在webflux处理程序类上找不到ReactiveMongoRepository实例

<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-data-mongodb-reactive</artifactId>
</dependency>

@SpringBootApplication
@ComponentScan(basePackages = "com.example")
public class Application {
    public static void main(String[] args) {
        SpringApplication.run(Application.class, args);
    }
}

spring:
  data:
    mongodb:
      uri: mongodb://localhost:27017/mydatabase

@RestController
public class MyController {
    private final ReactiveMongoRepository<MyEntity, String> repository;

    @Autowired
    public MyController(ReactiveMongoRepository<MyEntity, String> repository) {
        this.repository = repository;
    }

    // ...
}