springcloudAlibaba 2020/2021 无法加载bootstrap.yml文件问题

<dependency>
    <groupId>org.springframework.cloud</groupId>
    <artifactId>spring-cloud-starter-bootstrap</artifactId>
 </dependency>
           

加入该依赖即可

https://docs.spring.io/spring-cloud-config/docs/current/reference/html/#config-first-bootstrap