Update your application to remove the dependency cycle between beans

Spring 高版本循环依赖问题：

问题描述

提示：Spring boot 应用启动报错

Relying upon circular references is discouraged and they are prohibited by default. Update your application to remove the dependency cycle between beans. As a last resort, it may be possible to break the cycle automatically by setting spring.main.allow-circular-references to true.

原因分析：

提示：Spring boot 2.6 版本之后默认禁止循环依赖

解决方案：

提示：消除循环依赖（公共服务没有抽取）、开启循环依赖

1 方法一： 找到循环依赖的代码用其他方式代替，抽取公共的Service

2 方法二：spring.main.allow-circular-references=true