Unfortunately, no.
In mid-2022, Amazon removed the Withings App from the Amazon Alexa skill shop.
https://support.withings.com/hc/zh-cn/sections/6216083667217-%E5%90%88%E4%BD%9C%E5%BA%94%E7%94%A8
https://support.withings.com/hc/zh-cn/sections/200608288-FAQ