在pom.xml文件中的添加<build></build>配置项<finalName>指定包名</finalName>，如想打包的包名叫myApp，添加<finalName>my_server</finalName>即可。

<?xml version="1.0" encoding="UTF-8"?>
<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 https://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.7.5</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>
    <groupId>com.javaedge</groupId>
    <artifactId>my_server</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>my_server</name>
    <description>Demo project for Spring Boot</description>
    <properties>
        <java.version>1.8</java.version>
    </properties>
    <dependencies>
      ...
    </dependencies>
    
    <build>
    	<!-- 指定打包名称 -->
        <finalName>myApp</finalName>
    </build>

</project>