diff --git a/apm-application-toolkit/apm-toolkit-log4j-1.x/pom.xml b/apm-application-toolkit/apm-toolkit-log4j-1.x/pom.xml
index 657a45a16b9671c0a69a487bd8eef5a46b9dca9b..b70c1f362cabbb78a0f47817dcd59490521cfbb1 100644
--- a/apm-application-toolkit/apm-toolkit-log4j-1.x/pom.xml
+++ b/apm-application-toolkit/apm-toolkit-log4j-1.x/pom.xml
@@ -27,11 +27,15 @@
 
     <artifactId>apm-toolkit-log4j-1.x</artifactId>
 
+    <properties>
+        <log4j.version>1.2.17</log4j.version>
+    </properties>
+
     <dependencies>
         <dependency>
             <groupId>log4j</groupId>
             <artifactId>log4j</artifactId>
-            <version>1.2.17</version>
+            <version>${log4j.version}</version>
             <scope>provided</scope>
         </dependency>
     </dependencies>
diff --git a/apm-application-toolkit/apm-toolkit-log4j-2.x/pom.xml b/apm-application-toolkit/apm-toolkit-log4j-2.x/pom.xml
index cd6941ea363f0af76bbe956b6a93905b187f7ef8..e7ab921828d4230bf2e7e783ecbfdc0b1efc6d63 100644
--- a/apm-application-toolkit/apm-toolkit-log4j-2.x/pom.xml
+++ b/apm-application-toolkit/apm-toolkit-log4j-2.x/pom.xml
@@ -27,11 +27,15 @@
 
     <artifactId>apm-toolkit-log4j-2.x</artifactId>
 
+    <properties>
+        <log4j-core.version>2.7</log4j-core.version>
+    </properties>
+
     <dependencies>
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-core</artifactId>
-            <version>2.7</version>
+            <version>${log4j-core.version}</version>
             <scope>provided</scope>
         </dependency>
     </dependencies>
diff --git a/apm-application-toolkit/apm-toolkit-logback-1.x/pom.xml b/apm-application-toolkit/apm-toolkit-logback-1.x/pom.xml
index 41706309a17f02259ed17ff2a0ba8e50e090a786..de28e2bfe205b294be9d2a62cb7a761e716aa96b 100644
--- a/apm-application-toolkit/apm-toolkit-logback-1.x/pom.xml
+++ b/apm-application-toolkit/apm-toolkit-logback-1.x/pom.xml
@@ -27,11 +27,15 @@
 
     <artifactId>apm-toolkit-logback-1.x</artifactId>
 
+    <properties>
+        <logback-classic.version>1.2.3</logback-classic.version>
+    </properties>
+
     <dependencies>
         <dependency>
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-classic</artifactId>
-            <version>1.2.3</version>
+            <version>${logback-classic.version}</version>
             <scope>provided</scope>
         </dependency>
     </dependencies>
diff --git a/apm-application-toolkit/apm-toolkit-opentracing/pom.xml b/apm-application-toolkit/apm-toolkit-opentracing/pom.xml
index 277de9d1bdbc6d076460d8251e7d9f60ff687ff6..e9143dd19b82ae05529584ab2b77c183a04b2fd1 100644
--- a/apm-application-toolkit/apm-toolkit-opentracing/pom.xml
+++ b/apm-application-toolkit/apm-toolkit-opentracing/pom.xml
@@ -27,16 +27,20 @@
 
     <artifactId>apm-toolkit-opentracing</artifactId>
 
+    <properties>
+        <opentracing.version>0.30.0</opentracing.version>
+    </properties>
+
     <dependencies>
         <dependency>
             <groupId>io.opentracing</groupId>
             <artifactId>opentracing-api</artifactId>
-            <version>0.30.0</version>
+            <version>${opentracing.version}</version>
         </dependency>
         <dependency>
             <groupId>io.opentracing</groupId>
             <artifactId>opentracing-noop</artifactId>
-            <version>0.30.0</version>
+            <version>${opentracing.version}</version>
         </dependency>
     </dependencies>
 
diff --git a/apm-checkstyle/pom.xml b/apm-checkstyle/pom.xml
index 5dfb66f2289e829e8737957282a42e428085e050..948907d287c87b4b8b4a68abad563b95e35a6d89 100644
--- a/apm-checkstyle/pom.xml
+++ b/apm-checkstyle/pom.xml
@@ -30,13 +30,18 @@
     <version>6.0.0-alpha-SNAPSHOT</version>
     <description>Module to hold Checkstyle for SkyWalking.</description>
 
+    <properties>
+        <jacoco-maven-plugin.version>0.7.9</jacoco-maven-plugin.version>
+        <coveralls-maven-plugin.version>4.1.0</coveralls-maven-plugin.version>
+    </properties>
+
     <build>
         <plugins>
             <!-- 覆盖率 -->
             <plugin>
                 <groupId>org.jacoco</groupId>
                 <artifactId>jacoco-maven-plugin</artifactId>
-                <version>0.7.9</version>
+                <version>${jacoco-maven-plugin.version}</version>
                 <executions>
                     <execution>
                         <id>prepare-agent</id>
@@ -49,7 +54,7 @@
             <plugin>
                 <groupId>org.eluder.coveralls</groupId>
                 <artifactId>coveralls-maven-plugin</artifactId>
-                <version>4.1.0</version>
+                <version>${coveralls-maven-plugin.version}</version>
                 <configuration>
                     <repoToken>xFwR2GqmxcMxV7tGEpW2NfwIrbCD4cQCS</repoToken>
                     <sourceDirectories>
diff --git a/apm-collector/apm-collector-remote/collector-remote-grpc-provider/pom.xml b/apm-collector/apm-collector-remote/collector-remote-grpc-provider/pom.xml
index 79ecce218c169ec69a1a746e3616ceb40861fad6..d954d63728d59abe46a97367bc1e022281dae774 100644
--- a/apm-collector/apm-collector-remote/collector-remote-grpc-provider/pom.xml
+++ b/apm-collector/apm-collector-remote/collector-remote-grpc-provider/pom.xml
@@ -29,6 +29,11 @@
     <artifactId>collector-remote-grpc-provider</artifactId>
     <packaging>jar</packaging>
 
+    <properties>
+        <os-maven-plugin.version>1.4.1.Final</os-maven-plugin.version>
+        <protobuf-maven-plugin.version>0.5.0</protobuf-maven-plugin.version>
+    </properties>
+
     <dependencies>
         <dependency>
             <groupId>org.apache.skywalking</groupId>
@@ -52,14 +57,14 @@
             <extension>
                 <groupId>kr.motd.maven</groupId>
                 <artifactId>os-maven-plugin</artifactId>
-                <version>1.4.1.Final</version>
+                <version>${os-maven-plugin.version}</version>
             </extension>
         </extensions>
         <plugins>
             <plugin>
                 <groupId>org.xolstice.maven.plugins</groupId>
                 <artifactId>protobuf-maven-plugin</artifactId>
-                <version>0.5.0</version>
+                <version>${protobuf-maven-plugin.version}</version>
                 <configuration>
                     <!--
                       The version of protoc must match protobuf-java. If you don't depend on
diff --git a/apm-collector/apm-collector-thirdparty-receiver/pom.xml b/apm-collector/apm-collector-thirdparty-receiver/pom.xml
index 274d3859e1d382cecd398b674ddce5a7ed726169..5a2add6b406f9277257f9da4fae6b17a8988af74 100644
--- a/apm-collector/apm-collector-thirdparty-receiver/pom.xml
+++ b/apm-collector/apm-collector-thirdparty-receiver/pom.xml
@@ -32,6 +32,5 @@
     <modules>
         <module>receiver-zipkin</module>
     </modules>
-
-
+    
 </project>
diff --git a/apm-protocol/apm-network/pom.xml b/apm-protocol/apm-network/pom.xml
index aca041d4b2ff768657e77cde76ed238318e8bd40..ed6ae99d19d951acdde2a4f3627b9ac989c8a6f2 100644
--- a/apm-protocol/apm-network/pom.xml
+++ b/apm-protocol/apm-network/pom.xml
@@ -29,9 +29,12 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <compiler.version>1.6</compiler.version>
         <grpc.version>1.10.0</grpc.version>
         <netty.version>4.1.17.Final</netty.version>
-        <compiler.version>1.6</compiler.version>
+        <netty-tcnative-boringssl-static.version>2.0.7.Final</netty-tcnative-boringssl-static.version>
+        <os-maven-plugin.version>1.5.0.Final</os-maven-plugin.version>
+        <protobuf-maven-plugin.version>0.5.0</protobuf-maven-plugin.version>
     </properties>
 
     <dependencies>
@@ -53,7 +56,7 @@
         <dependency>
             <groupId>io.netty</groupId>
             <artifactId>netty-tcnative-boringssl-static</artifactId>
-            <version>2.0.7.Final</version>
+            <version>${netty-tcnative-boringssl-static.version}</version>
         </dependency>
     </dependencies>
 
@@ -62,14 +65,14 @@
             <extension>
                 <groupId>kr.motd.maven</groupId>
                 <artifactId>os-maven-plugin</artifactId>
-                <version>1.5.0.Final</version>
+                <version>${os-maven-plugin.version}</version>
             </extension>
         </extensions>
         <plugins>
             <plugin>
                 <groupId>org.xolstice.maven.plugins</groupId>
                 <artifactId>protobuf-maven-plugin</artifactId>
-                <version>0.5.0</version>
+                <version>${protobuf-maven-plugin.version}</version>
                 <configuration>
                     <!--
                       The version of protoc must match protobuf-java. If you don't depend on
diff --git a/apm-protocol/apm-ui-protocol/pom.xml b/apm-protocol/apm-ui-protocol/pom.xml
index 3587a7186a4c52e672da344219e16d77f9a4467a..a70fe76229ade68729b07a393da41a30a1911244 100644
--- a/apm-protocol/apm-ui-protocol/pom.xml
+++ b/apm-protocol/apm-ui-protocol/pom.xml
@@ -27,11 +27,15 @@
 
     <artifactId>apm-ui-protocol</artifactId>
 
+    <properties>
+        <graphql-java.version>7.0</graphql-java.version>
+    </properties>
+
     <dependencies>
         <dependency>
             <groupId>com.graphql-java</groupId>
             <artifactId>graphql-java</artifactId>
-            <version>7.0</version>
+            <version>${graphql-java.version}</version>
         </dependency>
     </dependencies>
 </project>
diff --git a/apm-sniffer/apm-agent-core/pom.xml b/apm-sniffer/apm-agent-core/pom.xml
index f95800dd4c95f00158bee9329a36dc3884c9098c..275c8d5512c74d854ae2e66c6c5fc7e865d1d64d 100644
--- a/apm-sniffer/apm-agent-core/pom.xml
+++ b/apm-sniffer/apm-agent-core/pom.xml
@@ -36,6 +36,10 @@
         <jetty.version>9.4.2.v20170220</jetty.version>
         <grpc.version>1.10.0</grpc.version>
         <bytebuddy.version>1.7.9</bytebuddy.version>
+        <disruptor.version>3.3.6</disruptor.version>
+        <apache-httpclient.version>4.5.3</apache-httpclient.version>
+        <wiremock.version>2.6.0</wiremock.version>
+        <os-maven-plugin.version>1.4.1.Final</os-maven-plugin.version>
 
         <shade.package>org.apache.skywalking.apm.dependencies</shade.package>
         <shade.com.lmax.disruptor.source>com.lmax.disruptor</shade.com.lmax.disruptor.source>
@@ -80,7 +84,12 @@
         <dependency>
             <groupId>com.lmax</groupId>
             <artifactId>disruptor</artifactId>
-            <version>3.3.6</version>
+            <version>${disruptor.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.httpcomponents</groupId>
+            <artifactId>httpclient</artifactId>
+            <version>${apache-httpclient.version}</version>
         </dependency>
         <dependency>
             <groupId>org.eclipse.jetty</groupId>
@@ -97,7 +106,7 @@
         <dependency>
             <groupId>com.github.tomakehurst</groupId>
             <artifactId>wiremock</artifactId>
-            <version>2.6.0</version>
+            <version>${wiremock.version}</version>
             <scope>test</scope>
         </dependency>
         <dependency>
@@ -123,7 +132,7 @@
             <extension>
                 <groupId>kr.motd.maven</groupId>
                 <artifactId>os-maven-plugin</artifactId>
-                <version>1.4.1.Final</version>
+                <version>${os-maven-plugin.version}</version>
             </extension>
         </extensions>
         <plugins>
@@ -211,9 +220,9 @@
                                 <echo message="unjar" />
                                 <unzip src="${project.build.directory}/${artifactId}-${version}.jar" dest="${project.build.directory}/unpacked/" />
                                 <echo message="rename service providers in META-INF/services" />
-                                <move file="${project.build.directory}/unpacked/META-INF/native/libnetty_tcnative_osx_x86_64.jnilib" tofile="${project.build.directory}/unpacked/META-INF/native/liborg_apache_skywalking_apm_dependencies_netty_tcnative_osx_x86_64.jnilib"/>
-                                <move file="${project.build.directory}/unpacked/META-INF/native/libnetty_tcnative_linux_x86_64.so" tofile="${project.build.directory}/unpacked/META-INF/native/liborg_apache_skywalking_apm_dependencies_netty_tcnative_linux_x86_64.so"/>
-                                <move file="${project.build.directory}/unpacked/META-INF/native/netty_tcnative_windows_x86_64.dll" tofile="${project.build.directory}/unpacked/META-INF/native/org_apache_skywalking_apm_dependencies_netty_tcnative_windows_x86_64.dll"/>
+                                <move file="${project.build.directory}/unpacked/META-INF/native/libnetty_tcnative_osx_x86_64.jnilib" tofile="${project.build.directory}/unpacked/META-INF/native/liborg_apache_skywalking_apm_dependencies_netty_tcnative_osx_x86_64.jnilib" />
+                                <move file="${project.build.directory}/unpacked/META-INF/native/libnetty_tcnative_linux_x86_64.so" tofile="${project.build.directory}/unpacked/META-INF/native/liborg_apache_skywalking_apm_dependencies_netty_tcnative_linux_x86_64.so" />
+                                <move file="${project.build.directory}/unpacked/META-INF/native/netty_tcnative_windows_x86_64.dll" tofile="${project.build.directory}/unpacked/META-INF/native/org_apache_skywalking_apm_dependencies_netty_tcnative_windows_x86_64.dll" />
                                 <echo message="jar back" />
                                 <jar destfile="${project.build.directory}/${artifactId}-${version}.jar" basedir="${project.build.directory}/unpacked" />
                             </target>
diff --git a/apm-sniffer/apm-sdk-plugin/activemq-5.x-plugin/pom.xml b/apm-sniffer/apm-sdk-plugin/activemq-5.x-plugin/pom.xml
index dd7cf05f15c9cf673825c56531884399529bb519..52706f5e040a06285a2e0cc64413ec56ca958862 100644
--- a/apm-sniffer/apm-sdk-plugin/activemq-5.x-plugin/pom.xml
+++ b/apm-sniffer/apm-sdk-plugin/activemq-5.x-plugin/pom.xml
@@ -31,13 +31,14 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <activemq-client.version>5.14.5</activemq-client.version>
     </properties>
 
     <dependencies>
         <dependency>
             <groupId>org.apache.activemq</groupId>
             <artifactId>activemq-client</artifactId>
-            <version>5.14.5</version>
+            <version>${activemq-client.version}</version>
             <scope>provided</scope>
         </dependency>
     </dependencies>
diff --git a/apm-sniffer/apm-sdk-plugin/dubbo-plugin/pom.xml b/apm-sniffer/apm-sdk-plugin/dubbo-plugin/pom.xml
index 703743b5d41559389db31a591fb85d051ea5e48f..c3aa8fc0c1d290eeb20e05302181dd2a5f81b888 100644
--- a/apm-sniffer/apm-sdk-plugin/dubbo-plugin/pom.xml
+++ b/apm-sniffer/apm-sdk-plugin/dubbo-plugin/pom.xml
@@ -32,13 +32,14 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <dubbo.version>2.5.10</dubbo.version>
     </properties>
 
     <dependencies>
         <dependency>
             <groupId>com.alibaba</groupId>
             <artifactId>dubbo</artifactId>
-            <version>2.5.10</version>
+            <version>${dubbo.version}</version>
             <scope>provided</scope>
         </dependency>
     </dependencies>
diff --git a/apm-sniffer/apm-sdk-plugin/grpc-1.x-plugin/pom.xml b/apm-sniffer/apm-sdk-plugin/grpc-1.x-plugin/pom.xml
index 0a0c2d953d75bc015f7c7b46b3663eb265433478..6efc106e1093ddfec093e734dbaab696e40fc699 100644
--- a/apm-sniffer/apm-sdk-plugin/grpc-1.x-plugin/pom.xml
+++ b/apm-sniffer/apm-sdk-plugin/grpc-1.x-plugin/pom.xml
@@ -31,13 +31,14 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <grpc-all.version>1.6.0</grpc-all.version>
     </properties>
 
     <dependencies>
         <dependency>
             <groupId>io.grpc</groupId>
             <artifactId>grpc-all</artifactId>
-            <version>1.6.0</version>
+            <version>${grpc-all.version}</version>
             <scope>provided</scope>
         </dependency>
     </dependencies>
diff --git a/apm-sniffer/apm-sdk-plugin/h2-1.x-plugin/pom.xml b/apm-sniffer/apm-sdk-plugin/h2-1.x-plugin/pom.xml
index b0400fb4b4b107a1ff4ac4198c35ad2f47b249f5..9aa4dfa865d291ddece3b05424b2937821bbffb2 100755
--- a/apm-sniffer/apm-sdk-plugin/h2-1.x-plugin/pom.xml
+++ b/apm-sniffer/apm-sdk-plugin/h2-1.x-plugin/pom.xml
@@ -32,13 +32,14 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <h2.version>1.4.192</h2.version>
     </properties>
 
     <dependencies>
         <dependency>
             <groupId>com.h2database</groupId>
             <artifactId>h2</artifactId>
-            <version>1.4.192</version>
+            <version>${h2.version}</version>
             <scope>provided</scope>
         </dependency>
         <dependency>
diff --git a/apm-sniffer/apm-sdk-plugin/httpClient-4.x-plugin/pom.xml b/apm-sniffer/apm-sdk-plugin/httpClient-4.x-plugin/pom.xml
index cfad8291794b316a83533e0c14a017e79391e6e2..9620f64c357c8b26564fa998ae7524704019efe0 100644
--- a/apm-sniffer/apm-sdk-plugin/httpClient-4.x-plugin/pom.xml
+++ b/apm-sniffer/apm-sdk-plugin/httpClient-4.x-plugin/pom.xml
@@ -33,26 +33,30 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <apache-httpclient.version>4.3</apache-httpclient.version>
+        <log4j-core.version>2.4.1</log4j-core.version>
+        <junit.version>4.12</junit.version>
     </properties>
 
     <dependencies>
         <dependency>
             <groupId>org.apache.httpcomponents</groupId>
             <artifactId>httpclient</artifactId>
-            <version>4.3</version>
+            <version>${apache-httpclient.version}</version>
             <scope>provided</scope>
         </dependency>
+        
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-core</artifactId>
-            <version>2.4.1</version>
+            <version>${log4j-core.version}</version>
             <scope>test</scope>
         </dependency>
 
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.12</version>
+            <version>${junit.version}</version>
             <scope>test</scope>
         </dependency>
     </dependencies>
diff --git a/apm-sniffer/apm-sdk-plugin/httpasyncclient-4.x-plugin/pom.xml b/apm-sniffer/apm-sdk-plugin/httpasyncclient-4.x-plugin/pom.xml
index 399c618aec9ca894f7777110dd4ddaa5ee95ac38..6e006cdb1a82f91e6d5a0a92d14e6b68a26d5305 100644
--- a/apm-sniffer/apm-sdk-plugin/httpasyncclient-4.x-plugin/pom.xml
+++ b/apm-sniffer/apm-sdk-plugin/httpasyncclient-4.x-plugin/pom.xml
@@ -32,13 +32,14 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <apache-httpasyncclient.version>4.1.1</apache-httpasyncclient.version>
     </properties>
 
     <dependencies>
         <dependency>
             <groupId>org.apache.httpcomponents</groupId>
             <artifactId>httpasyncclient</artifactId>
-            <version>4.1.1</version>
+            <version>${apache-httpasyncclient.version}</version>
             <scope>provided</scope>
         </dependency>
     </dependencies>
diff --git a/apm-sniffer/apm-sdk-plugin/hystrix-1.x-plugin/pom.xml b/apm-sniffer/apm-sdk-plugin/hystrix-1.x-plugin/pom.xml
index 953fa27d78254e6a5d13837533965572df42b437..d4967d72449c86537faae84ab8014442dcc21ebb 100644
--- a/apm-sniffer/apm-sdk-plugin/hystrix-1.x-plugin/pom.xml
+++ b/apm-sniffer/apm-sdk-plugin/hystrix-1.x-plugin/pom.xml
@@ -29,11 +29,15 @@
 
     <artifactId>apm-hystrix-1.x-plugin</artifactId>
 
+    <properties>
+        <hystrix-core.version>1.4.0</hystrix-core.version>
+    </properties>
+
     <dependencies>
         <dependency>
             <groupId>com.netflix.hystrix</groupId>
             <artifactId>hystrix-core</artifactId>
-            <version>1.4.0</version>
+            <version>${hystrix-core.version}</version>
             <scope>provided</scope>
         </dependency>
     </dependencies>
diff --git a/apm-sniffer/apm-sdk-plugin/jedis-2.x-plugin/pom.xml b/apm-sniffer/apm-sdk-plugin/jedis-2.x-plugin/pom.xml
index 2939683ce0bb773ca0c7c3efd1c9d9b3183d6f51..1635629443f817f9f76aa85756e1085426ce3ebb 100644
--- a/apm-sniffer/apm-sdk-plugin/jedis-2.x-plugin/pom.xml
+++ b/apm-sniffer/apm-sdk-plugin/jedis-2.x-plugin/pom.xml
@@ -30,19 +30,23 @@
 
     <name>jedis-2.x-plugin</name>
     <url>http://maven.apache.org</url>
+    <properties>
+        <jedis.version>2.9.0</jedis.version>
+        <log4j-core.version>2.4.1</log4j-core.version>
+    </properties>
 
     <dependencies>
         <dependency>
             <groupId>redis.clients</groupId>
             <artifactId>jedis</artifactId>
-            <version>2.9.0</version>
+            <version>${jedis.version}</version>
             <scope>provided</scope>
         </dependency>
 
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-core</artifactId>
-            <version>2.4.1</version>
+            <version>${log4j-core.version}</version>
             <scope>test</scope>
         </dependency>
     </dependencies>
diff --git a/apm-sniffer/apm-sdk-plugin/jetty-plugin/jetty-client-9.0-plugin/pom.xml b/apm-sniffer/apm-sdk-plugin/jetty-plugin/jetty-client-9.0-plugin/pom.xml
index aaa014c6084103394f0e9f21d599d328fa87959d..71c0a02acc327729250e00e8639d879064b66aa0 100644
--- a/apm-sniffer/apm-sdk-plugin/jetty-plugin/jetty-client-9.0-plugin/pom.xml
+++ b/apm-sniffer/apm-sdk-plugin/jetty-plugin/jetty-client-9.0-plugin/pom.xml
@@ -30,11 +30,15 @@
     <name>jetty-client-9.0-plugin</name>
     <url>http://maven.apache.org</url>
 
+    <properties>
+        <jetty-client.version>9.0.0.v20130308</jetty-client.version>
+    </properties>
+
     <dependencies>
         <dependency>
             <groupId>org.eclipse.jetty</groupId>
             <artifactId>jetty-client</artifactId>
-            <version>9.0.0.v20130308</version>
+            <version>${jetty-client.version}</version>
             <scope>provided</scope>
         </dependency>
     </dependencies>
diff --git a/apm-sniffer/apm-sdk-plugin/jetty-plugin/jetty-client-9.x-plugin/pom.xml b/apm-sniffer/apm-sdk-plugin/jetty-plugin/jetty-client-9.x-plugin/pom.xml
index 2361f140daf500ef921c91064e7bad066145a0bd..36870b4ee0ddacd1d87f45052c1cba32585ff841 100644
--- a/apm-sniffer/apm-sdk-plugin/jetty-plugin/jetty-client-9.x-plugin/pom.xml
+++ b/apm-sniffer/apm-sdk-plugin/jetty-plugin/jetty-client-9.x-plugin/pom.xml
@@ -30,11 +30,15 @@
     <name>jetty-client-9.x-plugin</name>
     <url>http://maven.apache.org</url>
 
+    <properties>
+        <jetty-client.version>9.1.0.v20131115</jetty-client.version>
+    </properties>
+
     <dependencies>
         <dependency>
             <groupId>org.eclipse.jetty</groupId>
             <artifactId>jetty-client</artifactId>
-            <version>9.1.0.v20131115</version>
+            <version>${jetty-client.version}</version>
             <scope>provided</scope>
         </dependency>
     </dependencies>
diff --git a/apm-sniffer/apm-sdk-plugin/jetty-plugin/jetty-server-9.x-plugin/pom.xml b/apm-sniffer/apm-sdk-plugin/jetty-plugin/jetty-server-9.x-plugin/pom.xml
index 976545829147ef3ceb710e0751df1a52b9fc6f86..5a1d01155593e4db8ebb07a70923979c39cba856 100644
--- a/apm-sniffer/apm-sdk-plugin/jetty-plugin/jetty-server-9.x-plugin/pom.xml
+++ b/apm-sniffer/apm-sdk-plugin/jetty-plugin/jetty-server-9.x-plugin/pom.xml
@@ -30,11 +30,15 @@
     <name>jetty-server-9.x-plugin</name>
     <url>http://maven.apache.org</url>
 
+    <properties>
+        <jetty-server.version>9.0.0.v20130308</jetty-server.version>
+    </properties>
+
     <dependencies>
         <dependency>
             <groupId>org.eclipse.jetty</groupId>
             <artifactId>jetty-server</artifactId>
-            <version>9.0.0.v20130308</version>
+            <version>${jetty-server.version}</version>
             <scope>provided</scope>
         </dependency>
     </dependencies>
diff --git a/apm-sniffer/apm-sdk-plugin/kafka-v1-plugin/pom.xml b/apm-sniffer/apm-sdk-plugin/kafka-v1-plugin/pom.xml
index ff51d26270cef142095482085000fd98bfca5ac8..bcb80c7a4a9b7ad8b80eedb3e35c0e0391fbe29d 100644
--- a/apm-sniffer/apm-sdk-plugin/kafka-v1-plugin/pom.xml
+++ b/apm-sniffer/apm-sdk-plugin/kafka-v1-plugin/pom.xml
@@ -27,11 +27,15 @@
 
     <artifactId>apm-kafka-v1-plugin</artifactId>
 
+    <properties>
+        <kafka-clients.version>0.11.0.0</kafka-clients.version>
+    </properties>
+
     <dependencies>
         <dependency>
             <groupId>org.apache.kafka</groupId>
             <artifactId>kafka-clients</artifactId>
-            <version>0.11.0.0</version>
+            <version>${kafka-clients.version}</version>
             <scope>provided</scope>
         </dependency>
     </dependencies>
diff --git a/apm-sniffer/apm-sdk-plugin/mongodb-2.x-plugin/pom.xml b/apm-sniffer/apm-sdk-plugin/mongodb-2.x-plugin/pom.xml
index d484f44b33af4992ad47e58b7f510d270deb1a7e..bf508fd582e98cd5c737a7ab3237076a27c573c8 100644
--- a/apm-sniffer/apm-sdk-plugin/mongodb-2.x-plugin/pom.xml
+++ b/apm-sniffer/apm-sdk-plugin/mongodb-2.x-plugin/pom.xml
@@ -30,19 +30,20 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <mongodb-java-driver.version>2.14.2</mongodb-java-driver.version>
     </properties>
 
     <dependencies>
         <dependency>
             <groupId>org.mongodb</groupId>
             <artifactId>mongo-java-driver</artifactId>
-            <version>2.14.2</version>
+            <version>${mongodb-java-driver.version}</version>
             <scope>provided</scope>
         </dependency>
         <dependency>
             <groupId>org.mongodb</groupId>
             <artifactId>bson</artifactId>
-            <version>2.14.2</version>
+            <version>${mongodb-java-driver.version}</version>
             <scope>provided</scope>
         </dependency>
     </dependencies>
diff --git a/apm-sniffer/apm-sdk-plugin/mongodb-3.x-plugin/pom.xml b/apm-sniffer/apm-sdk-plugin/mongodb-3.x-plugin/pom.xml
index cdf27bd2397d8983c4f7ea8636604262f6560d31..8c48f748d4225a1c83adfc38133c90d714993a2d 100644
--- a/apm-sniffer/apm-sdk-plugin/mongodb-3.x-plugin/pom.xml
+++ b/apm-sniffer/apm-sdk-plugin/mongodb-3.x-plugin/pom.xml
@@ -32,13 +32,14 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <mongo-java-driver.version>3.4.2</mongo-java-driver.version>
     </properties>
 
     <dependencies>
         <dependency>
             <groupId>org.mongodb</groupId>
             <artifactId>mongo-java-driver</artifactId>
-            <version>3.4.2</version>
+            <version>${mongo-java-driver.version}</version>
             <scope>provided</scope>
         </dependency>
     </dependencies>
diff --git a/apm-sniffer/apm-sdk-plugin/motan-plugin/pom.xml b/apm-sniffer/apm-sdk-plugin/motan-plugin/pom.xml
index 8fcf944580685c39bd589e37e362f53f76546ab5..c4c2e7daab08d04ba63a3e933efaeb4a6259568d 100644
--- a/apm-sniffer/apm-sdk-plugin/motan-plugin/pom.xml
+++ b/apm-sniffer/apm-sdk-plugin/motan-plugin/pom.xml
@@ -30,31 +30,36 @@
     <name>motan-plugin</name>
     <url>http://maven.apache.org</url>
 
+    <properties>
+        <motan.version>0.2.1</motan.version>
+        <spring-context.version>4.2.4.RELEASE</spring-context.version>
+    </properties>
+
     <dependencies>
         <!-- Motan -->
         <dependency>
             <groupId>com.weibo</groupId>
             <artifactId>motan-core</artifactId>
-            <version>0.2.1</version>
+            <version>${motan.version}</version>
             <scope>provided</scope>
         </dependency>
         <dependency>
             <groupId>com.weibo</groupId>
             <artifactId>motan-transport-netty</artifactId>
-            <version>0.2.1</version>
+            <version>${motan.version}</version>
             <scope>provided</scope>
         </dependency>
         <dependency>
             <groupId>com.weibo</groupId>
             <artifactId>motan-springsupport</artifactId>
-            <version>0.2.1</version>
+            <version>${motan.version}</version>
             <scope>provided</scope>
         </dependency>
 
         <dependency>
             <groupId>org.springframework</groupId>
             <artifactId>spring-context</artifactId>
-            <version>4.2.4.RELEASE</version>
+            <version>${spring-context.version}</version>
             <scope>test</scope>
         </dependency>
     </dependencies>
diff --git a/apm-sniffer/apm-sdk-plugin/mysql-5.x-plugin/pom.xml b/apm-sniffer/apm-sdk-plugin/mysql-5.x-plugin/pom.xml
index b532afdb297d7f7e152030edfa9ec18c18b3e810..309afd9a45d54a50aea1bc519fff1c2b173bc07b 100755
--- a/apm-sniffer/apm-sdk-plugin/mysql-5.x-plugin/pom.xml
+++ b/apm-sniffer/apm-sdk-plugin/mysql-5.x-plugin/pom.xml
@@ -32,13 +32,14 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <mysql-connector-java.version>5.1.36</mysql-connector-java.version>
     </properties>
 
     <dependencies>
         <dependency>
             <groupId>mysql</groupId>
             <artifactId>mysql-connector-java</artifactId>
-            <version>5.1.36</version>
+            <version>${mysql-connector-java.version}</version>
             <scope>test</scope>
         </dependency>
         <dependency>
diff --git a/apm-sniffer/apm-sdk-plugin/nutz-plugins/http-1.x-plugin/pom.xml b/apm-sniffer/apm-sdk-plugin/nutz-plugins/http-1.x-plugin/pom.xml
index fdebf6ed3f66c2c0aaf23b13a0a158d7cc59e1ec..1c2d5d55f95d470ba89b28c7f379fc72b51b6514 100644
--- a/apm-sniffer/apm-sdk-plugin/nutz-plugins/http-1.x-plugin/pom.xml
+++ b/apm-sniffer/apm-sdk-plugin/nutz-plugins/http-1.x-plugin/pom.xml
@@ -30,11 +30,15 @@
     <name>http-1.x-plugin</name>
     <url>http://maven.apache.org</url>
 
+    <properties>
+        <nutz.version>1.r.62</nutz.version>
+    </properties>
+
     <dependencies>
         <dependency>
             <groupId>org.nutz</groupId>
             <artifactId>nutz</artifactId>
-            <version>1.r.62</version>
+            <version>${nutz.version}</version>
             <scope>provided</scope>
         </dependency>
     </dependencies>
diff --git a/apm-sniffer/apm-sdk-plugin/nutz-plugins/mvc-annotation-1.x-plugin/pom.xml b/apm-sniffer/apm-sdk-plugin/nutz-plugins/mvc-annotation-1.x-plugin/pom.xml
index 3ec58c3373389a5766860e01d773ef9dceb0b953..2cd2e1cd773aa2cb1c68a681ce903362014343ab 100644
--- a/apm-sniffer/apm-sdk-plugin/nutz-plugins/mvc-annotation-1.x-plugin/pom.xml
+++ b/apm-sniffer/apm-sdk-plugin/nutz-plugins/mvc-annotation-1.x-plugin/pom.xml
@@ -30,17 +30,22 @@
     <name>mvc-annotation-1.x-plugin</name>
     <url>http://maven.apache.org</url>
 
+    <properties>
+        <nutz.version>1.r.62</nutz.version>
+        <javax-servlet-api.version>3.1.0</javax-servlet-api.version>
+    </properties>
+
     <dependencies>
         <dependency>
             <groupId>org.nutz</groupId>
             <artifactId>nutz</artifactId>
-            <version>1.r.62</version>
+            <version>${nutz.version}</version>
             <scope>provided</scope>
         </dependency>
         <dependency>
             <groupId>javax.servlet</groupId>
             <artifactId>javax.servlet-api</artifactId>
-            <version>3.1.0</version>
+            <version>${javax-servlet-api.version}</version>
             <scope>provided</scope>
         </dependency>
     </dependencies>
diff --git a/apm-sniffer/apm-sdk-plugin/oracle-10.x-plugin/pom.xml b/apm-sniffer/apm-sdk-plugin/oracle-10.x-plugin/pom.xml
index 083771b4fc10399c4c99095874c41d649564d171..d8088c80a77b7da1de58f64c834d05a483c073ab 100755
--- a/apm-sniffer/apm-sdk-plugin/oracle-10.x-plugin/pom.xml
+++ b/apm-sniffer/apm-sdk-plugin/oracle-10.x-plugin/pom.xml
@@ -33,13 +33,14 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <ojdbc14.version>10.2.0.4.0</ojdbc14.version>
     </properties>
 
     <dependencies>
         <dependency>
             <groupId>com.oracle</groupId>
             <artifactId>ojdbc14</artifactId>
-            <version>10.2.0.4.0</version>
+            <version>${ojdbc14.version}</version>
             <scope>provided</scope>
         </dependency>
         <dependency>
diff --git a/apm-sniffer/apm-sdk-plugin/pom.xml b/apm-sniffer/apm-sdk-plugin/pom.xml
index 13babd3acada3dacd608474928040a642ed83c48..62e55d904afee4c304df5d4220ba087487ceb099 100644
--- a/apm-sniffer/apm-sdk-plugin/pom.xml
+++ b/apm-sniffer/apm-sdk-plugin/pom.xml
@@ -72,6 +72,9 @@
 
         <agent.package.dest.dir>${project.build.directory}${sdk.plugin.related.dir}/../../../../skywalking-agent</agent.package.dest.dir>
         <plugin.dest.dir>${agent.package.dest.dir}/plugins</plugin.dest.dir>
+
+        <ant-contrib.version>1.0b3</ant-contrib.version>
+        <ant-nodeps.version>1.8.1</ant-nodeps.version>
     </properties>
 
     <dependencies>
@@ -147,7 +150,7 @@
                     <dependency>
                         <groupId>ant-contrib</groupId>
                         <artifactId>ant-contrib</artifactId>
-                        <version>1.0b3</version>
+                        <version>${ant-contrib.version}</version>
                         <exclusions>
                             <exclusion>
                                 <groupId>ant</groupId>
@@ -158,7 +161,7 @@
                     <dependency>
                         <groupId>org.apache.ant</groupId>
                         <artifactId>ant-nodeps</artifactId>
-                        <version>1.8.1</version>
+                        <version>${ant-nodeps.version}</version>
                     </dependency>
                 </dependencies>
             </plugin>
diff --git a/apm-sniffer/apm-sdk-plugin/postgresql-8.x-plugin/pom.xml b/apm-sniffer/apm-sdk-plugin/postgresql-8.x-plugin/pom.xml
index 84cbb4747660afc2560b233be09255157dd877a4..1b8dff661887e63e3ff6b7677a8f526744942b8c 100755
--- a/apm-sniffer/apm-sdk-plugin/postgresql-8.x-plugin/pom.xml
+++ b/apm-sniffer/apm-sdk-plugin/postgresql-8.x-plugin/pom.xml
@@ -32,13 +32,14 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <postgresql.version>42.0.0</postgresql.version>
     </properties>
 
     <dependencies>
         <dependency>
             <groupId>org.postgresql</groupId>
             <artifactId>postgresql</artifactId>
-            <version>42.0.0</version>
+            <version>${postgresql.version}</version>
             <scope>provided</scope>
         </dependency>
         <dependency>
diff --git a/apm-sniffer/apm-sdk-plugin/resin-3.x-plugin/pom.xml b/apm-sniffer/apm-sdk-plugin/resin-3.x-plugin/pom.xml
index 67fdcf0e11644e34f54499069ac3a845662b1a23..eb59f1f39fe2bb0773f67adc8a32773af20d9c8e 100644
--- a/apm-sniffer/apm-sdk-plugin/resin-3.x-plugin/pom.xml
+++ b/apm-sniffer/apm-sdk-plugin/resin-3.x-plugin/pom.xml
@@ -36,19 +36,21 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <resin.version>3.0.9</resin.version>
+        <javax-servlet-api.version>3.0.1</javax-servlet-api.version>
     </properties>
 
     <dependencies>
         <dependency>
             <groupId>com.caucho</groupId>
             <artifactId>resin</artifactId>
-            <version>3.0.9</version>
+            <version>${resin.version}</version>
             <scope>provided</scope>
         </dependency>
         <dependency>
             <groupId>javax.servlet</groupId>
             <artifactId>javax.servlet-api</artifactId>
-            <version>3.0.1</version>
+            <version>${javax-servlet-api.version}</version>
             <scope>provided</scope>
         </dependency>
     </dependencies>
diff --git a/apm-sniffer/apm-sdk-plugin/resin-4.x-plugin/pom.xml b/apm-sniffer/apm-sdk-plugin/resin-4.x-plugin/pom.xml
index 36d395db73b7c54ef56c9231781253281dbc5908..329d3a2ebad8e8a8b7f1f6a8742969fe2f646c7e 100644
--- a/apm-sniffer/apm-sdk-plugin/resin-4.x-plugin/pom.xml
+++ b/apm-sniffer/apm-sdk-plugin/resin-4.x-plugin/pom.xml
@@ -36,19 +36,21 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <resin.version>4.0.41</resin.version>
+        <javax-servlet-api.version>3.0.1</javax-servlet-api.version>
     </properties>
 
     <dependencies>
         <dependency>
             <groupId>com.caucho</groupId>
             <artifactId>resin</artifactId>
-            <version>4.0.41</version>
+            <version>${resin.version}</version>
             <scope>provided</scope>
         </dependency>
         <dependency>
             <groupId>javax.servlet</groupId>
             <artifactId>javax.servlet-api</artifactId>
-            <version>3.0.1</version>
+            <version>${javax-servlet-api.version}</version>
             <scope>provided</scope>
         </dependency>
     </dependencies>
diff --git a/apm-sniffer/apm-sdk-plugin/rocketMQ-3.x-plugin/pom.xml b/apm-sniffer/apm-sdk-plugin/rocketMQ-3.x-plugin/pom.xml
index 77c28a37eb6fa8602fa06259b07ddc5d93ffc18c..e5492ddda910174166867fb783c65af6f13f5e0e 100644
--- a/apm-sniffer/apm-sdk-plugin/rocketMQ-3.x-plugin/pom.xml
+++ b/apm-sniffer/apm-sdk-plugin/rocketMQ-3.x-plugin/pom.xml
@@ -30,13 +30,14 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <rocketmq-client.version>3.6.2.Final</rocketmq-client.version>
     </properties>
 
     <dependencies>
         <dependency>
             <groupId>com.alibaba.rocketmq</groupId>
             <artifactId>rocketmq-client</artifactId>
-            <version>3.6.2.Final</version>
+            <version>${rocketmq-client.version}</version>
             <scope>provided</scope>
         </dependency>
     </dependencies>
diff --git a/apm-sniffer/apm-sdk-plugin/rocketMQ-4.x-plugin/pom.xml b/apm-sniffer/apm-sdk-plugin/rocketMQ-4.x-plugin/pom.xml
index bb430bfdca729727c86ce7d74b15083fb6421421..8d82324521d7525fad2df28aa818c4d7f83d1532 100644
--- a/apm-sniffer/apm-sdk-plugin/rocketMQ-4.x-plugin/pom.xml
+++ b/apm-sniffer/apm-sdk-plugin/rocketMQ-4.x-plugin/pom.xml
@@ -30,13 +30,14 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <rocketmq-client.version>4.1.0-incubating</rocketmq-client.version>
     </properties>
 
     <dependencies>
         <dependency>
             <groupId>org.apache.rocketmq</groupId>
             <artifactId>rocketmq-client</artifactId>
-            <version>4.1.0-incubating</version>
+            <version>${rocketmq-client.version}</version>
             <scope>provided</scope>
         </dependency>
     </dependencies>
diff --git a/apm-sniffer/apm-sdk-plugin/servicecomb-plugin/servicecomb-java-chassis-0.x-plugin/pom.xml b/apm-sniffer/apm-sdk-plugin/servicecomb-plugin/servicecomb-java-chassis-0.x-plugin/pom.xml
index d6e0784926dcea2c8772f0bc1770166646a60def..d35f251142eefd959435d1248cc59d0e679bcc2b 100644
--- a/apm-sniffer/apm-sdk-plugin/servicecomb-plugin/servicecomb-java-chassis-0.x-plugin/pom.xml
+++ b/apm-sniffer/apm-sdk-plugin/servicecomb-plugin/servicecomb-java-chassis-0.x-plugin/pom.xml
@@ -32,12 +32,16 @@
 
     <name>servicecomb-java-chassis-0.x-plugin</name>
     <url>http://maven.apache.org</url>
+
+    <properties>
+        <java-chassis-core.version>0.5.0</java-chassis-core.version>
+    </properties>
     
     <dependencies>
         <dependency>
             <groupId>io.servicecomb</groupId>
             <artifactId>java-chassis-core</artifactId>
-            <version>0.5.0</version>
+            <version>${java-chassis-core.version}</version>
             <scope>provided</scope>
         </dependency>
     </dependencies>
diff --git a/apm-sniffer/apm-sdk-plugin/servicecomb-plugin/servicecomb-java-chassis-1.x-plugin/pom.xml b/apm-sniffer/apm-sdk-plugin/servicecomb-plugin/servicecomb-java-chassis-1.x-plugin/pom.xml
index 22e932a750011799578c10dcd99f9a288fc1bbcc..7c4322ab3b061d665bf1a27f4e73a7f5678d444d 100644
--- a/apm-sniffer/apm-sdk-plugin/servicecomb-plugin/servicecomb-java-chassis-1.x-plugin/pom.xml
+++ b/apm-sniffer/apm-sdk-plugin/servicecomb-plugin/servicecomb-java-chassis-1.x-plugin/pom.xml
@@ -33,12 +33,15 @@
     <name>servicecomb-java-chassis-1.x-plugin</name>
     <url>http://maven.apache.org</url>
 
+    <properties>
+        <java-chassis-core.version>1.0.0-m1</java-chassis-core.version>
+    </properties>
 
     <dependencies>
         <dependency>
             <groupId>org.apache.servicecomb</groupId>
             <artifactId>java-chassis-core</artifactId>
-            <version>1.0.0-m1</version>
+            <version>${java-chassis-core.version}</version>
             <scope>provided</scope>
         </dependency>
     </dependencies>
diff --git a/apm-sniffer/apm-sdk-plugin/sofarpc-plugin/pom.xml b/apm-sniffer/apm-sdk-plugin/sofarpc-plugin/pom.xml
index 0767740fb6699fd56221974c40ed1e1b2b643ae7..2222975b898196c54840154ae0a522ae4b724146 100644
--- a/apm-sniffer/apm-sdk-plugin/sofarpc-plugin/pom.xml
+++ b/apm-sniffer/apm-sdk-plugin/sofarpc-plugin/pom.xml
@@ -32,13 +32,14 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <sofa-rpc-all.version>5.4.0</sofa-rpc-all.version>
     </properties>
 
     <dependencies>
         <dependency>
             <groupId>com.alipay.sofa</groupId>
             <artifactId>sofa-rpc-all</artifactId>
-            <version>5.4.0</version>
+            <version>${sofa-rpc-all.version}</version>
             <scope>provided</scope>
         </dependency>
     </dependencies>
diff --git a/apm-sniffer/apm-sdk-plugin/spring-plugins/concurrent-util-4.x-plugin/pom.xml b/apm-sniffer/apm-sdk-plugin/spring-plugins/concurrent-util-4.x-plugin/pom.xml
index e6afb504f3871b139e8abb8b06d7a32267818f13..2d836b315e8b7c55e4ef0a25f9708f12fc5bbc93 100644
--- a/apm-sniffer/apm-sdk-plugin/spring-plugins/concurrent-util-4.x-plugin/pom.xml
+++ b/apm-sniffer/apm-sdk-plugin/spring-plugins/concurrent-util-4.x-plugin/pom.xml
@@ -30,11 +30,15 @@
     <name>concurrent-util-4.x-plugin</name>
     <url>http://maven.apache.org</url>
 
+    <properties>
+        <spring-core.version>4.3.10.RELEASE</spring-core.version>
+    </properties>
+
     <dependencies>
         <dependency>
             <groupId>org.springframework</groupId>
             <artifactId>spring-core</artifactId>
-            <version>4.3.10.RELEASE</version>
+            <version>${spring-core.version}</version>
             <scope>provided</scope>
         </dependency>
     </dependencies>
diff --git a/apm-sniffer/apm-sdk-plugin/spring-plugins/core-patch/pom.xml b/apm-sniffer/apm-sdk-plugin/spring-plugins/core-patch/pom.xml
index 85115a4ebf557da836be4a070726bd38deeb4ce6..7947bd6362b14b77c5dee81672f82bb1ed42bf14 100644
--- a/apm-sniffer/apm-sdk-plugin/spring-plugins/core-patch/pom.xml
+++ b/apm-sniffer/apm-sdk-plugin/spring-plugins/core-patch/pom.xml
@@ -28,11 +28,15 @@
     <artifactId>apm-spring-core-patch</artifactId>
     <name>core-patch</name>
 
+    <properties>
+        <spring-aop.version>3.2.9.RELEASE</spring-aop.version>
+    </properties>
+
     <dependencies>
         <dependency>
             <groupId>org.springframework</groupId>
             <artifactId>spring-aop</artifactId>
-            <version>3.2.9.RELEASE</version>
+            <version>${spring-aop.version}</version>
             <scope>provided</scope>
         </dependency>
     </dependencies>
diff --git a/apm-sniffer/apm-sdk-plugin/spring-plugins/mvc-annotation-3.x-plugin/pom.xml b/apm-sniffer/apm-sdk-plugin/spring-plugins/mvc-annotation-3.x-plugin/pom.xml
index 2acd191bf8e817c09e592fc3cef2e39e98fd99d5..766ef03e201582a0669fe7cb8b50f04ffd564eb0 100644
--- a/apm-sniffer/apm-sdk-plugin/spring-plugins/mvc-annotation-3.x-plugin/pom.xml
+++ b/apm-sniffer/apm-sdk-plugin/spring-plugins/mvc-annotation-3.x-plugin/pom.xml
@@ -30,23 +30,29 @@
     <name>mvc-annotation-3.x-plugin</name>
     <url>http://maven.apache.org</url>
 
+    <properties>
+        <spring-core.version>3.2.18.RELEASE</spring-core.version>
+        <spring-webmvc.version>3.2.18.RELEASE</spring-webmvc.version>
+        <javax-servlet-api.version>3.0.1</javax-servlet-api.version>
+    </properties>
+
     <dependencies>
         <dependency>
             <groupId>org.springframework</groupId>
             <artifactId>spring-core</artifactId>
-            <version>3.2.18.RELEASE</version>
+            <version>${spring-core.version}</version>
             <scope>provided</scope>
         </dependency>
         <dependency>
             <groupId>org.springframework</groupId>
             <artifactId>spring-webmvc</artifactId>
-            <version>3.2.18.RELEASE</version>
+            <version>${spring-webmvc.version}</version>
             <scope>provided</scope>
         </dependency>
         <dependency>
             <groupId>javax.servlet</groupId>
             <artifactId>javax.servlet-api</artifactId>
-            <version>3.0.1</version>
+            <version>${javax-servlet-api.version}</version>
             <scope>provided</scope>
         </dependency>
         <dependency>
diff --git a/apm-sniffer/apm-sdk-plugin/spring-plugins/mvc-annotation-4.x-plugin/pom.xml b/apm-sniffer/apm-sdk-plugin/spring-plugins/mvc-annotation-4.x-plugin/pom.xml
index c04d5d76174400c816ac27df9e11c03bc6c6da66..ba7ac3360cb806a4bfaa0b2ed3298256058bd859 100644
--- a/apm-sniffer/apm-sdk-plugin/spring-plugins/mvc-annotation-4.x-plugin/pom.xml
+++ b/apm-sniffer/apm-sdk-plugin/spring-plugins/mvc-annotation-4.x-plugin/pom.xml
@@ -30,23 +30,29 @@
     <name>mvc-annotation-4.x-plugin</name>
     <url>http://maven.apache.org</url>
 
+    <properties>
+        <spring-core.version>4.3.10.RELEASE</spring-core.version>
+        <spring-webmvc.version>4.3.8.RELEASE</spring-webmvc.version>
+        <javax-servlet-api.version>3.0.1</javax-servlet-api.version>
+    </properties>
+
     <dependencies>
         <dependency>
             <groupId>org.springframework</groupId>
             <artifactId>spring-core</artifactId>
-            <version>4.3.10.RELEASE</version>
+            <version>${spring-core.version}</version>
             <scope>provided</scope>
         </dependency>
         <dependency>
             <groupId>org.springframework</groupId>
             <artifactId>spring-webmvc</artifactId>
-            <version>4.3.8.RELEASE</version>
+            <version>${spring-webmvc.version}</version>
             <scope>provided</scope>
         </dependency>
         <dependency>
             <groupId>javax.servlet</groupId>
             <artifactId>javax.servlet-api</artifactId>
-            <version>3.0.1</version>
+            <version>${javax-servlet-api.version}</version>
             <scope>provided</scope>
         </dependency>
         <dependency>
diff --git a/apm-sniffer/apm-sdk-plugin/spring-plugins/mvc-annotation-commons/pom.xml b/apm-sniffer/apm-sdk-plugin/spring-plugins/mvc-annotation-commons/pom.xml
index 44918e5a2e40171ba621d7dbc22a51886fe02c63..143b425ff4cc8a9664cf5b617886e4978d52750f 100644
--- a/apm-sniffer/apm-sdk-plugin/spring-plugins/mvc-annotation-commons/pom.xml
+++ b/apm-sniffer/apm-sdk-plugin/spring-plugins/mvc-annotation-commons/pom.xml
@@ -30,23 +30,29 @@
     <name>mvc-annotation-commons</name>
     <url>http://maven.apache.org</url>
 
+    <properties>
+        <spring-core.version>4.3.10.RELEASE</spring-core.version>
+        <spring-webmvc.version>4.3.8.RELEASE</spring-webmvc.version>
+        <javax-servlet-api.version>3.0.1</javax-servlet-api.version>
+    </properties>
+
     <dependencies>
         <dependency>
             <groupId>org.springframework</groupId>
             <artifactId>spring-core</artifactId>
-            <version>4.3.10.RELEASE</version>
+            <version>${spring-core.version}</version>
             <scope>provided</scope>
         </dependency>
         <dependency>
             <groupId>org.springframework</groupId>
             <artifactId>spring-webmvc</artifactId>
-            <version>4.3.8.RELEASE</version>
+            <version>${spring-webmvc.version}</version>
             <scope>provided</scope>
         </dependency>
         <dependency>
             <groupId>javax.servlet</groupId>
             <artifactId>javax.servlet-api</artifactId>
-            <version>3.0.1</version>
+            <version>${javax-servlet-api.version}</version>
             <scope>provided</scope>
         </dependency>
     </dependencies>
diff --git a/apm-sniffer/apm-sdk-plugin/spring-plugins/resttemplate-4.x-plugin/pom.xml b/apm-sniffer/apm-sdk-plugin/spring-plugins/resttemplate-4.x-plugin/pom.xml
index c9c749a0f782d022d85a694b477b8a1322f4427e..8c3218a3f5122ea869b7a29a696d35267505b14e 100644
--- a/apm-sniffer/apm-sdk-plugin/spring-plugins/resttemplate-4.x-plugin/pom.xml
+++ b/apm-sniffer/apm-sdk-plugin/spring-plugins/resttemplate-4.x-plugin/pom.xml
@@ -30,11 +30,15 @@
     <name>resttemplate-4.3.x-plugin</name>
     <url>http://maven.apache.org</url>
 
+    <properties>
+        <spring-web.version>4.3.10.RELEASE</spring-web.version>
+    </properties>
+
     <dependencies>
         <dependency>
             <groupId>org.springframework</groupId>
             <artifactId>spring-web</artifactId>
-            <version>4.3.10.RELEASE</version>
+            <version>${spring-web.version}</version>
             <scope>provided</scope>
         </dependency>
     </dependencies>
diff --git a/apm-sniffer/apm-sdk-plugin/spring-plugins/spring-cloud/netflix-plugins/spring-cloud-feign-1.x-plugin/pom.xml b/apm-sniffer/apm-sdk-plugin/spring-plugins/spring-cloud/netflix-plugins/spring-cloud-feign-1.x-plugin/pom.xml
index 99113fc2fc12c61ec992520a056c28aeef197f8f..71e65327e30daf5c0d257353e0b133390cef56aa 100644
--- a/apm-sniffer/apm-sdk-plugin/spring-plugins/spring-cloud/netflix-plugins/spring-cloud-feign-1.x-plugin/pom.xml
+++ b/apm-sniffer/apm-sdk-plugin/spring-plugins/spring-cloud/netflix-plugins/spring-cloud-feign-1.x-plugin/pom.xml
@@ -33,11 +33,15 @@
     <name>spring-cloud-feign-1.x-plugin</name>
     <url>http://maven.apache.org</url>
 
+    <properties>
+        <spring-cloud-starter-feign.version>1.1.0.RELEASE</spring-cloud-starter-feign.version>
+    </properties>
+
     <dependencies>
         <dependency>
             <groupId>org.springframework.cloud</groupId>
             <artifactId>spring-cloud-starter-feign</artifactId>
-            <version>1.1.0.RELEASE</version>
+            <version>${spring-cloud-starter-feign.version}</version>
             <scope>provided</scope>
         </dependency>
         <dependency>
diff --git a/apm-sniffer/apm-sdk-plugin/spymemcached-2.x-plugin/pom.xml b/apm-sniffer/apm-sdk-plugin/spymemcached-2.x-plugin/pom.xml
index 3a2675dc089374768aecdd97832a5734049d9428..bcf4e772baa58c44745fdc829d6462d3f1e4a9d5 100644
--- a/apm-sniffer/apm-sdk-plugin/spymemcached-2.x-plugin/pom.xml
+++ b/apm-sniffer/apm-sdk-plugin/spymemcached-2.x-plugin/pom.xml
@@ -32,6 +32,7 @@
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <spymemcached.version>2.11.1</spymemcached.version>
+        <log4j-core.version>2.4.1</log4j-core.version>
     </properties>
 
     <dependencies>
@@ -44,7 +45,7 @@
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-core</artifactId>
-            <version>2.4.1</version>
+            <version>${log4j-core.version}</version>
             <scope>test</scope>
         </dependency>
     </dependencies>
diff --git a/apm-sniffer/apm-sdk-plugin/struts2-2.x-plugin/pom.xml b/apm-sniffer/apm-sdk-plugin/struts2-2.x-plugin/pom.xml
index c0046733ed286ca93d933ebdadd4fc8342d18f1d..448cb90c26560aa98deab07dc55f4e5652639200 100644
--- a/apm-sniffer/apm-sdk-plugin/struts2-2.x-plugin/pom.xml
+++ b/apm-sniffer/apm-sdk-plugin/struts2-2.x-plugin/pom.xml
@@ -32,25 +32,28 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <struts2-core.version>2.3.1</struts2-core.version>
+        <javax-servlet-api.version>3.1.0</javax-servlet-api.version>
+        <jsp-api.version>2.0</jsp-api.version>
     </properties>
 
     <dependencies>
         <dependency>
             <groupId>org.apache.struts</groupId>
             <artifactId>struts2-core</artifactId>
-            <version>2.3.1</version>
+            <version>${struts2-core.version}</version>
             <scope>provided</scope>
         </dependency>
         <dependency>
             <groupId>javax.servlet</groupId>
             <artifactId>javax.servlet-api</artifactId>
-            <version>3.1.0</version>
+            <version>${javax-servlet-api.version}</version>
             <scope>provided</scope>
         </dependency>
         <dependency>
             <groupId>javax.servlet</groupId>
             <artifactId>jsp-api</artifactId>
-            <version>2.0</version>
+            <version>${jsp-api.version}</version>
             <scope>test</scope>
         </dependency>
     </dependencies>
diff --git a/apm-sniffer/apm-sdk-plugin/tomcat-7.x-8.x-plugin/pom.xml b/apm-sniffer/apm-sdk-plugin/tomcat-7.x-8.x-plugin/pom.xml
index e7746071f956fe586ae1c0bc93b95de5565fc4b2..1f696db1e8e45a0a64e4ef03f42185acc523dc7f 100644
--- a/apm-sniffer/apm-sdk-plugin/tomcat-7.x-8.x-plugin/pom.xml
+++ b/apm-sniffer/apm-sdk-plugin/tomcat-7.x-8.x-plugin/pom.xml
@@ -32,13 +32,15 @@
 
     <properties>
         <tomcat.version>8.0.36</tomcat.version>
+        <junit.version>4.12</junit.version>
+        <apache-httpclient.version>4.5.2</apache-httpclient.version>
     </properties>
 
     <dependencies>
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.12</version>
+            <version>${junit.version}</version>
             <scope>test</scope>
         </dependency>
         <dependency>
@@ -62,7 +64,7 @@
         <dependency>
             <groupId>org.apache.httpcomponents</groupId>
             <artifactId>httpclient</artifactId>
-            <version>4.5.2</version>
+            <version>${apache-httpclient.version}</version>
             <scope>test</scope>
         </dependency>
     </dependencies>
diff --git a/apm-sniffer/apm-sdk-plugin/xmemcached-2.x-plugin/pom.xml b/apm-sniffer/apm-sdk-plugin/xmemcached-2.x-plugin/pom.xml
index aa8a543ee3fedc6d4267701ced68bc8052bb8c1c..f47fd4dbf8e66f07f45bd18287140223ea186308 100644
--- a/apm-sniffer/apm-sdk-plugin/xmemcached-2.x-plugin/pom.xml
+++ b/apm-sniffer/apm-sdk-plugin/xmemcached-2.x-plugin/pom.xml
@@ -30,7 +30,9 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+
         <xmemcached.version>2.0.0</xmemcached.version>
+        <log4j-core.version>2.4.1</log4j-core.version>
     </properties>
 
     <dependencies>
@@ -43,7 +45,7 @@
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-core</artifactId>
-            <version>2.4.1</version>
+            <version>${log4j-core.version}</version>
             <scope>test</scope>
         </dependency>
     </dependencies>
diff --git a/apm-sniffer/apm-toolkit-activation/apm-toolkit-log4j-1.x-activation/pom.xml b/apm-sniffer/apm-toolkit-activation/apm-toolkit-log4j-1.x-activation/pom.xml
index 64dc93915d8ae9cfb589bded5710d0dee3907ad2..e1dfc473d9c549b1232f60e9edd6546a3cba8e3b 100644
--- a/apm-sniffer/apm-toolkit-activation/apm-toolkit-log4j-1.x-activation/pom.xml
+++ b/apm-sniffer/apm-toolkit-activation/apm-toolkit-log4j-1.x-activation/pom.xml
@@ -27,11 +27,15 @@
 
     <artifactId>apm-toolkit-log4j-1.x-activation</artifactId>
 
+    <properties>
+        <log4j.version>1.2.17</log4j.version>
+    </properties>
+
     <dependencies>
         <dependency>
             <groupId>log4j</groupId>
             <artifactId>log4j</artifactId>
-            <version>1.2.17</version>
+            <version>${log4j.version}</version>
             <scope>test</scope>
         </dependency>
         <dependency>
diff --git a/apm-sniffer/apm-toolkit-activation/pom.xml b/apm-sniffer/apm-toolkit-activation/pom.xml
index 1b58b8666b67bbe00a4e9739ecbcf63be464dfaf..dbde36fff543ce9a05e34f0a41f0774708689e76 100644
--- a/apm-sniffer/apm-toolkit-activation/pom.xml
+++ b/apm-sniffer/apm-toolkit-activation/pom.xml
@@ -39,6 +39,9 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <shade.net.bytebuddy.source>net.bytebuddy</shade.net.bytebuddy.source>
         <shade.net.bytebuddy.target>${shade.package}.${shade.net.bytebuddy.source}</shade.net.bytebuddy.target>
+
+        <ant-contrib.version>1.0b3</ant-contrib.version>
+        <ant-nodeps.version>1.8.1</ant-nodeps.version>
     </properties>
 
     <dependencies>
@@ -127,7 +130,7 @@
                     <dependency>
                         <groupId>ant-contrib</groupId>
                         <artifactId>ant-contrib</artifactId>
-                        <version>1.0b3</version>
+                        <version>${ant-contrib.version}</version>
                         <exclusions>
                             <exclusion>
                                 <groupId>ant</groupId>
@@ -138,7 +141,7 @@
                     <dependency>
                         <groupId>org.apache.ant</groupId>
                         <artifactId>ant-nodeps</artifactId>
-                        <version>1.8.1</version>
+                        <version>${ant-nodeps.version}</version>
                     </dependency>
                 </dependencies>
             </plugin>
diff --git a/apm-sniffer/optional-plugins/optional-spring-plugins/spring-annotation-plugin/pom.xml b/apm-sniffer/optional-plugins/optional-spring-plugins/spring-annotation-plugin/pom.xml
index 90c5d8d7e44f573239085fed286045c5de99112f..79a4622d2058ac479ad5e3c74c27b4f29451d891 100644
--- a/apm-sniffer/optional-plugins/optional-spring-plugins/spring-annotation-plugin/pom.xml
+++ b/apm-sniffer/optional-plugins/optional-spring-plugins/spring-annotation-plugin/pom.xml
@@ -28,11 +28,15 @@
 
     <artifactId>apm-spring-annotation-plugin</artifactId>
 
+    <properties>
+        <spring-context.version>3.2.0.RELEASE</spring-context.version>
+    </properties>
+
     <dependencies>
         <dependency>
             <groupId>org.springframework</groupId>
             <artifactId>spring-context</artifactId>
-            <version>3.2.0.RELEASE</version>
+            <version>${spring-context.version}</version>
             <scope>provided</scope>
         </dependency>
     </dependencies>
diff --git a/apm-sniffer/optional-plugins/pom.xml b/apm-sniffer/optional-plugins/pom.xml
index 3a6c4fce6431ed9ce55f145fe573156d4f9e5fd4..023545f24b7b883759f468251de3fafba4601843 100644
--- a/apm-sniffer/optional-plugins/pom.xml
+++ b/apm-sniffer/optional-plugins/pom.xml
@@ -35,6 +35,9 @@
         <sdk.plugin.related.dir />
         <agent.package.dest.dir>${project.build.directory}${sdk.plugin.related.dir}/../../../../skywalking-agent</agent.package.dest.dir>
         <optional.plugin.dest.dir>${agent.package.dest.dir}/optional-plugins</optional.plugin.dest.dir>
+
+        <ant-contrib.version>1.0b3</ant-contrib.version>
+        <ant-nodeps.version>1.8.1</ant-nodeps.version>
     </properties>
 
     <modules>
@@ -114,7 +117,7 @@
                     <dependency>
                         <groupId>ant-contrib</groupId>
                         <artifactId>ant-contrib</artifactId>
-                        <version>1.0b3</version>
+                        <version>${ant-contrib.version}</version>
                         <exclusions>
                             <exclusion>
                                 <groupId>ant</groupId>
@@ -125,7 +128,7 @@
                     <dependency>
                         <groupId>org.apache.ant</groupId>
                         <artifactId>ant-nodeps</artifactId>
-                        <version>1.8.1</version>
+                        <version>${ant-nodeps.version}</version>
                     </dependency>
                 </dependencies>
             </plugin>
diff --git a/apm-webapp/pom.xml b/apm-webapp/pom.xml
index 8ba7a6f3df7c2d9014bc6a4787b7eebef266abc4..da9c6515618e7e1967e4894446223559a4beee15 100644
--- a/apm-webapp/pom.xml
+++ b/apm-webapp/pom.xml
@@ -29,11 +29,17 @@
 
     <artifactId>apm-webapp</artifactId>
     <packaging>jar</packaging>
+
     <properties>
         <compiler.version>1.8</compiler.version>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <spring.boot.version>1.5.11.RELEASE</spring.boot.version>
         <log4j.version>2.6.2</log4j.version>
+        <gson.version>2.8.2</gson.version>
+        <apache-httpclient.version>4.5.3</apache-httpclient.version>
+        <spring-cloud-dependencies.version>Edgware.SR1</spring-cloud-dependencies.version>
+        <frontend-maven-plugin.version>1.6</frontend-maven-plugin.version>
+
         <ui.path>${project.parent.basedir}/skywalking-ui</ui.path>
     </properties>
 
@@ -42,7 +48,7 @@
             <dependency>
                 <groupId>org.springframework.cloud</groupId>
                 <artifactId>spring-cloud-dependencies</artifactId>
-                <version>Edgware.SR1</version>
+                <version>${spring-cloud-dependencies.version}</version>
                 <type>pom</type>
                 <scope>import</scope>
             </dependency>
@@ -73,12 +79,12 @@
         <dependency>
             <groupId>com.google.code.gson</groupId>
             <artifactId>gson</artifactId>
-            <version>2.8.2</version>
+            <version>${gson.version}</version>
         </dependency>
         <dependency>
             <groupId>org.apache.httpcomponents</groupId>
             <artifactId>httpclient</artifactId>
-            <version>4.5.3</version>
+            <version>${apache-httpclient.version}</version>
         </dependency>
         <dependency>
             <groupId>org.springframework.cloud</groupId>
@@ -113,7 +119,7 @@
             <plugin>
                 <groupId>com.github.eirslett</groupId>
                 <artifactId>frontend-maven-plugin</artifactId>
-                <version>1.6</version>
+                <version>${frontend-maven-plugin.version}</version>
                 <configuration>
                     <workingDirectory>${ui.path}</workingDirectory>
                     <nodeVersion>v8.9.4</nodeVersion>
diff --git a/oap-server/server-cluster-plugin/cluster-kubernetes-plugin/pom.xml b/oap-server/server-cluster-plugin/cluster-kubernetes-plugin/pom.xml
index 3a507a19c03ea292ea4715154f856efa1d865495..49fb18b9cb55ca1223aaa30f2d65ec4513c3d71e 100644
--- a/oap-server/server-cluster-plugin/cluster-kubernetes-plugin/pom.xml
+++ b/oap-server/server-cluster-plugin/cluster-kubernetes-plugin/pom.xml
@@ -32,6 +32,10 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <java.version>1.8</java.version>
+        <maven.compiler.source>${java.version}</maven.compiler.source>
+        <maven.compiler.target>${java.version}</maven.compiler.target>
+        <elasticsearch-client-transport.version>5.6.6</elasticsearch-client-transport.version>
     </properties>
 
     <dependencies>
@@ -44,6 +48,12 @@
             <groupId>io.kubernetes</groupId>
             <artifactId>client-java</artifactId>
         </dependency>
+        <dependency>
+            <groupId>org.elasticsearch.client</groupId>
+            <artifactId>transport</artifactId>
+            <version>${elasticsearch-client-transport.version}</version>
+            <scope>provided</scope>
+        </dependency>
     </dependencies>
 
 
diff --git a/pom.xml b/pom.xml
index ff873a57204d1870676be1086162c821b0689220..02407b3955d6035cee7aacd5c4bc6a4261185d48 100644
--- a/pom.xml
+++ b/pom.xml
@@ -137,9 +137,6 @@
         <coveralls-maven-plugin.version>4.3.0</coveralls-maven-plugin.version>
         <jacoco-maven-plugin.version>0.8.1</jacoco-maven-plugin.version>
         <maven-checkstyle-plugin.version>3.0.0</maven-checkstyle-plugin.version>
-
-
-
     </properties>
 
     <dependencies>