Caused by: java.lang.IllegalStateException: @ConditionalOnMissingBean did not specify a bean using type, name or annotation and the attempt to deduce the bean's type failed
at org.springframework.boot.autoconfigure.condition.OnBeanCondition$BeanSearchSpec.validate
然后我进入project structure里的libraries删掉spring-boot-configure的jar包，然后重新导入，再导入http的一个包，就可以了