laravel:view()函數傳參出現Trying to get property。。。

<div class="slh_pro_nav" id="slh_pro_nav">
                                        <div class="slh_pro_nav_l">
                                            <div class="slh_pro_nav_title">
                                                <span class="slh_pro_nav_title2"><span name="_slh_pro_nav_title2|">全部產品</span></span>
                                            </div>

                                           <div class="slh_pro_nav_ul1">

                                                <ul>
                                                    @foreach($submenus as $submenu1)
                                                        @if($submenu1->type=="產品&服務")
                                                        <li>
                                                            <a target="_blank" href='"/getProductList?type="{{$submenu1->subname}}"'>{{$submenu1->subname}}</a>
                                                        </li>
                                                        @endif
                                                    @endforeach
                                              </ul>
                                          </div>
                                        </div>
                                        <div class="slh_pro_nav_r">
                                            <div class="slh_pro_nav_ul2">
                                                @foreach($submenus as $submenu2)
                                                    @if($submenu2->type=="產品&服務")
                                                        <div class="slh_pro_nav_ul2_big">
                                                            <div class="slh_pro_nav_title3">{{$submenu2->subname}}</div>
                                                            <div class="slh_pro_nav_list">
                                                                <ul>
                                                                    @foreach($productlist as $value)
                                                                        @if($value->type==$submenu2->subname)
                                                                            <li> <a target="_self" rel="nofollow" href="/{{$value->link}}" >{{$value->productname}}</a></li>
                                                                        @endif
                                                                    @endforeach
                                                                    <li></li>
                                                                </ul>
                                                            </div>
                                                        </div>
                                                    @endif
                                                @endforeach

                                            </div>
                                        </div>

有多個foreach使用了同一個參數，在後端查找數據庫代碼無誤的前提下渲染時出現Trying to get property 'subname' of non-object的問題.

@foreach($params as $value)
    <li>
        {{@value}}
    </li>                                                                        
@endforeach

as後面的變量要使用不同的單詞。保持良好的書寫習慣，mark！