单独提交表单时提示400错误

<?php
/**
 * Created by PhpStorm.
 * User: ykxiao
 * Date: 2018/12/10
 * Time: 16:03
 */

use yii\helpers\Url;
?>

<div data-toggle="topjui-layout" data-options="fit:true">
    <div data-toggle="topjui-panel" title="" data-options="fit:true,iconCls:'icon-ok',footer:'#footer'">
        <form class="hidden" method="post" data-toggle="topjui-form" data-options="id:'formId'">
            <div class="topjui-container">
                <div class="topjui-row">
                    <div class="topjui-col-sm12">
                        <fieldset>
                            <legend>官网版权信息</legend>
                        </fieldset>
                    </div>
                </div>
                <div class="topjui-row">
                    <div class="topjui-col-sm12">
                        <label class="topjui-form-label">联系方式</label>
                        <div class="topjui-input-block">
                            <input type="text" name="name"
                                   data-toggle="topjui-textbox"
                                   data-options="required:true">
                        </div>
                    </div>
                </div>
                <div class="topjui-row">
                    <div class="topjui-col-sm6">
                        <label class="topjui-form-label">邮件</label>
                        <div class="topjui-input-block">
                            <input type="text" name="userNameId"
                                   data-toggle="topjui-textbox"
                                   data-options="required:true,prompt:'必填'">
                        </div>
                    </div>
                    <div class="topjui-col-sm6">
                        <label class="topjui-form-label">官网名称</label>
                        <div class="topjui-input-block">
                            <input type="text" name="userName"
                                   data-toggle="topjui-textbox"
                                   data-options="required:true,prompt:'必填'">
                        </div>
                    </div>
                </div>
                <div class="topjui-row">
                    <div class="topjui-col-sm6">
                        <label class="topjui-form-label">附件（二维码）</label>
                        <div class="topjui-input-block">
                            <input type="text" name="photo" data-toggle="topjui-uploadbox"
                                   data-options="editable:false,
                   buttonText:'上传照片',
                   accept:'images',
                   uploadUrl:'<?= Url::toRoute(['/user/uploads']) ?>'">
                        </div>
                    </div>
                </div>
                <div class="topjui-row">
                    <div class="topjui-col-sm6">
                        <label class="topjui-form-label">版权信息</label>
                        <div class="topjui-input-block">
                            <input type="text" name="post" data-toggle="topjui-textbox">
                        </div>
                    </div>
                </div>
                <div class="topjui-row">
                    <div class="topjui-col-sm12">
                        <fieldset>
                            <legend>友情链接</legend>
                        </fieldset>
                    </div>
                </div>
                <div class="topjui-row">
                    <div class="topjui-col-sm6">
                        <label class="topjui-form-label">友商名称</label>
                        <div class="topjui-input-block">
                            <input type="text" name="idCard"
                                   data-toggle="topjui-textbox">
                        </div>
                    </div>
                    <div class="topjui-col-sm6">
                        <label class="topjui-form-label">网址</label>
                        <div class="topjui-input-block">
                            <input type="text" name="school"
                                   data-toggle="topjui-textbox">
                        </div>
                    </div>
                </div>
            </div>
        </form>
    </div>
</div>

<div id="footer" class="hidden" style="height: 34px; padding: 5px; text-align: right;">
    <a href="#"
       data-toggle="topjui-linkbutton"
       data-options="id:'submitBtn',
                   iconCls:'fa fa-save',
                   form:{
                       id:'formId',
                       method:'submit',
                       url:'<?= Url::toRoute(['save-footer']) ?>',
                       refreshRefererTab:true
                   }">提交成功</a>
    <a href="#"
       data-toggle="topjui-linkbutton"
       data-options="id:'submitBtn',
                   iconCls:'fa fa-save',
                   btnCls:'topjui-btn-purple',
                   form:{
                       id:'formId',
                       method:'submit',
                       url:'<?= Url::toRoute(['save-footer']) ?>',
                       refreshRefererTab:true,
                       closeCurrentTab:true
                   }">提交失败</a>
    <a href="#"
       data-toggle="topjui-linkbutton"
       data-options="id:'submitBtn',
                   iconCls:'fa fa-exchange',
                   btnCls:'topjui-btn-black',
                   form:{
                       id:'formId',
                       method:'reset'
                   }">重置</a>
    <a href="#"
       data-toggle="topjui-linkbutton"
       data-options="id:'submitBtn',
                   iconCls:'fa fa-trash',
                   btnCls:'topjui-btn-red',
                   form:{
                       id:'formId',
                       method:'clear'
                   }">清空</a>
</div>