# 修改平台标题
js
```
// 顶部区域shortcut为"dec.header"
BI.Plugin.registerObject("dec.header", function (widget) {
    //  创建一个<a>标签
    var link = $("<a class='plugin-title' href=\"http://www.w3school.com.cn\">点击跳转到w3school</a>");
    //  替换掉平台原有文字标题
    var left = widget.element.children();
    link.replaceAll(left.children()[1]);
});
```

css
```
.plugin-title {
  font-size: 20px;
  display: block;
  text-decoration: none;
  color: bisque;
}
```