$value判断

resources/views/admin/filter/select.blade.php

@@ -3,10 +3,10 @@
         <span class="input-group-text bg-white text-capitalize"><b>{!! $label !!}</b></span>
     </div>
 
-    <select class="form-control {{ $class }}" name="{{$name}}" data-value="{{ join(',', $value) }}" style="width: 100%;">
+    <select class="form-control {{ $class }}" name="{{$name}}" data-value="{{ is_array($value) ? join(',', $value) : '' }}" style="width: 100%;">
         <option value=""></option>
         @foreach($options as $select => $option)
-            <option value="{{$select}}" {{ Dcat\Admin\Support\Helper::equal($select, join(',', $value)) ?'selected':'' }}>{{$option}}</option>
+            <option value="{{$select}}" {{ Dcat\Admin\Support\Helper::equal($select, is_array($value) ? join(',', $value) : '') ?'selected':'' }}>{{$option}}</option>
         @endforeach
     </select>
 </div>