diff --git a/address/pom.xml b/address/pom.xml
index d0829b650..2dfb65afa 100644
--- a/address/pom.xml
+++ b/address/pom.xml
@@ -29,12 +29,6 @@
     <name>nacos-address ${project.version}</name>
     <url>https://nacos.io</url>
     
-    <properties>
-        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <maven.compiler.source>1.8</maven.compiler.source>
-        <maven.compiler.target>1.8</maven.compiler.target>
-    </properties>
-    
     <dependencies>
         <dependency>
             <groupId>${project.groupId}</groupId>
diff --git a/api/pom.xml b/api/pom.xml
index 6ba00e811..79a33d42b 100644
--- a/api/pom.xml
+++ b/api/pom.xml
@@ -50,22 +50,9 @@
                      </execution>
                  </executions>
              </plugin>-->
-            
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-compiler-plugin</artifactId>
-                <configuration>
-                    <source>8</source>
-                    <target>8</target>
-                </configuration>
-            </plugin>
         </plugins>
     </build>
     
-    <properties>
-        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    </properties>
-    
     <dependencies>
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>
@@ -105,11 +92,6 @@
             <groupId>com.google.protobuf</groupId>
             <artifactId>protobuf-java</artifactId>
         </dependency>
-        <dependency>
-            <groupId>io.grpc</groupId>
-            <artifactId>protoc-gen-grpc-java</artifactId>
-            <type>pom</type>
-        </dependency>
         <dependency>
             <groupId>javax.annotation</groupId>
             <artifactId>javax.annotation-api</artifactId>
diff --git a/auth/pom.xml b/auth/pom.xml
index 65db85924..745aab5dd 100644
--- a/auth/pom.xml
+++ b/auth/pom.xml
@@ -30,10 +30,6 @@
     <packaging>jar</packaging>
     <name>nacos-auth ${project.version}</name>
     <url>https://nacos.io</url>
-    
-    <properties>
-        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    </properties>
 
     <dependencies>
         <dependency>
@@ -60,17 +56,4 @@
             <artifactId>tomcat-embed-core</artifactId>
         </dependency>
     </dependencies>
-    
-    <build>
-        <plugins>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-compiler-plugin</artifactId>
-                <configuration>
-                    <source>8</source>
-                    <target>8</target>
-                </configuration>
-            </plugin>
-        </plugins>
-    </build>
 </project>
diff --git a/client/pom.xml b/client/pom.xml
index 8f7922c9e..36e64e8db 100644
--- a/client/pom.xml
+++ b/client/pom.xml
@@ -31,10 +31,6 @@
     <name>nacos-client ${project.version}</name>
     <url>https://nacos.io</url>
     
-    <properties>
-        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    </properties>
-    
     <dependencies>
         
         <dependency>
@@ -125,159 +121,160 @@
     </dependencies>
     
     <build>
-        <plugins>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-compiler-plugin</artifactId>
-                <configuration>
-                    <source>8</source>
-                    <target>8</target>
-                </configuration>
-            </plugin>
-        </plugins>
+        <pluginManagement>
+            <plugins>
+                <plugin>
+                    <artifactId>maven-shade-plugin</artifactId>
+                    <version>3.2.4</version>
+                    <configuration>
+                        <createDependencyReducedPom>false</createDependencyReducedPom>
+                    </configuration>
+                    <executions>
+                        <execution>
+                            <phase>package</phase>
+                            <goals>
+                                <goal>shade</goal>
+                            </goals>
+                            <configuration>
+                                <keepDependenciesWithProvidedScope>false</keepDependenciesWithProvidedScope>
+                                <promoteTransitiveDependencies>true</promoteTransitiveDependencies>
+                                <createDependencyReducedPom>false</createDependencyReducedPom>
+                                <minimizeJar>true</minimizeJar>
+                                <createSourcesJar>true</createSourcesJar>
+                                <shadeSourcesContent>true</shadeSourcesContent>
+
+                                <filters>
+                                    <filter>
+                                        <artifact>*:*</artifact>
+                                        <excludes>
+                                            <exclude>META-INF/*.SF</exclude>
+                                            <exclude>META-INF/*.DSA</exclude>
+                                            <exclude>META-INF/*.RSA</exclude>
+                                        </excludes>
+                                    </filter>
+                                    <filter>
+                                        <artifact>io.grpc:grpc-netty-shaded</artifact>
+                                        <excludes>
+                                            <exclude>
+                                                META-INF/native/*.*
+                                            </exclude>
+                                        </excludes>
+                                    </filter>
+                                    <filter>
+                                        <artifact>com.google.*:*</artifact>
+                                        <excludes>
+                                            <exclude>
+                                                google/**/*.proto
+                                            </exclude>
+                                        </excludes>
+                                    </filter>
+                                    <filter>
+                                        <artifact>com.alibaba.nacos:nacos-api</artifact>
+                                        <includes>
+                                            <include>
+                                                com/alibaba/nacos/api/**/**
+                                            </include>
+                                            <include>
+                                                META-INF/**/*.*
+                                            </include>
+                                        </includes>
+                                    </filter>
+                                </filters>
+
+                                <artifactSet>
+                                    <includes>
+                                        <include>com.alibaba.nacos:nacos-api</include>
+                                        <include>com.alibaba.nacos:nacos-common</include>
+                                        <include>org.conscrypt:conscrypt-openjdk</include>
+                                        <include>org.mortbay.jetty.alpn:alpn-boot</include>
+                                        <include>org.eclipse.jetty.npn:npn-api</include>
+                                        <include>org.reflections:reflections</include>
+                                        <include>com.google.guava:guava</include>
+                                        <include>io.grpc:*</include>
+                                        <include>io.opencensus:*</include>
+                                        <include>org.javassist:*</include>
+                                        <include>io.perfmark:perfmark-api</include>
+                                        <include>com.google.*:*</include>
+                                        <include>javax.annotation:javax.annotation-api</include>
+                                        <include>org.checkerframework:*</include>
+                                        <include>org.codehaus.mojo:*</include>
+                                    </includes>
+                                </artifactSet>
+
+                                <relocations>
+                                    <relocation>
+                                        <pattern>io.grpc</pattern>
+                                        <shadedPattern>com.alibaba.nacos.shaded.io.grpc</shadedPattern>
+                                        <excludes>
+                                            <exclude>io.grpc.netty.shaded.io.grpc.netty.*</exclude>
+                                        </excludes>
+                                    </relocation>
+                                    <relocation>
+                                        <pattern>io.grpc.netty.shaded.io.grpc.netty</pattern>
+                                        <shadedPattern>com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.grpc.netty
+                                        </shadedPattern>
+                                        <includes>
+                                            <include>io.grpc.netty.shaded.io.grpc.netty.*</include>
+                                        </includes>
+                                    </relocation>
+
+                                    <relocation>
+                                        <pattern>com.google</pattern>
+                                        <shadedPattern>com.alibaba.nacos.shaded.com.google</shadedPattern>
+                                    </relocation>
+
+                                    <relocation>
+                                        <pattern>javax.annotation</pattern>
+                                        <shadedPattern>com.alibaba.nacos.shaded.javax.annotation</shadedPattern>
+                                    </relocation>
+
+                                    <relocation>
+                                        <pattern>io.perfmark</pattern>
+                                        <shadedPattern>com.alibaba.nacos.shaded.io.perfmark</shadedPattern>
+                                    </relocation>
+                                    <relocation>
+                                        <pattern>io.opencensus</pattern>
+                                        <shadedPattern>com.alibaba.nacos.shaded.io.opencensus</shadedPattern>
+                                    </relocation>
+                                    <relocation>
+                                        <pattern>org.codehaus</pattern>
+                                        <shadedPattern>com.alibaba.nacos.shaded.org.codehaus</shadedPattern>
+                                    </relocation>
+                                    <relocation>
+                                        <pattern>org.checkerframework</pattern>
+                                        <shadedPattern>com.alibaba.nacos.shaded.org.checkerframework</shadedPattern>
+                                    </relocation>
+                                    <relocation>
+                                        <pattern>android.annotation</pattern>
+                                        <shadedPattern>com.alibaba.nacos.shaded.android.annotation</shadedPattern>
+                                    </relocation>
+                                    <relocation>
+                                        <pattern>org.example</pattern>
+                                        <shadedPattern>com.alibaba.nacos.shaded.org.example</shadedPattern>
+                                    </relocation>
+                                </relocations>
+
+                                <transformers>
+                                    <transformer
+                                        implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer"/>
+                                    <transformer
+                                        implementation="org.apache.maven.plugins.shade.resource.ServicesResourceTransformer"/>
+                                </transformers>
+                            </configuration>
+                        </execution>
+                    </executions>
+                </plugin>
+            </plugins>
+        </pluginManagement>
     </build>
-    
+
     <profiles>
         <profile>
             <id>release-sign-artifacts</id>
             <build>
                 <plugins>
                     <plugin>
-                        <groupId>org.apache.maven.plugins</groupId>
                         <artifactId>maven-shade-plugin</artifactId>
-                        <version>3.2.4</version>
-                        <configuration>
-                            <createDependencyReducedPom>false</createDependencyReducedPom>
-                        </configuration>
-                        <executions>
-                            <execution>
-                                <phase>package</phase>
-                                <goals>
-                                    <goal>shade</goal>
-                                </goals>
-                                <configuration>
-                                    <keepDependenciesWithProvidedScope>false</keepDependenciesWithProvidedScope>
-                                    <promoteTransitiveDependencies>true</promoteTransitiveDependencies>
-                                    <createDependencyReducedPom>false</createDependencyReducedPom>
-                                    <minimizeJar>true</minimizeJar>
-                                    <filters>
-                                        <filter>
-                                            <artifact>*:*</artifact>
-                                            <excludes>
-                                                <exclude>META-INF/*.SF</exclude>
-                                                <exclude>META-INF/*.DSA</exclude>
-                                                <exclude>META-INF/*.RSA</exclude>
-                                            </excludes>
-                                        </filter>
-                                        <filter>
-                                            <artifact>io.grpc:grpc-netty-shaded</artifact>
-                                            <excludes>
-                                                <exclude>
-                                                    META-INF/native/*.*
-                                                </exclude>
-                                            </excludes>
-                                        </filter>
-                                        <filter>
-                                            <artifact>com.alibaba.nacos:nacos-api</artifact>
-                                            <includes>
-                                                <include>
-                                                    com/alibaba/nacos/api/**/**
-                                                </include>
-                                                <include>
-                                                    META-INF/**/*.*
-                                                </include>
-                                            </includes>
-                                        </filter>
-                    
-                                    </filters>
-                                    <createSourcesJar>true</createSourcesJar>
-                                    <shadeSourcesContent>true</shadeSourcesContent>
-                    
-                                    <artifactSet>
-                                        <includes>
-                                            <include>com.alibaba.nacos:nacos-api</include>
-                                            <include>com.alibaba.nacos:nacos-common</include>
-                                            <include>org.conscrypt:conscrypt-openjdk</include>
-                                            <include>org.mortbay.jetty.alpn:alpn-boot</include>
-                                            <include>org.eclipse.jetty.npn:npn-api</include>
-                                            <include>org.reflections:reflections</include>
-                                            <include>com.google.guava:guava</include>
-                                            <include>io.grpc:*</include>
-                                            <include>io.opencensus:*</include>
-                                            <include>org.javassist:*</include>
-                                            <include>io.perfmark:perfmark-api</include>
-                                            <include>com.google.*:*</include>
-                                            <include>javax.annotation:javax.annotation-api</include>
-                                            <include>org.checkerframework:*</include>
-                                            <include>org.codehaus.mojo:*</include>
-                                        </includes>
-                    
-                                    </artifactSet>
-                    
-                                    <relocations>
-                        
-                                        <relocation>
-                                            <pattern>io.grpc</pattern>
-                                            <shadedPattern>com.alibaba.nacos.shaded.io.grpc</shadedPattern>
-                                            <excludes>
-                                                <exclude>io.grpc.netty.shaded.io.grpc.netty.*</exclude>
-                                            </excludes>
-                                        </relocation>
-                                        <relocation>
-                                            <pattern>io.grpc.netty.shaded.io.grpc.netty</pattern>
-                                            <shadedPattern>com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.grpc.netty
-                                            </shadedPattern>
-                                            <includes>
-                                                <include>io.grpc.netty.shaded.io.grpc.netty.*</include>
-                                            </includes>
-                                        </relocation>
-                        
-                                        <relocation>
-                                            <pattern>com.google</pattern>
-                                            <shadedPattern>com.alibaba.nacos.shaded.com.google</shadedPattern>
-                                        </relocation>
-                        
-                                        <relocation>
-                                            <pattern>javax.annotation</pattern>
-                                            <shadedPattern>com.alibaba.nacos.shaded.javax.annotation</shadedPattern>
-                                        </relocation>
-                        
-                                        <relocation>
-                                            <pattern>io.perfmark</pattern>
-                                            <shadedPattern>com.alibaba.nacos.shaded.io.perfmark</shadedPattern>
-                                        </relocation>
-                                        <relocation>
-                                            <pattern>io.opencensus</pattern>
-                                            <shadedPattern>com.alibaba.nacos.shaded.io.opencensus</shadedPattern>
-                                        </relocation>
-                                        <relocation>
-                                            <pattern>org.codehaus</pattern>
-                                            <shadedPattern>com.alibaba.nacos.shaded.org.codehaus</shadedPattern>
-                                        </relocation>
-                                        <relocation>
-                                            <pattern>org.checkerframework</pattern>
-                                            <shadedPattern>com.alibaba.nacos.shaded.org.checkerframework</shadedPattern>
-                                        </relocation>
-                                        <relocation>
-                                            <pattern>android.annotation</pattern>
-                                            <shadedPattern>com.alibaba.nacos.shaded.android.annotation</shadedPattern>
-                                        </relocation>
-                                        <relocation>
-                                            <pattern>org.example</pattern>
-                                            <shadedPattern>com.alibaba.nacos.shaded.org.example</shadedPattern>
-                                        </relocation>
-                    
-                                    </relocations>
-                                    <transformers>
-                                        <transformer
-                                            implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer"/>
-                                        <transformer
-                                            implementation="org.apache.maven.plugins.shade.resource.ServicesResourceTransformer"/>
-                    
-                                    </transformers>
-                                </configuration>
-                            </execution>
-                        </executions>
                     </plugin>
                     <plugin>
                         <artifactId>maven-jar-plugin</artifactId>
@@ -302,141 +299,7 @@
             <build>
                 <plugins>
                     <plugin>
-                        <groupId>org.apache.maven.plugins</groupId>
                         <artifactId>maven-shade-plugin</artifactId>
-                        <version>3.2.4</version>
-                        <configuration>
-                            <createDependencyReducedPom>false</createDependencyReducedPom>
-                        </configuration>
-                        <executions>
-                            <execution>
-                                <phase>package</phase>
-                                <goals>
-                                    <goal>shade</goal>
-                                </goals>
-                                <configuration>
-                                    <keepDependenciesWithProvidedScope>false</keepDependenciesWithProvidedScope>
-                                    <promoteTransitiveDependencies>true</promoteTransitiveDependencies>
-                                    <createDependencyReducedPom>false</createDependencyReducedPom>
-                                    <minimizeJar>true</minimizeJar>
-                                    <filters>
-                                        <filter>
-                                            <artifact>*:*</artifact>
-                                            <excludes>
-                                                <exclude>META-INF/*.SF</exclude>
-                                                <exclude>META-INF/*.DSA</exclude>
-                                                <exclude>META-INF/*.RSA</exclude>
-                                            </excludes>
-                                        </filter>
-                                        <filter>
-                                            <artifact>io.grpc:grpc-netty-shaded</artifact>
-                                            <excludes>
-                                                <exclude>
-                                                    META-INF/native/*.*
-                                                </exclude>
-                                            </excludes>
-                                        </filter>
-                                        <filter>
-                                            <artifact>com.alibaba.nacos:nacos-api</artifact>
-                                            <includes>
-                                                <include>
-                                                    com/alibaba/nacos/api/**/**
-                                                </include>
-                                                <include>
-                                                    META-INF/**/*.*
-                                                </include>
-                                            </includes>
-                                        </filter>
-                                       
-                                    </filters>
-                                    <createSourcesJar>true</createSourcesJar>
-                                    <shadeSourcesContent>true</shadeSourcesContent>
-                                  
-                                    <artifactSet>
-                                        <includes>
-                                            <include>com.alibaba.nacos:nacos-api</include>
-                                            <include>com.alibaba.nacos:nacos-common</include>
-                                            <include>org.conscrypt:conscrypt-openjdk</include>
-                                            <include>org.mortbay.jetty.alpn:alpn-boot</include>
-                                            <include>org.eclipse.jetty.npn:npn-api</include>
-                                            <include>org.reflections:reflections</include>
-                                            <include>com.google.guava:guava</include>
-                                            <include>io.grpc:*</include>
-                                            <include>io.opencensus:*</include>
-                                            <include>org.javassist:*</include>
-                                            <include>io.perfmark:perfmark-api</include>
-                                            <include>com.google.*:*</include>
-                                            <include>javax.annotation:javax.annotation-api</include>
-                                            <include>org.checkerframework:*</include>
-                                            <include>org.codehaus.mojo:*</include>
-                                        </includes>
-                                        
-                                    </artifactSet>
-    
-                                    <relocations>
-        
-                                        <relocation>
-                                            <pattern>io.grpc</pattern>
-                                            <shadedPattern>com.alibaba.nacos.shaded.io.grpc</shadedPattern>
-                                            <excludes>
-                                                <exclude>io.grpc.netty.shaded.io.grpc.netty.*</exclude>
-                                            </excludes>
-                                        </relocation>
-                                        <relocation>
-                                            <pattern>io.grpc.netty.shaded.io.grpc.netty</pattern>
-                                            <shadedPattern>com.alibaba.nacos.shaded.io.grpc.netty.shaded.io.grpc.netty
-                                            </shadedPattern>
-                                            <includes>
-                                                <include>io.grpc.netty.shaded.io.grpc.netty.*</include>
-                                            </includes>
-                                        </relocation>
-    
-                                        <relocation>
-                                            <pattern>com.google</pattern>
-                                            <shadedPattern>com.alibaba.nacos.shaded.com.google</shadedPattern>
-                                        </relocation>
-    
-                                        <relocation>
-                                            <pattern>javax.annotation</pattern>
-                                            <shadedPattern>com.alibaba.nacos.shaded.javax.annotation</shadedPattern>
-                                        </relocation>
-    
-                                        <relocation>
-                                            <pattern>io.perfmark</pattern>
-                                            <shadedPattern>com.alibaba.nacos.shaded.io.perfmark</shadedPattern>
-                                        </relocation>
-                                        <relocation>
-                                            <pattern>io.opencensus</pattern>
-                                            <shadedPattern>com.alibaba.nacos.shaded.io.opencensus</shadedPattern>
-                                        </relocation>
-                                        <relocation>
-                                            <pattern>org.codehaus</pattern>
-                                            <shadedPattern>com.alibaba.nacos.shaded.org.codehaus</shadedPattern>
-                                        </relocation>
-                                        <relocation>
-                                            <pattern>org.checkerframework</pattern>
-                                            <shadedPattern>com.alibaba.nacos.shaded.org.checkerframework</shadedPattern>
-                                        </relocation>
-                                        <relocation>
-                                            <pattern>android.annotation</pattern>
-                                            <shadedPattern>com.alibaba.nacos.shaded.android.annotation</shadedPattern>
-                                        </relocation>
-                                        <relocation>
-                                            <pattern>org.example</pattern>
-                                            <shadedPattern>com.alibaba.nacos.shaded.org.example</shadedPattern>
-                                        </relocation>
-    
-                                    </relocations>
-                                    <transformers>
-                                        <transformer
-                                            implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer"/>
-                                        <transformer
-                                            implementation="org.apache.maven.plugins.shade.resource.ServicesResourceTransformer"/>
-    
-                                    </transformers>
-                                </configuration>
-                            </execution>
-                        </executions>
                     </plugin>
                     <plugin>
                         <artifactId>maven-jar-plugin</artifactId>
diff --git a/cmdb/pom.xml b/cmdb/pom.xml
index 421bbe204..4aa45d2b0 100644
--- a/cmdb/pom.xml
+++ b/cmdb/pom.xml
@@ -32,12 +32,6 @@
     <name>nacos-cmdb ${project.version}</name>
     <url>https://nacos.io</url>
     
-    <properties>
-        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <maven.compiler.source>1.7</maven.compiler.source>
-        <maven.compiler.target>1.7</maven.compiler.target>
-    </properties>
-    
     <dependencies>
         <dependency>
             <groupId>${project.groupId}</groupId>
diff --git a/common/pom.xml b/common/pom.xml
index cc7501011..f7d085708 100644
--- a/common/pom.xml
+++ b/common/pom.xml
@@ -32,10 +32,6 @@
     <name>nacos-common ${project.version}</name>
     <url>https://nacos.io</url>
     
-    <properties>
-        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    </properties>
-    
     <dependencies>
         <dependency>
             <groupId>org.slf4j</groupId>
@@ -68,16 +64,6 @@
     
     </dependencies>
     <build>
-        <plugins>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-compiler-plugin</artifactId>
-                <configuration>
-                    <source>8</source>
-                    <target>8</target>
-                </configuration>
-            </plugin>
-        </plugins>
         <resources>
             <resource>
                 <directory>src/main/resources</directory>
diff --git a/config/pom.xml b/config/pom.xml
index 345d191ce..dc4f8611d 100644
--- a/config/pom.xml
+++ b/config/pom.xml
@@ -31,10 +31,6 @@
     <name>nacos-config ${project.version}</name>
     <url>https://nacos.io</url>
     
-    <properties>
-        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    </properties>
-    
     <dependencies>
         <dependency>
             <groupId>org.springframework.boot</groupId>
diff --git a/consistency/pom.xml b/consistency/pom.xml
index edd3c5bc6..e505a6357 100644
--- a/consistency/pom.xml
+++ b/consistency/pom.xml
@@ -50,14 +50,6 @@
                     </execution>
                 </executions>
             </plugin>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-compiler-plugin</artifactId>
-                <configuration>
-                    <source>8</source>
-                    <target>8</target>
-                </configuration>
-            </plugin>
         </plugins>
     </build>
     
@@ -90,10 +82,6 @@
         <version>${revision}</version>
     </parent>
     
-    <properties>
-        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    </properties>
-    
     <url>https://nacos.io</url>
 
 </project>
diff --git a/console/pom.xml b/console/pom.xml
index 4c7b4295d..619a8aefb 100644
--- a/console/pom.xml
+++ b/console/pom.xml
@@ -27,9 +27,6 @@
     <packaging>jar</packaging>
     <name>nacos-console ${project.version}</name>
     <url>https://nacos.io</url>
-    <properties>
-        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    </properties>
     
     <dependencies>
         <dependency>
diff --git a/core/pom.xml b/core/pom.xml
index cf4cff814..04b98fd10 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -32,22 +32,6 @@
 
     <name>nacos-core ${project.version}</name>
     <url>https://nacos.io</url>
-    <build>
-        <plugins>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-compiler-plugin</artifactId>
-                <configuration>
-                    <source>8</source>
-                    <target>8</target>
-                </configuration>
-            </plugin>
-        </plugins>
-    </build>
-
-    <properties>
-        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    </properties>
 
     <dependencies>
         <dependency>
@@ -160,12 +144,6 @@
         </dependency>
         <!--   micrometer end    -->
         
-        <dependency>
-            <groupId>io.grpc</groupId>
-            <artifactId>protoc-gen-grpc-java</artifactId>
-            <type>pom</type>
-        </dependency>
-    
         <dependency>
             <groupId>io.grpc</groupId>
             <artifactId>grpc-testing</artifactId>
diff --git a/example/pom.xml b/example/pom.xml
index e16848869..84f8c08c8 100644
--- a/example/pom.xml
+++ b/example/pom.xml
@@ -33,10 +33,6 @@
     <name>nacos-example ${project.version}</name>
     <url>https://nacos.io</url>
 
-    <properties>
-        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    </properties>
-
     <dependencies>
         <dependency>
             <groupId>${project.groupId}</groupId>
diff --git a/istio/pom.xml b/istio/pom.xml
index 462686ea6..a98e7e566 100644
--- a/istio/pom.xml
+++ b/istio/pom.xml
@@ -71,12 +71,6 @@
             <groupId>com.google.protobuf</groupId>
             <artifactId>protobuf-java</artifactId>
         </dependency>
-        <dependency>
-            <groupId>io.grpc</groupId>
-            <artifactId>protoc-gen-grpc-java</artifactId>
-            <type>pom</type>
-        </dependency>
-        <!-- https://mvnrepository.com/artifact/io.envoyproxy.controlplane/api -->
         <dependency>
             <groupId>io.envoyproxy.controlplane</groupId>
             <artifactId>api</artifactId>
diff --git a/naming/pom.xml b/naming/pom.xml
index 0d25a17a3..ba5f6fe3c 100644
--- a/naming/pom.xml
+++ b/naming/pom.xml
@@ -33,12 +33,6 @@
     <name>nacos-naming ${project.version}</name>
     <url>https://nacos.io</url>
     
-    <properties>
-        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <maven.compiler.source>1.8</maven.compiler.source>
-        <maven.compiler.target>1.8</maven.compiler.target>
-    </properties>
-    
     <dependencies>
         <dependency>
             <groupId>${project.groupId}</groupId>
diff --git a/pom.xml b/pom.xml
index 75647af90..738f4d5f8 100644
--- a/pom.xml
+++ b/pom.xml
@@ -92,8 +92,9 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
         <!-- Compiler settings properties -->
-        <maven.compiler.source>1.8</maven.compiler.source>
-        <maven.compiler.target>1.8</maven.compiler.target>
+        <java.version>1.8</java.version>
+        <maven.compiler.source>${java.version}</maven.compiler.source>
+        <maven.compiler.target>${java.version}</maven.compiler.target>
         <!-- Maven properties -->
         <maven.test.skip>false</maven.test.skip>
         <maven.javadoc.skip>true</maven.javadoc.skip>
@@ -107,6 +108,7 @@
         <maven-enforcer-plugin.version>1.4.1</maven-enforcer-plugin.version>
         <maven-compiler-plugin.version>3.5.1</maven-compiler-plugin.version>
         <maven-javadoc-plugin.version>2.10.4</maven-javadoc-plugin.version>
+        <maven-jar-plugin.version>3.2.2</maven-jar-plugin.version>
         <maven-source-plugin.version>3.0.1</maven-source-plugin.version>
         <maven-pmd-plugin.version>3.8</maven-pmd-plugin.version>
         <apache-rat-plugin.version>0.12</apache-rat-plugin.version>
@@ -161,6 +163,10 @@
     <build>
         <pluginManagement>
             <plugins>
+                <plugin>
+                    <artifactId>maven-jar-plugin</artifactId>
+                    <version>${maven-jar-plugin.version}</version>
+                </plugin>
                 <plugin>
                     <groupId>org.springframework.boot</groupId>
                     <artifactId>spring-boot-maven-plugin</artifactId>
@@ -956,12 +962,6 @@
                 <artifactId>grpc-stub</artifactId>
                 <version>${grpc-java.version}</version>
             </dependency>
-            <dependency>
-                <groupId>io.grpc</groupId>
-                <artifactId>protoc-gen-grpc-java</artifactId>
-                <version>${grpc-java.version}</version>
-                <type>pom</type>
-            </dependency>
             <dependency>
                 <groupId>io.grpc</groupId>
                 <artifactId>grpc-testing</artifactId>
diff --git a/sys/pom.xml b/sys/pom.xml
index b922936c5..ed5967f57 100644
--- a/sys/pom.xml
+++ b/sys/pom.xml
@@ -31,10 +31,6 @@
     <name>nacos-sys ${project.version}</name>
     <url>https://nacos.io</url>
     
-    <properties>
-        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    </properties>
-    
     <dependencies>
         <dependency>
             <groupId>${project.groupId}</groupId>
@@ -76,17 +72,4 @@
             <artifactId>nacos-custom-environment-plugin</artifactId>
         </dependency>
     </dependencies>
-    
-    <build>
-        <plugins>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-compiler-plugin</artifactId>
-                <configuration>
-                    <source>8</source>
-                    <target>8</target>
-                </configuration>
-            </plugin>
-        </plugins>
-    </build>
 </project>
diff --git a/test/pom.xml b/test/pom.xml
index 0b40817e3..164d75afd 100644
--- a/test/pom.xml
+++ b/test/pom.xml
@@ -36,10 +36,6 @@
         <module>core-test</module>
     </modules>
     
-    <properties>
-        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    </properties>
-
     <dependencies>
 
         <dependency>