~~let s = $(".room-item[itemid=" + id + "].item-dps");~~
let s = $(".room-item[itemid=" + id + "] .item-dps");
if (s.length == 0) {
~~s = $(".room-item[itemid=" + id + "].item-status").after("<span class='item-dps'></span>").+next();~~
s = $(".room-item[itemid=" + id + "] .item-status").after("<span class='item-dps'></span>").next();
代码错