diff --git a/admin/pom.xml b/admin/pom.xml
index 23354256..f4ae8b00 100644
--- a/admin/pom.xml
+++ b/admin/pom.xml
@@ -1,5 +1,11 @@
 <?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>
+        <groupId>com.alibaba.otter</groupId>
+        <artifactId>canal</artifactId>
+        <version>1.1.7-SNAPSHOT</version>
+        <relativePath>../pom.xml</relativePath>
+    </parent>
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.alibaba.otter</groupId>
     <artifactId>canal.admin</artifactId>
@@ -18,7 +24,6 @@
         <java_source_version>1.8</java_source_version>
         <java_target_version>1.8</java_target_version>
         <file_encoding>UTF-8</file_encoding>
-        <log4j_version>2.17.0</log4j_version>
     </properties>
 
     <dependencyManagement>
@@ -28,38 +33,6 @@
                 <artifactId>spring-cloud-context</artifactId>
                 <version>2.0.0.RELEASE</version>
             </dependency>
-            <dependency>
-                <groupId>org.springframework</groupId>
-                <artifactId>spring-core</artifactId>
-                <version>5.0.5.RELEASE</version>
-            </dependency>
-            <dependency>
-                <groupId>org.springframework</groupId>
-                <artifactId>spring-aop</artifactId>
-                <version>5.0.5.RELEASE</version>
-            </dependency>
-            <dependency>
-                <groupId>org.springframework</groupId>
-                <artifactId>spring-context</artifactId>
-                <version>5.0.5.RELEASE</version>
-            </dependency>
-            <dependency>
-                <groupId>org.springframework</groupId>
-                <artifactId>spring-jdbc</artifactId>
-                <version>5.0.5.RELEASE</version>
-            </dependency>
-            <dependency>
-                <groupId>org.springframework</groupId>
-                <artifactId>spring-orm</artifactId>
-                <version>5.0.5.RELEASE</version>
-            </dependency>
-            <dependency>
-                <groupId>org.springframework</groupId>
-                <artifactId>spring-test</artifactId>
-                <version>5.0.5.RELEASE</version>
-                <scope>test</scope>
-            </dependency>
-
             <dependency>
                 <groupId>org.springframework.boot</groupId>
                 <artifactId>spring-boot-dependencies</artifactId>
@@ -67,46 +40,16 @@
                 <type>pom</type>
                 <scope>import</scope>
             </dependency>
-            <dependency>
-                <groupId>mysql</groupId>
-                <artifactId>mysql-connector-java</artifactId>
-                <version>5.1.48</version>
-            </dependency>
             <dependency>
                 <groupId>com.github.ben-manes.caffeine</groupId>
                 <artifactId>caffeine</artifactId>
                 <version>2.6.2</version>
             </dependency>
-            <dependency>
-                <groupId>commons-beanutils</groupId>
-                <artifactId>commons-beanutils</artifactId>
-                <version>1.8.2</version>
-            </dependency>
-            <dependency>
-                <groupId>commons-lang</groupId>
-                <artifactId>commons-lang</artifactId>
-                <version>2.6</version>
-            </dependency>
             <dependency>
                 <groupId>io.ebean</groupId>
                 <artifactId>ebean</artifactId>
                 <version>11.41.1</version>
             </dependency>
-            <dependency>
-                <groupId>org.apache.logging.log4j</groupId>
-                <artifactId>log4j-core</artifactId>
-                <version>${log4j_version}</version>
-            </dependency>
-            <dependency>
-                <groupId>org.apache.logging.log4j</groupId>
-                <artifactId>log4j-api</artifactId>
-                <version>${log4j_version}</version>
-            </dependency>
-            <dependency>
-                <groupId>org.apache.logging.log4j</groupId>
-                <artifactId>log4j-to-slf4j</artifactId>
-                <version>${log4j_version}</version>
-            </dependency>
         </dependencies>
     </dependencyManagement>
 
diff --git a/client-adapter/common/pom.xml b/client-adapter/common/pom.xml
index 21213cf0..2bab94c2 100644
--- a/client-adapter/common/pom.xml
+++ b/client-adapter/common/pom.xml
@@ -60,5 +60,4 @@
             <scope>test</scope>
         </dependency>
     </dependencies>
-
 </project>
diff --git a/client-adapter/hbase/pom.xml b/client-adapter/hbase/pom.xml
index bdc17fb3..68513c52 100644
--- a/client-adapter/hbase/pom.xml
+++ b/client-adapter/hbase/pom.xml
@@ -21,7 +21,6 @@
         <dependency>
             <groupId>org.apache.hbase</groupId>
             <artifactId>hbase-shaded-client</artifactId>
-            <version>1.1.2</version>
             <exclusions>
                 <exclusion>
                     <groupId>org.slf4j</groupId>
diff --git a/client-adapter/kudu/pom.xml b/client-adapter/kudu/pom.xml
index e2d30c89..1e865bd5 100644
--- a/client-adapter/kudu/pom.xml
+++ b/client-adapter/kudu/pom.xml
@@ -21,18 +21,15 @@
         <dependency>
             <groupId>org.apache.kudu</groupId>
             <artifactId>kudu-client</artifactId>
-            <version>1.6.0</version>
         </dependency>
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.12</version>
             <scope>test</scope>
         </dependency>
         <dependency>
             <groupId>mysql</groupId>
             <artifactId>mysql-connector-java</artifactId>
-            <version>5.1.48</version>
             <scope>test</scope>
         </dependency>
     </dependencies>
diff --git a/client-adapter/logger/pom.xml b/client-adapter/logger/pom.xml
index ce8bd4c0..b4923a78 100644
--- a/client-adapter/logger/pom.xml
+++ b/client-adapter/logger/pom.xml
@@ -20,7 +20,6 @@
         </dependency>
     </dependencies>
 
-
     <build>
         <plugins>
             <plugin>
diff --git a/client-adapter/phoenix/pom.xml b/client-adapter/phoenix/pom.xml
index 91a4b3b1..6d61a00c 100644
--- a/client-adapter/phoenix/pom.xml
+++ b/client-adapter/phoenix/pom.xml
@@ -17,13 +17,12 @@
         <dependency>
             <groupId>org.apache.phoenix</groupId>
             <artifactId>phoenix-core</artifactId>
-            <version>4.14.1-HBase-1.4</version>
         </dependency>
         <dependency>
             <groupId>org.apache.hbase</groupId>
             <artifactId>hbase-client</artifactId>
-            <version>1.4.8</version>
         </dependency>
+        <!-- 强制指定protobuf版本 -->
         <dependency>
             <groupId>com.google.protobuf</groupId>
             <artifactId>protobuf-java</artifactId>
@@ -71,7 +70,6 @@
             <artifactId>fastjson2</artifactId>
             <scope>provided</scope>
         </dependency>
-
         <dependency>
             <groupId>mysql</groupId>
             <artifactId>mysql-connector-java</artifactId>
diff --git a/client-adapter/pom.xml b/client-adapter/pom.xml
index 463ea2e6..7f916036 100644
--- a/client-adapter/pom.xml
+++ b/client-adapter/pom.xml
@@ -126,35 +126,35 @@
             <dependency>
                 <groupId>org.apache.rocketmq</groupId>
                 <artifactId>rocketmq-client</artifactId>
-            <version>4.5.1</version>
+            <version>${rocketmq_version}</version>
             </dependency>
             <!-- 单独引入kafka依赖 -->
             <dependency>
                 <groupId>org.apache.kafka</groupId>
                 <artifactId>kafka-clients</artifactId>
-                <version>1.1.1</version>
+                <version>${kafka_version}</version>
             </dependency>
-
+            <!-- rabbotmq -->
             <dependency>
                 <groupId>com.rabbitmq</groupId>
                 <artifactId>amqp-client</artifactId>
-                <version>5.5.0</version>
+                <version>${rabbitmq_version}</version>
             </dependency>
             <dependency>
                 <groupId>com.alibaba.mq-amqp</groupId>
                 <artifactId>mq-amqp-client</artifactId>
-                <version>1.0.3</version>
+                <version>${mq_amqp_client}</version>
             </dependency>
             <!-- jdbc -->
             <dependency>
                 <groupId>mysql</groupId>
                 <artifactId>mysql-connector-java</artifactId>
-                <version>5.1.48</version>
+                <version>${mysql_driver_version}</version>
             </dependency>
             <dependency>
                 <groupId>org.postgresql</groupId>
                 <artifactId>postgresql</artifactId>
-                <version>42.1.4</version>
+                <version>42.3.3</version>
             </dependency>
             <dependency>
                 <groupId>com.oracle.database.jdbc</groupId>
@@ -166,7 +166,6 @@
                 <artifactId>mssql-jdbc</artifactId>
                 <version>7.0.0.jre8</version>
             </dependency>
-
             <dependency>
                 <groupId>org.apache.hbase</groupId>
                 <artifactId>hbase-shaded-client</artifactId>
@@ -182,6 +181,37 @@
                     </exclusion>
                 </exclusions>
             </dependency>
+            <dependency>
+                <groupId>org.apache.phoenix</groupId>
+                <artifactId>phoenix-core</artifactId>
+                <version>4.14.1-HBase-1.4</version>
+            </dependency>
+            <dependency>
+                <groupId>org.apache.hbase</groupId>
+                <artifactId>hbase-client</artifactId>
+                <version>1.4.8</version>
+            </dependency>
+            <dependency>
+                <groupId>com.aliyun.openservices</groupId>
+                <artifactId>tablestore</artifactId>
+                <version>5.10.3</version>
+                <classifier>jar-with-dependencies</classifier>
+                <exclusions>
+                    <exclusion>
+                        <groupId>com.google.protobuf</groupId>
+                        <artifactId>protobuf-java</artifactId>
+                    </exclusion>
+                    <exclusion>
+                        <groupId>org.apache.httpcomponents</groupId>
+                        <artifactId>httpasyncclient</artifactId>
+                    </exclusion>
+                </exclusions>
+            </dependency>
+            <dependency>
+                <groupId>org.apache.kudu</groupId>
+                <artifactId>kudu-client</artifactId>
+                <version>1.6.0</version>
+            </dependency>
             <dependency>
                 <groupId>org.apache.curator</groupId>
                 <artifactId>curator-recipes</artifactId>
@@ -201,8 +231,9 @@
             <dependency>
                 <groupId>org.yaml</groupId>
                 <artifactId>snakeyaml</artifactId>
-                <version>1.19</version>
+                <version>1.29</version>
             </dependency>
+            <!-- test -->
             <dependency>
                 <groupId>org.powermock</groupId>
                 <artifactId>powermock-api-mockito</artifactId>
@@ -233,39 +264,6 @@
                 <version>1.9.0</version>
                 <scope>test</scope>
             </dependency>
-
-            <dependency>
-                <groupId>com.aliyun.openservices</groupId>
-                <artifactId>tablestore</artifactId>
-                <version>5.10.3</version>
-                <classifier>jar-with-dependencies</classifier>
-                <exclusions>
-                    <exclusion>
-                        <groupId>com.google.protobuf</groupId>
-                        <artifactId>protobuf-java</artifactId>
-                    </exclusion>
-                    <exclusion>
-                        <groupId>org.apache.httpcomponents</groupId>
-                        <artifactId>httpasyncclient</artifactId>
-                    </exclusion>
-                </exclusions>
-            </dependency>
-
-            <dependency>
-                <groupId>org.apache.logging.log4j</groupId>
-                <artifactId>log4j-core</artifactId>
-                <version>${log4j_version}</version>
-            </dependency>
-            <dependency>
-                <groupId>org.apache.logging.log4j</groupId>
-                <artifactId>log4j-api</artifactId>
-                <version>${log4j_version}</version>
-            </dependency>
-            <dependency>
-                <groupId>org.apache.logging.log4j</groupId>
-                <artifactId>log4j-to-slf4j</artifactId>
-                <version>${log4j_version}</version>
-            </dependency>
         </dependencies>
     </dependencyManagement>
 
diff --git a/client-adapter/rdb/pom.xml b/client-adapter/rdb/pom.xml
index 8ba819fb..14f9c22f 100644
--- a/client-adapter/rdb/pom.xml
+++ b/client-adapter/rdb/pom.xml
@@ -42,7 +42,6 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.12</version>
             <scope>test</scope>
         </dependency>
     </dependencies>
diff --git a/client-adapter/tablestore/pom.xml b/client-adapter/tablestore/pom.xml
index da4b448d..42deed18 100644
--- a/client-adapter/tablestore/pom.xml
+++ b/client-adapter/tablestore/pom.xml
@@ -30,7 +30,6 @@
         <dependency>
             <groupId>com.aliyun.openservices</groupId>
             <artifactId>tablestore</artifactId>
-            <version>5.10.3</version>
             <classifier>jar-with-dependencies</classifier>
             <exclusions>
                 <exclusion>
@@ -43,8 +42,6 @@
                 </exclusion>
             </exclusions>
         </dependency>
-
-
     </dependencies>
 
     <build>
diff --git a/client/pom.xml b/client/pom.xml
index 6618ed91..3e69c4eb 100644
--- a/client/pom.xml
+++ b/client/pom.xml
@@ -101,42 +101,44 @@
 		<dependency>
 			<groupId>org.apache.rocketmq</groupId>
 			<artifactId>rocketmq-client</artifactId>
-			<version>4.5.2</version>
+			<version>${rocketmq_version}</version>
 			<scope>provided</scope>
 		</dependency>
 		<dependency>
 			<groupId>org.apache.rocketmq</groupId>
 			<artifactId>rocketmq-acl</artifactId>
-			<version>4.5.2</version>
+			<version>${rocketmq_version}</version>
 			<scope>provided</scope>
 		</dependency>
 		<dependency>
 			<groupId>com.rabbitmq</groupId>
 			<artifactId>amqp-client</artifactId>
-			<version>5.5.0</version>
+			<version>${rabbitmq_version}</version>
 			<scope>provided</scope>
 		</dependency>
 		<dependency>
 			<groupId>com.alibaba.mq-amqp</groupId>
 			<artifactId>mq-amqp-client</artifactId>
-			<version>1.0.3</version>
+			<version>${mq_amqp_client}</version>
 			<scope>provided</scope>
 		</dependency>
 		<dependency>
 			<groupId>org.apache.kafka</groupId>
 			<artifactId>kafka-clients</artifactId>
-			<version>1.1.1</version>
+			<version>${kafka_version}</version>
 			<scope>provided</scope>
 		</dependency>
 		<!-- Pulsar -->
 		<dependency>
 			<groupId>org.apache.pulsar</groupId>
 			<artifactId>pulsar-client</artifactId>
+			<version>${pulsar_version}</version>
 			<scope>provided</scope>
 		</dependency>
 		<dependency>
 			<groupId>org.apache.pulsar</groupId>
 			<artifactId>pulsar-client-admin</artifactId>
+			<version>${pulsar_version}</version>
 			<scope>provided</scope>
 		</dependency>
 
diff --git a/connector/kafka-connector/pom.xml b/connector/kafka-connector/pom.xml
index 2996e111..20f243bb 100644
--- a/connector/kafka-connector/pom.xml
+++ b/connector/kafka-connector/pom.xml
@@ -29,7 +29,7 @@
         <dependency>
             <groupId>org.apache.kafka</groupId>
             <artifactId>kafka_2.11</artifactId>
-            <version>1.1.1</version>
+            <version>${kafka_version}</version>
         </dependency>
         <dependency>
             <groupId>junit</groupId>
@@ -89,4 +89,4 @@
         </plugins>
     </build>
 
-</project>
\ No newline at end of file
+</project>
diff --git a/connector/pulsarmq-connector/pom.xml b/connector/pulsarmq-connector/pom.xml
index a2e68a17..180b8feb 100644
--- a/connector/pulsarmq-connector/pom.xml
+++ b/connector/pulsarmq-connector/pom.xml
@@ -35,10 +35,12 @@
         <dependency>
             <groupId>org.apache.pulsar</groupId>
             <artifactId>pulsar-client</artifactId>
+            <version>${pulsar_version}</version>
         </dependency>
         <dependency>
             <groupId>org.apache.pulsar</groupId>
             <artifactId>pulsar-client-admin</artifactId>
+            <version>${pulsar_version}</version>
         </dependency>
     </dependencies>
 
diff --git a/connector/rabbitmq-connector/pom.xml b/connector/rabbitmq-connector/pom.xml
index e2a1e011..6c7beeda 100644
--- a/connector/rabbitmq-connector/pom.xml
+++ b/connector/rabbitmq-connector/pom.xml
@@ -29,12 +29,12 @@
         <dependency>
             <groupId>com.rabbitmq</groupId>
             <artifactId>amqp-client</artifactId>
-            <version>5.5.0</version>
+            <version>${rabbitmq_version}</version>
         </dependency>
         <dependency>
             <groupId>com.alibaba.mq-amqp</groupId>
             <artifactId>mq-amqp-client</artifactId>
-            <version>1.0.3</version>
+            <version>${mq_amqp_client}</version>
         </dependency>
         <dependency>
             <groupId>junit</groupId>
@@ -94,4 +94,4 @@
         </plugins>
     </build>
 
-</project>
\ No newline at end of file
+</project>
diff --git a/connector/rocketmq-connector/pom.xml b/connector/rocketmq-connector/pom.xml
index 5cbd57a0..f2b45334 100644
--- a/connector/rocketmq-connector/pom.xml
+++ b/connector/rocketmq-connector/pom.xml
@@ -13,10 +13,6 @@
     <packaging>jar</packaging>
     <name>canal connector rocketMQ module for otter ${project.version}</name>
 
-    <properties>
-        <rocketmq_version>4.8.0</rocketmq_version>
-    </properties>
-
     <dependencies>
         <dependency>
             <groupId>com.alibaba.otter</groupId>
@@ -99,4 +95,4 @@
         </plugins>
     </build>
 
-</project>
\ No newline at end of file
+</project>
diff --git a/driver/pom.xml b/driver/pom.xml
index 9ca31dff..508ba26b 100644
--- a/driver/pom.xml
+++ b/driver/pom.xml
@@ -33,6 +33,10 @@
 			<groupId>org.slf4j</groupId>
 			<artifactId>slf4j-api</artifactId>
 		</dependency>
+		<dependency>
+			<groupId>org.jboss.netty</groupId>
+			<artifactId>netty</artifactId>
+		</dependency>
 		<!-- test dependency -->
 		<dependency>
 			<groupId>junit</groupId>
diff --git a/example/pom.xml b/example/pom.xml
index 1a79e760..aca63ed9 100644
--- a/example/pom.xml
+++ b/example/pom.xml
@@ -21,82 +21,6 @@
 			<artifactId>canal.protocol</artifactId>
 			<version>${project.version}</version>
 		</dependency>
-		<dependency>
-			<groupId>com.alibaba</groupId>
-			<artifactId>druid</artifactId>
-		</dependency>
-		<dependency>
-			<groupId>mysql</groupId>
-			<artifactId>mysql-connector-java</artifactId>
-		</dependency>
-		<dependency>
-			<groupId>org.apache.ddlutils</groupId>
-			<artifactId>ddlutils</artifactId>
-			<version>1.0</version>
-			<exclusions>
-				<exclusion>
-					<groupId>commons-beanutils</groupId>
-					<artifactId>commons-beanutils-core</artifactId>
-				</exclusion>
-				<exclusion>
-					<groupId>commons-lang</groupId>
-					<artifactId>commons-lang</artifactId>
-				</exclusion>
-				<exclusion>
-					<groupId>commons-dbcp</groupId>
-					<artifactId>commons-dbcp</artifactId>
-				</exclusion>
-				<exclusion>
-					<groupId>commons-pool</groupId>
-					<artifactId>commons-pool</artifactId>
-				</exclusion>
-				<exclusion>
-					<groupId>commons-logging</groupId>
-					<artifactId>commons-logging-api</artifactId>
-				</exclusion>
-				<exclusion>
-					<groupId>dom4j</groupId>
-					<artifactId>dom4j</artifactId>
-				</exclusion>
-				<exclusion>
-					<groupId>stax</groupId>
-					<artifactId>stax-api</artifactId>
-				</exclusion>
-				<exclusion>
-					<groupId>commons-collections</groupId>
-					<artifactId>commons-collections</artifactId>
-				</exclusion>
-				<exclusion>
-					<groupId>commons-digester</groupId>
-					<artifactId>commons-digester</artifactId>
-				</exclusion>
-				<exclusion>
-					<groupId>commons-betwixt</groupId>
-					<artifactId>commons-betwixt</artifactId>
-				</exclusion>
-			</exclusions>
-		</dependency>
-		<dependency>
-			<groupId>org.apache.commons</groupId>
-			<artifactId>commons-pool2</artifactId>
-			<version>2.5.0</version>
-		</dependency>
-		<dependency>
-			<groupId>commons-beanutils</groupId>
-			<artifactId>commons-beanutils</artifactId>
-			<version>1.8.2</version>
-		</dependency>
-		<dependency>
-			<groupId>org.apache.commons</groupId>
-			<artifactId>commons-lang3</artifactId>
-			<version>3.7</version>
-		</dependency>
-		<dependency>
-			<groupId>commons-collections</groupId>
-			<artifactId>commons-collections</artifactId>
-			<version>3.2</version>
-		</dependency>
-
 		<!-- test dependency -->
 		<dependency>
 			<groupId>junit</groupId>
diff --git a/pom.xml b/pom.xml
index da31bd11..7438fb10 100644
--- a/pom.xml
+++ b/pom.xml
@@ -99,8 +99,14 @@
         <java_target_version>1.8</java_target_version>
         <file_encoding>UTF-8</file_encoding>
         <javadoc_skip>true</javadoc_skip>
-        <spring_version>5.0.5.RELEASE</spring_version>
+        <spring_version>5.3.9</spring_version>
         <log4j_version>2.17.0</log4j_version>
+        <rocketmq_version>4.8.0</rocketmq_version>
+        <rabbitmq_version>5.5.0</rabbitmq_version>
+        <mq_amqp_client>1.0.3</mq_amqp_client>
+        <kafka_version>1.1.1</kafka_version>
+        <pulsar_version>2.8.1</pulsar_version>
+        <mysql_driver_version>5.1.48</mysql_driver_version>
         <maven-jacoco-plugin.version>0.8.3</maven-jacoco-plugin.version>
         <maven-surefire.version>2.22.1</maven-surefire.version>
         <argline>-server -Xms512m -Xmx1024m -Dfile.encoding=UTF-8
@@ -135,29 +141,59 @@
     <dependencyManagement>
         <dependencies>
             <dependency>
-                    <groupId>org.springframework</groupId>
-                    <artifactId>spring-core</artifactId>
-                    <version>${spring_version}</version>
+                <groupId>org.springframework</groupId>
+                <artifactId>spring-core</artifactId>
+                <version>${spring_version}</version>
             </dependency>
             <dependency>
-                    <groupId>org.springframework</groupId>
-                    <artifactId>spring-aop</artifactId>
-                    <version>${spring_version}</version>
+                <groupId>org.springframework</groupId>
+                <artifactId>spring-aop</artifactId>
+                <version>${spring_version}</version>
             </dependency>
             <dependency>
-                    <groupId>org.springframework</groupId>
-                    <artifactId>spring-context</artifactId>
-                    <version>${spring_version}</version>
+                <groupId>org.springframework</groupId>
+                <artifactId>spring-context</artifactId>
+                <version>${spring_version}</version>
             </dependency>
             <dependency>
-                    <groupId>org.springframework</groupId>
-                    <artifactId>spring-jdbc</artifactId>
-                    <version>${spring_version}</version>
+                <groupId>org.springframework</groupId>
+                <artifactId>spring-jdbc</artifactId>
+                <version>${spring_version}</version>
             </dependency>
             <dependency>
-                    <groupId>org.springframework</groupId>
-                    <artifactId>spring-orm</artifactId>
-                    <version>${spring_version}</version>
+                <groupId>org.springframework</groupId>
+                <artifactId>spring-orm</artifactId>
+                <version>${spring_version}</version>
+            </dependency>
+            <dependency>
+                <groupId>org.springframework</groupId>
+                <artifactId>spring-tx</artifactId>
+                <version>${spring_version}</version>
+            </dependency>
+            <dependency>
+                <groupId>org.springframework</groupId>
+                <artifactId>spring-web</artifactId>
+                <version>${spring_version}</version>
+            </dependency>
+            <dependency>
+                <groupId>org.springframework</groupId>
+                <artifactId>spring-webmvc</artifactId>
+                <version>${spring_version}</version>
+            </dependency>
+            <dependency>
+                <groupId>org.springframework</groupId>
+                <artifactId>spring-jcl</artifactId>
+                <version>${spring_version}</version>
+            </dependency>
+            <dependency>
+                <groupId>org.springframework</groupId>
+                <artifactId>spring-expression</artifactId>
+                <version>${spring_version}</version>
+            </dependency>
+            <dependency>
+                <groupId>org.springframework</groupId>
+                <artifactId>spring-beans</artifactId>
+                <version>${spring_version}</version>
             </dependency>
             <dependency>
                 <groupId>org.springframework</groupId>
@@ -171,6 +207,11 @@
                 <artifactId>commons-lang</artifactId>
                 <version>2.6</version>
             </dependency>
+            <dependency>
+                <groupId>org.apache.commons</groupId>
+                <artifactId>commons-lang3</artifactId>
+                <version>3.7</version>
+            </dependency>
             <dependency>
                 <groupId>commons-io</groupId>
                 <artifactId>commons-io</artifactId>
@@ -181,6 +222,11 @@
                 <artifactId>commons-codec</artifactId>
                 <version>1.9</version>
             </dependency>
+            <dependency>
+                <groupId>commons-beanutils</groupId>
+                <artifactId>commons-beanutils</artifactId>
+                <version>1.9.4</version>
+            </dependency>
             <dependency>
                 <groupId>org.apache.commons</groupId>
                 <artifactId>commons-compress</artifactId>
@@ -199,7 +245,7 @@
             <dependency>
                 <groupId>org.apache.zookeeper</groupId>
                 <artifactId>zookeeper</artifactId>
-                <version>3.4.5</version>
+                <version>3.5.6</version>
                 <exclusions>
                     <exclusion>
                         <groupId>log4j</groupId>
@@ -217,6 +263,14 @@
                         <groupId>jline</groupId>
                         <artifactId>jline</artifactId>
                     </exclusion>
+                    <exclusion>
+                        <groupId>io.netty</groupId>
+                        <artifactId>netty-handler</artifactId>
+                    </exclusion>
+                    <exclusion>
+                        <groupId>io.netty</groupId>
+                        <artifactId>netty-transport-native-epoll</artifactId>
+                    </exclusion>
                 </exclusions>
             </dependency>
             <dependency>
@@ -249,6 +303,11 @@
                 <artifactId>netty-all</artifactId>
                 <version>4.1.6.Final</version>
             </dependency>
+            <dependency>
+                <groupId>org.jboss.netty</groupId>
+                <artifactId>netty</artifactId>
+                <version>3.2.10.Final</version>
+            </dependency>
             <dependency>
                 <groupId>com.google.protobuf</groupId>
                 <artifactId>protobuf-java</artifactId>
@@ -262,7 +321,7 @@
             <dependency>
                 <groupId>org.mybatis</groupId>
                 <artifactId>mybatis</artifactId>
-                <version>3.5.4</version>
+                <version>3.5.6</version>
             </dependency>
             <dependency>
                 <groupId>com.alibaba</groupId>
@@ -278,12 +337,12 @@
             <dependency>
                 <groupId>ch.qos.logback</groupId>
                 <artifactId>logback-core</artifactId>
-                <version>1.1.3</version>
+                <version>1.2.8</version>
             </dependency>
             <dependency>
                 <groupId>ch.qos.logback</groupId>
                 <artifactId>logback-classic</artifactId>
-                <version>1.1.3</version>
+                <version>1.2.8</version>
             </dependency>
             <dependency>
                 <groupId>org.slf4j</groupId>
@@ -300,6 +359,37 @@
                 <artifactId>h2</artifactId>
                 <version>1.4.196</version>
             </dependency>
+            <dependency>
+                <groupId>mysql</groupId>
+                <artifactId>mysql-connector-java</artifactId>
+                <version>${mysql_driver_version}</version>
+            </dependency>
+            <dependency>
+                <groupId>com.google.code.findbugs</groupId>
+                <artifactId>jsr305</artifactId>
+                <version>3.0.2</version>
+            </dependency>
+            <dependency>
+                <groupId>javax.annotation</groupId>
+                <artifactId>javax.annotation-api</artifactId>
+                <version>${javax.annotation-api.version}</version>
+            </dependency>
+            <dependency>
+                <groupId>org.apache.logging.log4j</groupId>
+                <artifactId>log4j-core</artifactId>
+                <version>${log4j_version}</version>
+            </dependency>
+            <dependency>
+                <groupId>org.apache.logging.log4j</groupId>
+                <artifactId>log4j-api</artifactId>
+                <version>${log4j_version}</version>
+            </dependency>
+            <dependency>
+                <groupId>org.apache.logging.log4j</groupId>
+                <artifactId>log4j-to-slf4j</artifactId>
+                <version>${log4j_version}</version>
+            </dependency>
+
             <!-- test dependency -->
             <dependency>
                 <groupId>junit</groupId>
@@ -331,49 +421,6 @@
                 <version>1.9.0</version>
                 <scope>test</scope>
             </dependency>
-            <dependency>
-                <groupId>mysql</groupId>
-                <artifactId>mysql-connector-java</artifactId>
-                <version>5.1.48</version>
-                <!--<scope>test</scope>-->
-            </dependency>
-            <dependency>
-                <groupId>com.google.code.findbugs</groupId>
-                <artifactId>jsr305</artifactId>
-                <version>3.0.2</version>
-            </dependency>
-            <dependency>
-                <groupId>javax.annotation</groupId>
-                <artifactId>javax.annotation-api</artifactId>
-                <version>${javax.annotation-api.version}</version>
-            </dependency>
-            <!-- Pulsar -->
-            <dependency>
-                <groupId>org.apache.pulsar</groupId>
-                <artifactId>pulsar-client</artifactId>
-                <version>2.8.1</version>
-            </dependency>
-            <dependency>
-                <groupId>org.apache.pulsar</groupId>
-                <artifactId>pulsar-client-admin</artifactId>
-                <version>2.8.1</version>
-            </dependency>
-
-            <dependency>
-                <groupId>org.apache.logging.log4j</groupId>
-                <artifactId>log4j-core</artifactId>
-                <version>${log4j_version}</version>
-            </dependency>
-            <dependency>
-                <groupId>org.apache.logging.log4j</groupId>
-                <artifactId>log4j-api</artifactId>
-                <version>${log4j_version}</version>
-            </dependency>
-            <dependency>
-                <groupId>org.apache.logging.log4j</groupId>
-                <artifactId>log4j-to-slf4j</artifactId>
-                <version>${log4j_version}</version>
-            </dependency>
         </dependencies>
     </dependencyManagement>
 
diff --git a/server/pom.xml b/server/pom.xml
index cdfe0de5..ed32183d 100644
--- a/server/pom.xml
+++ b/server/pom.xml
@@ -33,7 +33,6 @@
 		<dependency>
 			<groupId>org.apache.commons</groupId>
 			<artifactId>commons-lang3</artifactId>
-			<version>3.7</version>
 		</dependency>
 		
 		<!-- test dependency -->