newbb/app/admin/view/system/config/logo.html

<form id="app-form" class="layui-form layuimini-form">

    <div class="layui-form-item">
        <label class="layui-form-label">LOGO标题</label>
        <div class="layui-input-block">
            <input type="text" name="logo_title" class="layui-input" lay-verify="required" placeholder="请输入LOGO标题" value="{:sysConfig('site','logo_title')}">
            <tip>填写站点名称。</tip>
        </div>
    </div>

    <div class="layui-form-item">
        <label class="layui-form-label">LOGO图标</label>
        <div class="layui-input-block layuimini-upload">
            <input name="logo_image" class="layui-input layui-col-xs6" lay-verify="required" placeholder="请上传LOGO图标" value="{:sysConfig('site','logo_image')}">
            <div class="layuimini-upload-btn">
                <span><a class="layui-btn" data-upload="logo_image" data-upload-number="one" data-upload-exts="ico|png|jpg|jpeg" data-upload-mimetype="image/*"><i class="fa fa-upload"></i> 上传</a></span>
                <span><a class="layui-btn layui-btn-normal" id="select_logo_image" data-upload-select="logo_image" data-upload-number="one"><i class="fa fa-list"></i> 选择</a></span>
            </div>
        </div>
    </div>

    <div class="hr-line"></div>
    <div class="layui-form-item text-center">
        <button type="submit" class="layui-btn layui-btn-normal layui-btn-sm" lay-submit="system.config/save" data-refresh="false">确认</button>
        <button type="reset" class="layui-btn layui-btn-primary layui-btn-sm">重置</button>
    </div>

</form>