修复

resources/views/common/mallHeaderNav.blade.php

@@ -3,7 +3,8 @@
     <div class="row cons verCenter">
       <a href="/mall" class="logo"><img src="{{$public}}/assets/images/common/logo.png?v=20230222" alt=""></a>
       <div class="search-input-box row boxsiz">
-                <input type="text" class="searchvalx mallsearchvalx" placeholder="Enter part #" value="{{request()->get('keyword')}}">
+        <input type="text" class="searchvalx mallsearchvalx" placeholder="Enter part #"
+               value="{{request()->get('keyword')}}">
         <div class="searchbtnx boxsiz mallsearchbtnx"><i class="icon iconfont icon-sousuo-shangcheng"></i></div>
       </div>
       <a class="car-boxs" href="/car"><i class="icon iconfont icon-gouwuche"></i><span class="carNum carNumxs">0</span></a>
@@ -42,22 +43,28 @@
                 <p>{{$item['class_name']}}</p>
               </div>
               <div class="conboxx row">
+                @if(!empty($item['children']))
                   @foreach ($item['children'] as $itemchild)
-                            <a href="/class/{{$itemchild['class_id']}}" class="erji" title="{{$itemchild['class_name_en']}}" >{{$itemchild['class_name_en']}}</a>
+                    <a href="/class/{{$itemchild['class_id']}}" class="erji"
+                       title="{{$itemchild['class_name_en']}}">{{$itemchild['class_name_en']}}</a>
                   @endforeach
+                @endif
               </div>
               <div class="rightboxx boxsiz">
+                @if(!empty($item['children']))
                   @foreach ($item['children'] as $itemchild)
                     <div class="grouprightx">
-                                <a class="p" title="{{$itemchild['class_name_en']}}"  href="/class/{{$itemchild['class_id']}}">{{$itemchild['class_name_en']}}</a>
+                      <a class="p" title="{{$itemchild['class_name_en']}}"
+                         href="/class/{{$itemchild['class_id']}}">{{$itemchild['class_name_en']}}</a>
                       <div class="threeClass boxsiz row">
                         @foreach ($itemchild['children'] as $itemchild3)
-                                    <a  href="/class/{{$itemchild3['class_id']??''}}" title="{{$itemchild3['class_name_en']??''}}">{{$itemchild3['class_name_en']??''}}<span>({{$itemchild3['sku_number']??''}})</span></a>
+                          <a href="/class/{{$itemchild3['class_id']??''}}"
+                             title="{{$itemchild3['class_name_en']??''}}">{{$itemchild3['class_name_en']??''}}<span>({{$itemchild3['sku_number']??''}})</span></a>
                         @endforeach
                       </div>
                     </div>
                   @endforeach
-
+                @endif
               </div>
             </div>
           @endforeach