lbl.innerText = "已停止";
btn.value = "启动"; 字串2
btnPanel.style.visibility = "visible";
break;
case "StartPending": 字串7
lbl.innerText = "正在启动
";
btnPanel.style.visibility = "hidden"; 字串4
break;
case "StopPending":
lbl.innerText = "正在停止
"; 字串8
btnPanel.style.visibility

