选项卡第一次加载进去没问题，重新排列选项之后再返回主页面左滑就会没有像之前那样有索引

for(var i = 0; i < msg.length; i++) {
h(".mui-scroll").html(html);
if(i == 0) {
html += '<a class="mui-control-item mui-active" href="#" data-wid="' + msg[i].lmzsurl + '" style="line-height: 30px;">' + msg[i].lmmc + '</a>';
} else {
html += '<a class="mui-control-item" href="#" data-wid="' + msg[i].lmzsurl + '" style="line-height: 30px;">' + msg[i].lmmc + '</a>';
}
}
var arr = [];
for(var x = 0; x < msg.length; x++) {
var abc = {
extras: {},
styles: {
bottom: "6px",
top: "120px"
}
};
abc.id = msg[x].lmzsurl;
abc.url = msg[x].lmzsurl;
arr.push(abc);
}

                        a = JSON.stringify(arr);  
                        var b = JSON.parse(a);  
                        var _self = plus.webview.currentWebview();  

// console.log(JSON.stringify(_self));
group =null;
group = new webviewGroup(_self.id, {
items: b,
onChange: function(obj) {
// console.log(obj);
var c = document.querySelector(".mui-control-item.mui-active");
if(c) {
c.classList.remove("mui-active");
}
var target = document.querySelector(".mui-scroll .mui-control-item:nth-child(" + (parseInt(obj.index) + 1) + ")");
target.classList.add("mui-active");
if(target.scrollIntoView) {
target.scrollIntoView();
}
}
});
mui(".mui-scroll").on("tap", ".mui-control-item", function(e) {
var wid = this.getAttribute("data-wid");
group.switchTab(wid);
});

                        h(".mui-scroll").html(html);  
                    }