diff --git a/api/pom.xml b/api/pom.xml
index 28f6ff2b5..e4ae34193 100644
--- a/api/pom.xml
+++ b/api/pom.xml
@@ -12,30 +12,31 @@
   limitations under the License.
  -->
 <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.nacos</groupId>
-		<artifactId>nacos-all</artifactId>
-		<version>0.2.2-SNAPSHOT</version>
-	</parent>
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <groupId>com.alibaba.nacos</groupId>
+        <artifactId>nacos-all</artifactId>
+        <version>0.2.2-SNAPSHOT</version>
+        <relativePath>../pom.xml</relativePath>
+    </parent>
 
-	<modelVersion>4.0.0</modelVersion>
+    <modelVersion>4.0.0</modelVersion>
 
-	<artifactId>nacos-api</artifactId>
-	<packaging>jar</packaging>
+    <artifactId>nacos-api</artifactId>
+    <packaging>jar</packaging>
 
-	<name>nacos-api ${project.version}</name>
-	<url>http://maven.apache.org</url>
+    <name>nacos-api ${project.version}</name>
+    <url>http://maven.apache.org</url>
 
-	<properties>
-		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-	</properties>
+    <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
 
-	<dependencies>
-		<dependency>
-			<groupId>com.alibaba</groupId>
-			<artifactId>fastjson</artifactId>
-		</dependency>
-	</dependencies> 
+    <dependencies>
+        <dependency>
+            <groupId>com.alibaba</groupId>
+            <artifactId>fastjson</artifactId>
+        </dependency>
+    </dependencies>
 
 </project>
diff --git a/client/pom.xml b/client/pom.xml
index 9c9f368c0..82832aa72 100644
--- a/client/pom.xml
+++ b/client/pom.xml
@@ -12,113 +12,127 @@
   limitations under the License.
  -->
 <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.nacos</groupId>
-		<artifactId>nacos-all</artifactId>
-		<version>0.2.2-SNAPSHOT</version>
-	</parent>
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <groupId>com.alibaba.nacos</groupId>
+        <artifactId>nacos-all</artifactId>
+        <version>0.2.2-SNAPSHOT</version>
+        <relativePath>../pom.xml</relativePath>
+    </parent>
 
-	<modelVersion>4.0.0</modelVersion>
+    <modelVersion>4.0.0</modelVersion>
 
-	<artifactId>nacos-client</artifactId>
-	<packaging>jar</packaging>
+    <artifactId>nacos-client</artifactId>
+    <packaging>jar</packaging>
 
-	<name>nacos-client ${project.version}</name>
-	<url>http://maven.apache.org</url>
+    <name>nacos-client ${project.version}</name>
+    <url>http://maven.apache.org</url>
 
-	<properties>
-		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-	</properties>
+    <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
 
-	<dependencies>
-	    <dependency>
-			<groupId>org.slf4j</groupId>
-			<artifactId>slf4j-api</artifactId>
-			<scope>provided</scope>
-		</dependency>
-		<dependency>
-			<groupId>log4j</groupId>
-			<artifactId>log4j</artifactId>
-			<scope>provided</scope>
-		</dependency>
-		<dependency>
-			<groupId>org.apache.logging.log4j</groupId>
-			<artifactId>log4j-core</artifactId>
-			<version>2.8.2</version>
-			<scope>provided</scope>
-		</dependency>
-		<dependency>
-			<groupId>commons-logging</groupId>
-			<artifactId>commons-logging</artifactId>
-			<scope>provided</scope>
-		</dependency>
-		<dependency>
-			<groupId>org.slf4j</groupId>
-			<artifactId>slf4j-log4j12</artifactId>
-			<scope>provided</scope>
-		</dependency>
-		<dependency>
-			<groupId>org.apache.logging.log4j</groupId>
-			<artifactId>log4j-slf4j-impl</artifactId>
-			<scope>provided</scope>
-		</dependency>
-		<dependency>
-			<groupId>org.slf4j</groupId>
-			<artifactId>jcl-over-slf4j</artifactId>
-			<scope>provided</scope>
-		</dependency>
-		<dependency>
-			<groupId>junit</groupId>
-			<artifactId>junit</artifactId>
-			<scope>test</scope>
-		</dependency>
-		<dependency>
-			<groupId>${project.groupId}</groupId>
-			<artifactId>nacos-common</artifactId>
-		</dependency>
-		<dependency>
-			<groupId>${project.groupId}</groupId>
-			<artifactId>nacos-api</artifactId>
-		</dependency>
-		<dependency>
-			<groupId>com.alibaba</groupId>
-			<artifactId>fastjson</artifactId>
-		</dependency>
+    <dependencies>
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>slf4j-api</artifactId>
+            <optional>true</optional>
+        </dependency>
 
-		<dependency>
-			<groupId>ch.qos.logback</groupId>
-			<artifactId>logback-classic</artifactId>
-		</dependency>
-		<dependency>
-			<groupId>ch.qos.logback</groupId>
-			<artifactId>logback-core</artifactId>
-		</dependency>
+        <dependency>
+            <groupId>log4j</groupId>
+            <artifactId>log4j</artifactId>
+            <optional>true</optional>
+        </dependency>
 
-		<dependency>
-			<groupId>com.google.guava</groupId>
-			<artifactId>guava</artifactId>
-		</dependency>
+        <dependency>
+            <groupId>org.apache.logging.log4j</groupId>
+            <artifactId>log4j-core</artifactId>
+            <version>2.8.2</version>
+            <optional>true</optional>
+        </dependency>
 
-		<dependency>
-			<artifactId>commons-codec</artifactId>
-			<groupId>commons-codec</groupId>
-		</dependency>
+        <dependency>
+            <groupId>commons-logging</groupId>
+            <artifactId>commons-logging</artifactId>
+            <optional>true</optional>
+        </dependency>
 
-		<dependency>
-			<groupId>org.codehaus.jackson</groupId>
-			<artifactId>jackson-mapper-lgpl</artifactId>
-		</dependency>
-		<dependency>
-			<groupId>net.jcip</groupId>
-			<artifactId>jcip-annotations</artifactId>
-			<optional>true</optional>
-		</dependency>
-		<dependency>
-			<groupId>com.github.spotbugs</groupId>
-			<artifactId>spotbugs-annotations</artifactId>
-			<optional>true</optional>
-		</dependency>
-	</dependencies>
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>slf4j-log4j12</artifactId>
+            <optional>true</optional>
+        </dependency>
+
+        <dependency>
+            <groupId>org.apache.logging.log4j</groupId>
+            <artifactId>log4j-slf4j-impl</artifactId>
+            <optional>true</optional>
+        </dependency>
+
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>jcl-over-slf4j</artifactId>
+            <optional>true</optional>
+        </dependency>
+
+        <dependency>
+            <groupId>${project.groupId}</groupId>
+            <artifactId>nacos-common</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>${project.groupId}</groupId>
+            <artifactId>nacos-api</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>com.alibaba</groupId>
+            <artifactId>fastjson</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>ch.qos.logback</groupId>
+            <artifactId>logback-classic</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>ch.qos.logback</groupId>
+            <artifactId>logback-core</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>com.google.guava</groupId>
+            <artifactId>guava</artifactId>
+        </dependency>
+
+        <dependency>
+            <artifactId>commons-codec</artifactId>
+            <groupId>commons-codec</groupId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.codehaus.jackson</groupId>
+            <artifactId>jackson-mapper-lgpl</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>net.jcip</groupId>
+            <artifactId>jcip-annotations</artifactId>
+            <optional>true</optional>
+        </dependency>
+
+        <dependency>
+            <groupId>com.github.spotbugs</groupId>
+            <artifactId>spotbugs-annotations</artifactId>
+            <optional>true</optional>
+        </dependency>
+
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <scope>test</scope>
+        </dependency>
+
+    </dependencies>
 
 </project>
diff --git a/common/pom.xml b/common/pom.xml
index 2a89ef3d5..4eef4feba 100644
--- a/common/pom.xml
+++ b/common/pom.xml
@@ -12,40 +12,45 @@
   limitations under the License.
  -->
 <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">
+         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.nacos</groupId>
-		<artifactId>nacos-all</artifactId>
-		<version>0.2.2-SNAPSHOT</version>
-	</parent>
-	<modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>com.alibaba.nacos</groupId>
+        <artifactId>nacos-all</artifactId>
+        <version>0.2.2-SNAPSHOT</version>
+        <relativePath>../pom.xml</relativePath>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
 
-	<artifactId>nacos-common</artifactId>
-	<packaging>jar</packaging>
+    <artifactId>nacos-common</artifactId>
+    <packaging>jar</packaging>
 
-	<name>nacos-common ${project.version}</name>
-	<url>http://maven.apache.org</url>
+    <name>nacos-common ${project.version}</name>
+    <url>http://maven.apache.org</url>
 
-	<properties>
-		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-	</properties>
+    <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
 
-	<dependencies>
-		<dependency>
-			<groupId>commons-io</groupId>
-			<artifactId>commons-io</artifactId>
-		</dependency>
-		<dependency>
-			<groupId>junit</groupId>
-			<artifactId>junit</artifactId>
-			<scope>test</scope>
-		</dependency>
+    <dependencies>
 
-		<dependency>
-			<groupId>org.apache.commons</groupId>
-			<artifactId>commons-lang3</artifactId>
-		</dependency>
-	</dependencies>
+        <dependency>
+            <groupId>commons-io</groupId>
+            <artifactId>commons-io</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-lang3</artifactId>
+        </dependency>
+
+        <!-- Test -->
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <scope>test</scope>
+        </dependency>
+
+    </dependencies>
 </project>
diff --git a/config/pom.xml b/config/pom.xml
index a7f0b7a6f..495b0c361 100644
--- a/config/pom.xml
+++ b/config/pom.xml
@@ -18,6 +18,7 @@
         <groupId>com.alibaba.nacos</groupId>
         <artifactId>nacos-all</artifactId>
         <version>0.2.2-SNAPSHOT</version>
+        <relativePath>../pom.xml</relativePath>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
@@ -34,13 +35,6 @@
 
     <dependencies>
 
-        <!-- Spring Context Extras -->
-        <dependency>
-            <groupId>com.alibaba.spring</groupId>
-            <artifactId>spring-context-support</artifactId>
-            <version>1.0.1</version>
-        </dependency>
-
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-web</artifactId>
diff --git a/console/pom.xml b/console/pom.xml
index dceefbcf4..4c367b782 100644
--- a/console/pom.xml
+++ b/console/pom.xml
@@ -19,6 +19,7 @@
 		<groupId>com.alibaba.nacos</groupId>
 		<artifactId>nacos-all</artifactId>
 		<version>0.2.2-SNAPSHOT</version>
+		<relativePath>../pom.xml</relativePath>
 	</parent>
 	<artifactId>nacos-console</artifactId>
 	<!--<packaging>war</packaging>-->
diff --git a/core/pom.xml b/core/pom.xml
index 25ae61ec9..cbaaba35b 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -19,6 +19,7 @@
 		<groupId>com.alibaba.nacos</groupId>
 		<artifactId>nacos-all</artifactId>
 		<version>0.2.2-SNAPSHOT</version>
+		<relativePath>../pom.xml</relativePath>
 	</parent>
 
 	<modelVersion>4.0.0</modelVersion>
diff --git a/distribution/pom.xml b/distribution/pom.xml
index 7d42c622d..cc86139c3 100644
--- a/distribution/pom.xml
+++ b/distribution/pom.xml
@@ -19,6 +19,7 @@
 		<groupId>com.alibaba.nacos</groupId>
 		<artifactId>nacos-all</artifactId>
 		<version>0.2.2-SNAPSHOT</version>
+		<relativePath>../pom.xml</relativePath>
 	</parent>
 
 	<modelVersion>4.0.0</modelVersion>
diff --git a/example/pom.xml b/example/pom.xml
index 84e6b2971..42295d5c6 100644
--- a/example/pom.xml
+++ b/example/pom.xml
@@ -19,6 +19,7 @@
 		<groupId>com.alibaba.nacos</groupId>
 		<artifactId>nacos-all</artifactId>
 		<version>0.2.2-SNAPSHOT</version>
+		<relativePath>../pom.xml</relativePath>
 	</parent>
 
 	<modelVersion>4.0.0</modelVersion>
diff --git a/naming/pom.xml b/naming/pom.xml
index fb763c2d6..ca1e6771f 100644
--- a/naming/pom.xml
+++ b/naming/pom.xml
@@ -19,6 +19,7 @@
         <groupId>com.alibaba.nacos</groupId>
         <artifactId>nacos-all</artifactId>
         <version>0.2.2-SNAPSHOT</version>
+        <relativePath>../pom.xml</relativePath>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
diff --git a/test/pom.xml b/test/pom.xml
index 9e255cfce..ec33a71e9 100644
--- a/test/pom.xml
+++ b/test/pom.xml
@@ -18,6 +18,7 @@
 		<groupId>com.alibaba.nacos</groupId>
 		<artifactId>nacos-all</artifactId>
 		<version>0.2.2-SNAPSHOT</version>
+		<relativePath>../pom.xml</relativePath>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>