以开始场景示例

<p><img src="https://www.showdoc.com.cn/server/api/attachment/visitfile/sign/bb0e24b7841f21ae1251877081a95da8" alt="" /><img src="https://www.showdoc.com.cn/server/api/attachment/visitfile/sign/8843027b447c55ce5dd7b265375e15bc" alt="" /></p>