jwt刷新token策略

https://www.jianshu.com/p/25ab2f456904

Shiro整合JWT+Token过期刷新，全都帮你整好了
https://www.sundayfine.com/shiro-jwt/

采用JWT有效期内刷新Token方案，解决并发请求问题
https://www.sundayfine.com/jwt-refresh-token/