Error creating bean with name 'XXX': Unsatisfied dependency expressed through field 'XXX'; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'XXX':
错误原因：两个类相互注入
我这是因为两个service相互引用了。在两边引用的地方加上注解@Lazy即可！
两边都得加上哦！！
