while (run) {
        sleep(100);
        let user;
        let activityName = currentActivity();
        if (activityName == "com.ss.android.ugc.aweme.live.LivePlayActivity") {
            let texts = id("text").visibleToUser(true).find();
            if (!texts.empty()) {
                let text = texts[texts.length - 1].text();
                let arr = text.split(" ");
                if (arr[arr.length - 1] == "来了") {
                    if (arr[arr.length - 2] != user) {
                        user = arr[arr.length - 2];
                        id("edit_btn_audience")
                            .visibleToUser(true)
                            .findOne()
                            .click();
                        sleep(500);
                        setText("欢迎小可爱 " + user + " 来到直播间");
                        sleep(100);
                        id("lq").visibleToUser(true).findOne().click();
                        console.log("发送评论");
                        sleep(100);
                    }
                }
            }
        } else {
            run = false;
            toast("脚本停止,未定义的页面:" + activityName);
        }
    }