spring-cloud-alibaba-nacos 配置中心不生效

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

<!--用戶端負載均衡loadbalancer-->
<dependency>
    <groupId>org.springframework.cloud</groupId>
    <artifactId>spring-cloud-starter-loadbalancer</artifactId>
</dependency>