iOS12正常跳转微信拉起小程序首页，iOS13只跳转微信页面，没有拉起小程序首页

WXApi.openWXApp()

        let req = WXLaunchMiniProgramReq.object()

        req.userName = self.model.miniProgramAppId

        req.path = self.model.indexPage

        req.miniProgramType = .release

        WXApi.send(req, completion: nil)