API名称：wx.requestSubscribeMessage

微信版本号：7.0.4

手机型号：iphoneX

基础库：2.9.4

问题：调用消息订阅API会报以下错误，无论是扫开发版的码，还是本地调式，还是生成体验码都是这个问题，不能进行测试，麻烦问下是开发和体验版低版本的微信不支持吗？上线后能支持吗？

thirdScriptError

wx.requestSubscribeMessage is not a function; [Component] Event Handler Error @ component/subscribe/subscribe-news-modal/subscribe-news-modal#subscribe

TypeError: wx.requestSubscribeMessage is not a function

    at ye.subscribeNews (weapp:///component/subscribe/subscribeBehavior.js:72:10)

    at ye.subscribe (weapp:///component/subscribe/subscribe-news-modal/subscribe-news-modal.js:49:12)

    at Object.r.safeCallback (WAService.js:1:1035130)

    at eval (WAService.js:1:1227197)

    at r (WAService.js:1:1159525)

    at eval (WAService.js:1:1159647)

    at eval (WAService.js:1:392339)

    at Object.m (WAService.js:1:1826)

    at Object.value [as subscribeHandler] (http://127.0.0.1:11505/remote-debug/runtime.js?devtools_ignore=true:1:16989)

    at eval (eval at c (http://127.0.0.1:11505/remote-debug/runtime.js?devtools_ignore=true:1:6447), <anonymous>:1:17)