H5唤醒app

                  var loadDateTime = new Date();
                    window.location.href = 'app提供的地址';
                    setTimeout(() => {
                        var timeOutDateTime = new Date();
                        if((!document.hidden) && timeOutDateTime - loadDateTime < 5000) {
                            window.location.href = '下载页链接';
                        }
                    },3000)