test2
-#cluster.test2.1=kvdb://localhost:7079/test2
\ No newline at end of file
diff --git a/deploy/deploy-kvdb/src/main/resources/config/kvdb.conf b/deploy/deploy-kvdb/src/main/resources/config/kvdb.conf
deleted file mode 100644
index 1b47c61a..00000000
--- a/deploy/deploy-kvdb/src/main/resources/config/kvdb.conf
+++ /dev/null
@@ -1,15 +0,0 @@
-# 数据库服务的本机监听地址；
-server.host=0.0.0.0
-
-# 数据库服务的本机监听端口；
-server.port=7078
-
-# 管理控制台的端口；
-# 注：管理控制台总是绑定到环回地址 127.0.0.1，只允许本机访问；
-manager.port=7060
-
-# 数据库实例默认的根目录
-dbs.rootdir=../dbs
-
-# 数据库实例默认的本地分区数
-dbs.partitions=4
\ No newline at end of file
diff --git a/deploy/deploy-kvdb/src/main/resources/script/kvdb-benchmark.sh b/deploy/deploy-kvdb/src/main/resources/script/kvdb-benchmark.sh
deleted file mode 100644
index b2180397..00000000
--- a/deploy/deploy-kvdb/src/main/resources/script/kvdb-benchmark.sh
+++ /dev/null
@@ -1,12 +0,0 @@
-#!/bin/bash
-
-HOME=$(cd `dirname $0`;cd ../; pwd)
-KVDB=$(ls $HOME/libs | grep kvdb-benchmark)
-JVM_SET="-Xmx2g -Xms2g"
-LOG_SET="-Dlogging.path="$HOME/logs" -Dlogging.level=error"
-PROC_INFO=$HOME/libs/$KVDB
-if [ ! -n "$KVDB" ]; then
-  echo "Can not find kvdb-benchmark !!!"
-else
-  java -jar $LOG_SET $JVM_SET $PROC_INFO $*
-fi
\ No newline at end of file
diff --git a/deploy/deploy-kvdb/src/main/resources/script/kvdb-cli.sh b/deploy/deploy-kvdb/src/main/resources/script/kvdb-cli.sh
deleted file mode 100644
index fd6474a8..00000000
--- a/deploy/deploy-kvdb/src/main/resources/script/kvdb-cli.sh
+++ /dev/null
@@ -1,12 +0,0 @@
-#!/bin/bash
-
-HOME=$(cd `dirname $0`;cd ../; pwd)
-KVDB=$(ls $HOME/libs | grep kvdb-cli)
-JVM_SET="-Xmx2g -Xms2g"
-LOG_SET="-Dlogging.path="$HOME/logs" -Dlogging.level.root=error"
-PROC_INFO=$HOME/libs/$KVDB
-if [ ! -n "$KVDB" ]; then
-  echo "Can not find kvdb-cli !!!"
-else
-  java -jar $LOG_SET $JVM_SET $PROC_INFO $*
-fi
\ No newline at end of file
diff --git a/deploy/deploy-kvdb/src/main/resources/script/start.sh b/deploy/deploy-kvdb/src/main/resources/script/start.sh
deleted file mode 100644
index 18fdc9c6..00000000
--- a/deploy/deploy-kvdb/src/main/resources/script/start.sh
+++ /dev/null
@@ -1,23 +0,0 @@
-#!/bin/bash
-
-HOME=$(cd `dirname $0`;cd ../; pwd)
-KVDB=$(ls $HOME/libs | grep kvdb-server)
-JVM_SET="-Xmx2g -Xms2g"
-PROC_INFO=$HOME/libs/$KVDB" -home "$HOME
-LOG_SET="-Dlogging.path="$HOME/logs" -Dlogging.level=error"
-#echo $PROC_INFO
-#get PID
-PID=`ps -ef | grep "$PROC_INFO" | grep -v grep | awk '{print $2}'`
-#echo $PID
-if [[ ! -z $PID ]]
-then
-  echo "process already exists,please check... If necessary, you should kill the process first."
-  exit
-fi
-if [ ! -n "$KVDB" ]; then
-  echo "Can not find kvdb-server !!!"
-else
-  nohup java -jar $LOG_SET $JVM_SET $PROC_INFO $* >/dev/null 2>&1 &
-
-  echo $! > $HOME/system/pid
-fi
\ No newline at end of file
diff --git a/deploy/deploy-kvdb/src/main/resources/script/stop.sh b/deploy/deploy-kvdb/src/main/resources/script/stop.sh
deleted file mode 100644
index 5b654ff7..00000000
--- a/deploy/deploy-kvdb/src/main/resources/script/stop.sh
+++ /dev/null
@@ -1,27 +0,0 @@
-#!/bin/bash
-
-#启动Home路径
-HOME=$(cd `dirname $0`;cd ../; pwd)
-
-#进程启动后PID.log所在路径
-PID_LOG=$HOME/system/pid
-
-#从启动文件中读取PID
-if [ -f "$PID_LOG" ]; then
-    # File exist
-    echo "Read PID From File:[$PID_LOG] ..."
-    PID=`sed -n '$p' $PID_LOG`
-#启动文件不存在则直接通过PS进行过滤
-else
-    PID=`ps -ef | grep $HOME/libs/kvdb-server | grep -v grep | awk '{print $2}'`
-fi
-
-#通过Kill命令将进程杀死
-if [ -z "$PID" ]; then
-    echo "Unable to find kvdb PID. stop aborted."
-else
-    echo "Start to kill PID = $PID ..."
-    kill -9 $PID
-    echo "kvdb has been stopped ..."
-    echo "" > $PID_LOG
-fi
\ No newline at end of file
diff --git a/deploy/deploy-kvdb/src/main/resources/system/dblist b/deploy/deploy-kvdb/src/main/resources/system/dblist
deleted file mode 100644
index 0d45040c..00000000
--- a/deploy/deploy-kvdb/src/main/resources/system/dblist
+++ /dev/null
@@ -1,2 +0,0 @@
-#通过配置enable为true可以在kvdb-server启动时创建或加载指定数据库
-#db.test1.enable=true
\ No newline at end of file
diff --git a/deploy/pom.xml b/deploy/pom.xml
index de93b710..fbb4ce19 100644
--- a/deploy/pom.xml
+++ b/deploy/pom.xml
@@ -21,7 +21,6 @@
 		<module>../core</module>
 		<module>deploy-gateway</module>
 		<module>deploy-peer</module>
-		<module>deploy-kvdb</module>
 	</modules>
 
 </project>
diff --git a/kvdb b/kvdb
deleted file mode 160000
index 410de249..00000000
--- a/kvdb
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 410de24918b6c7214bafe316f5cc734d87c5b433
diff --git a/pom.xml b/pom.xml
index cd954299..eff9ec18 100644
--- a/pom.xml
+++ b/pom.xml
@@ -13,7 +13,6 @@
 		<module>project</module>
 		<module>framework</module>
 		<module>core</module>
-		<module>kvdb</module>
 		<module>deploy</module>
 		<module>test</module>
 		<module>samples</module>