diff --git a/pom.xml b/pom.xml
index 2b271215cfba56a4e9765390d565c45dbc014ef3..234ffbf8a8632c050666df459906afb5b2245f62 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,86 +6,96 @@
   <packaging>war</packaging>
   <name>springmvc-maven</name>
   <description>simple demo about how to use maven combine spring mvc</description>
+  
+  <properties>
+    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    <spring.version>3.1.2.RELEASE</spring.version>
+    <maven.compiler.source>21</maven.compiler.source>
+    <maven.compiler.target>21</maven.compiler.target>
+    <maven.compiler.plugin.version>3.11.0</maven.compiler.plugin.version>
+    <maven.war.plugin.version>3.3.2</maven.war.plugin.version>
+  </properties>
+  
   <build>
-  <!-- 使用默认的文件路径 -->
-   <!-- 生成的war文件名 避免添加版本号 -->
+    <!-- 使用默认的文件路径 -->
+    <!-- 生成的war文件名 避免添加版本号 -->
     <finalName>easy-springmvc-maven</finalName>
     <plugins>
       <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-compiler-plugin</artifactId>
-        <version>3.1</version>
+        <version>${maven.compiler.plugin.version}</version>
         <configuration>
-          <source>1.6</source>
-          <target>1.6</target>
+          <source>${maven.compiler.source}</source>
+          <target>${maven.compiler.target}</target>
+          <encoding>${project.build.sourceEncoding}</encoding>
+        </configuration>
+      </plugin>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-war-plugin</artifactId>
+        <version>${maven.war.plugin.version}</version>
+        <configuration>
+          <!-- maven的web项目默认的webroot是在src\main\webapp。如果在此目录下找不到web.xml就抛出webxml attribute is required的异常 -->
+          <!-- 需要在pom.xml中增加<webXml>配置 -->
+          <!-- <webXml>WebContent\WEB-INF\web.xml</webXml> -->
         </configuration>
       </plugin>
-      <plugin> 
-      <artifactId>maven-war-plugin</artifactId> 
-        <configuration> 
-        <version>3.0 </version> 
-        <!-- maven的web项目默认的webroot是在src\main\webapp。如果在此目录下找不到web.xml就抛出webxml attribute is required的异常 -->
-        <!-- 需要在pom.xml中增加<webXml>配置 -->
-        <!-- <webXml>WebContent\WEB-INF\web.xml</webXml> -->
-        </configuration> 
-       </plugin>
     </plugins>
   </build>
+  
   <dependencies>
-  	<dependency>
-  		<groupId>junit</groupId>
-  		<artifactId>junit</artifactId>
-  		<version>4.12</version>
-  		<scope>test</scope>
-  	</dependency>
+    <dependency>
+      <groupId>junit</groupId>
+      <artifactId>junit</artifactId>
+      <version>4.12</version>
+      <scope>test</scope>
+    </dependency>
     
     <!-- spring mvc dependencies start -->
-	<dependency>
-		<groupId>org.springframework</groupId>
-		<artifactId>spring-webmvc</artifactId>
-		<version>${spring.version}</version>
-	</dependency>
-	<dependency>
-		<groupId>org.springframework</groupId>
-		<artifactId>spring-jdbc</artifactId>
-		<version>${spring.version}</version>
-	</dependency>
-	<dependency>
-		<groupId>org.springframework</groupId>
-		<artifactId>spring-context</artifactId>
-		<version>${spring.version}</version>
-	</dependency>
-	<dependency>
-		<groupId>org.springframework</groupId>
-		<artifactId>spring-aop</artifactId>
-		<version>${spring.version}</version>
-	</dependency>
-	<dependency>
-		<groupId>org.springframework</groupId>
-		<artifactId>spring-core</artifactId>
-		<version>${spring.version}</version>
-	</dependency>
-	<dependency>
-		<groupId>org.springframework</groupId>
-		<artifactId>spring-test</artifactId>
-		<version>${spring.version}</version>
-	</dependency>
-	<!-- spring mvc dependencies end -->
-	<!-- 解决页面访问时发生错误: java.lang.NoClassDefFoundError: javax/servlet/jsp/jstl/core/Config - start -->
-	<dependency>
-		<groupId>jstl</groupId>
-		<artifactId>jstl</artifactId>
-		<version>1.2</version>
-	</dependency>
-	<dependency>
-		<groupId>taglibs</groupId>
-		<artifactId>standard</artifactId>
-		<version>1.1.2</version>
-	</dependency>
-	<!-- end -->
+    <dependency>
+      <groupId>org.springframework</groupId>
+      <artifactId>spring-webmvc</artifactId>
+      <version>${spring.version}</version>
+    </dependency>
+    <dependency>
+      <groupId>org.springframework</groupId>
+      <artifactId>spring-jdbc</artifactId>
+      <version>${spring.version}</version>
+    </dependency>
+    <dependency>
+      <groupId>org.springframework</groupId>
+      <artifactId>spring-context</artifactId>
+      <version>${spring.version}</version>
+    </dependency>
+    <dependency>
+      <groupId>org.springframework</groupId>
+      <artifactId>spring-aop</artifactId>
+      <version>${spring.version}</version>
+    </dependency>
+    <dependency>
+      <groupId>org.springframework</groupId>
+      <artifactId>spring-core</artifactId>
+      <version>${spring.version}</version>
+    </dependency>
+    <dependency>
+      <groupId>org.springframework</groupId>
+      <artifactId>spring-test</artifactId>
+      <version>${spring.version}</version>
+    </dependency>
+    <!-- spring mvc dependencies end -->
+    
+    <!-- 解决页面访问时发生错误: java.lang.NoClassDefFoundError: javax/servlet/jsp/jstl/core/Config - start -->
+    <dependency>
+      <groupId>jstl</groupId>
+      <artifactId>jstl</artifactId>
+      <version>1.2</version>
+    </dependency>
+    <dependency>
+      <groupId>taglibs</groupId>
+      <artifactId>standard</artifactId>
+      <version>1.1.2</version>
+    </dependency>
+    <!-- end -->
   </dependencies>
-  
-  <properties>
-  	<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-  	<spring.version>3.1.2.RELEASE</spring.version>
-  </properties>
 </project>
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