The AOP project created by SpringBoot: according to the example cannot intercept requests

Maven project structure is as follows

pom.xml and SpringBoot related content

<parent>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-parent</artifactId>
    <version>1.5.8.RELEASE</version>
</parent>
<dependencies>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-web</artifactId>
    </dependency>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-aop</artifactId>
    </dependency>
</dependencies>

SampleController.java

@Controller
@EnableAutoConfiguration
@ComponentScan
public class SampleController {
 
    @RequestMapping("/")
    @ResponseBody
    String home() {
        return "Hello World!";
    }
 
    public static void main(String[] args) throws Exception {
        SpringApplication.run(SampleController.class, args);
    }
    
}

CustomAspect

@Aspect
@Component
public class CustomAspect {

    @Pointcut("execution(public * com.demo..*.*(..))")
    public void customPoint(){}
    
    @Before(value = "customPoint()")
    public void deBefore(JoinPoint joinPoint) throws Throwable {
        System.out.println("...");
    }
    
}

visit the http://localhost:8080/ page to display Hello word!
but does not show AOP interception information [intercept request.] and no exception is reported. I hope you can"t find the problem

.
May.04,2021

has been resolved, will

String home ()

changed to

public String home ()

can

MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1b3316b-2b6b3.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b3316b-2b6b3.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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