写了如下代码,其他的组件都能成功渲染成layui的样式,但是这个开关的组件就渲染不成功只能展示成一个复选框的样式,是出了什么问题
<body style="padding:5px;">
<div class="layui-form-item" style="margin-top: 10px">
<label class="layui-form-label">添加关键词</label>
<div class="layui-input-inline">
<input type="text" id="search-input" name="content" required placeholder="输入内容"
autocomplete="off"
class="layui-input">
</div>
<button class="layui-btn layui-btn-sm layui-btn-normal " id="subscribe-btn" style="margin: 10px"><i
class="layui-icon"></i>添加
</button>
</div>
<div class="layui-form-item">
<label class="layui-form-label">开关</label>
<div class="layui-input-block">
<input type="checkbox" name="switch" lay-skin="switch">
</div>
</div>