查看退款额度的方式:https://ecs.console.aliyun.com/configuration/#/convert/toPosPaid/实例ID?regionId=地域
例如:杭州的服务器,实例ID为:i-bp1jdk51ejf1siw04a38
https://ecs.console.aliyun.com/configuration/#/convert/toPosPaid/i-bp1jdk51ejf1siw04a38?regionId=cn-hangzhou