拦截器标记接口
该接口的实现类在spring容器中的scope会自动修改为prototype
Interceptor marking interface
The scope of the implementation class of this interface in the spring container will be automatically modified to prototype
process a retryable request
The access level here is set to protected, which can facilitate business personalized expansion
这里访问级别设置为protected,可方便业务个性化扩展