<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-devtools</artifactId>
    <exclusions>
        <exclusion>
            <groupId>org.springframework.boot</groupId>//产生omitted for duplicate的依赖的ja对应的g
            <artifactId>spring-boot</artifactId>//产生omitted for duplicate的依赖jar对应的a
        </exclusion>
        <exclusion>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-autoconfigure</artifactId>
        </exclusion>
    </exclusions>
</dependency>