refactor:商品前端分类表单修改父级下拉菜单方法

backend/modules/goods/views/shop-category/_form.php

@@ -21,7 +21,7 @@ use backend\modules\goods\models\ars\ShopCategory;
 
     <?= $form->field($model, 'keywords')->textInput(['maxlength' => true]) ?>
 
-    <?= $form->field($model, 'pid')->dropDownList(array_merge([0 => '一级分类'], ShopCategory::modelColumn($model->id))) ?>
+    <?= $form->field($model, 'pid')->dropDownList(ShopCategory::modelColumn($model->id)) ?>
 
     <?= $form->field($model, 'desc')->textInput(['maxlength' => true]) ?>