即将跳转到外部网站，安全性未知，是否继续？
https://github.com/spring-projects/spring-boot/pull/25749/files/778bdccb44b9367a01e35540b011cf6f1e1873a8#diff-0f67c2fc3d035ff0490429235411976ec6fc3e3635b94a9d80adb58b82552a7f