打包的时候出现了error 麻烦老师看看

这是pom.xml:
<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">
  <modelVersion>4.0.0</modelVersion>
  <groupId>com.imooc</groupId>
  <artifactId>maven-first</artifactId>
  <version>1.0.0-release</version>
  <repositories>
  	<repository>
  	<!-- 创建私服的地址 -->
  	<id>aliyun</id>
  	<name>aliyun</name>
  	<url>https://maven.aliyun.com/repository/public</url>
  	</repository>
  </repositories>
<dependencies>
	<dependency>
	  <groupId>mysql</groupId>
	  <artifactId>mysql-connector-java</artifactId>
	  <version>8.0.17</version>
	</dependency>
	<dependency>
	  <groupId>com.belerweb</groupId>
	  <artifactId>pinyin4j</artifactId>
	  <version>2.5.1</version>
	</dependency>
	<dependency>
	  <groupId>org.springframework</groupId>
	  <artifactId>spring-webmvc</artifactId>
	  <version>5.1.10.RELEASE</version>
	</dependency>
</dependencies>
<build>
	<!-- 配置插件 -->
	<plugins>
		<groupId>org.apache.maven.plugins</groupId>
		<artifactId>maven-assembly-plugin</artifactId>
		<version>2.5.5</version>
		<configuration>
			<archive>
				<manifest>
					<mainClass>com.imooc.maven.PinyinTestor</mainClass>
				</manifest>
			</archive>
			<descriptorRefs>
			<!-- all in one,在打包时会将所有引用的jar合并到输出的jar文件中 -->
				<descriptorRef>jar-with-dependencies</descriptorRef>
			</descriptorRefs>
		</configuration>
	</plugins>
</build>
</project>

报错：
[INFO] Scanning for projects...
[ERROR] [ERROR] Some problems were encountered while processing the POMs:
[ERROR] Malformed POM D:\eclipse-workspace\maven-first\pom.xml: Unrecognised tag: 'groupId' (position: START_TAG seen ...<plugins>\r\n\t\t<groupId>... @34:12)  @ D:\eclipse-workspace\maven-first\pom.xml, line 34, column 12
 @ 
[ERROR] The build could not read 1 project -> [Help 1]
[ERROR]   
[ERROR]   The project com.imooc:maven-first:1.0.0-release (D:\eclipse-workspace\maven-first\pom.xml) has 1 error
[ERROR]     Malformed POM D:\eclipse-workspace\maven-first\pom.xml: Unrecognised tag: 'groupId' (position: START_TAG seen ...<plugins>\r\n\t\t<groupId>... @34:12)  @ D:\eclipse-workspace\maven-first\pom.xml, line 34, column 12 -> [Help 2]
[ERROR] 
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR] 
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/ProjectBuildingException
[ERROR] [Help 2] http://cwiki.apache.org/confluence/display/MAVEN/ModelParseException