各位大佬，我是小白，正在自学，跟着视频一步一步做，在IDEA启动springboot服务的时候失败，提示o.s.b.d.LoggingFailureAnalysisReporter，上网查询，说是修改@SpringBootApplication等方法，试了也不管用。请问该怎么解决？
异常信息
:: Spring Boot :: (v2.5.6)
2021-11-26 10:38:18.350 INFO 11944 --- [ main] c.l.s.SpringboottestApplication : Starting SpringboottestApplication using Java 1.8.0_191 on lousp-PC with PID 11944 (D:\7、开发\springboottest\target\classes started by Administrator in D:\7、开发\springboottest)
2021-11-26 10:38:18.353 INFO 11944 --- [ main] c.l.s.SpringboottestApplication : No active profile set, falling back to default profiles: default
2021-11-26 10:38:19.202 INFO 11944 --- [ main] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat initialized with port(s): 8181 (http)
2021-11-26 10:38:19.210 INFO 11944 --- [ main] o.apache.catalina.core.StandardService : Starting service [Tomcat]
2021-11-26 10:38:19.210 INFO 11944 --- [ main] org.apache.catalina.core.StandardEngine : Starting Servlet engine: [Apache Tomcat/9.0.54]
2021-11-26 10:38:19.317 INFO 11944 --- [ main] o.a.c.c.C.[Tomcat].[localhost].[/] : Initializing Spring embedded WebApplicationContext
2021-11-26 10:38:19.317 INFO 11944 --- [ main] w.s.c.ServletWebServerApplicationContext : Root WebApplicationContext: initialization completed in 914 ms
2021-11-26 10:38:19.361 WARN 11944 --- [ main] ConfigServletWebServerApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'bookHandler': Unsatisfied dependency expressed through field 'bookRepository'; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type 'com.lousp.springboottest.repository.BookRepository' available: expected at least 1 bean which qualifies as autowire candidate. Dependency annotations: {@org.springframework.beans.factory.annotation.Autowired(required=true)}
2021-11-26 10:38:19.363 INFO 11944 --- [ main] o.apache.catalina.core.StandardService : Stopping service [Tomcat]
2021-11-26 10:38:19.376 INFO 11944 --- [ main] ConditionEvaluationReportLoggingListener :
Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.
2021-11-26 10:38:19.394 ERROR 11944 --- [ main] o.s.b.d.LoggingFailureAnalysisReporter :
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APPLICATION FAILED TO START
***************************
Description:
Field bookRepository in com.lousp.springboottest.controller.BookHandler required a bean of type 'com.lousp.springboottest.repository.BookRepository' that could not be found.
The injection point has the following annotations:
- @org.springframework.beans.factory.annotation.Autowired(required=true)
Action:
Consider defining a bean of type 'com.lousp.springboottest.repository.BookRepository' in your configuration.
Process finished with exit code 1