fix:获取产品类型列表接口修改

app/admin/controller/Works/WorksType.php

@@ -35,6 +35,8 @@ class WorksType extends BaseController
             ->order('works_type_order')
             ->column('works_type_guid');
 
+        $works_type_tree = [];
+        if ($works_type_guids) {
             $works_type  = ModelWorksType::whereOr([
                 [["a.works_type_guid", 'in', $works_type_guids]],
                 [["a.works_type_ancestors_guid", 'REGEXP', implode('|', $works_type_guids)]],
@@ -65,7 +67,7 @@ class WorksType extends BaseController
                     'works_type_order' => $v['works_type_order'],
                 ];
             });
-
+        }
         return msg(0, "获取作品类型列表成功!", [
             'data' => $works_type_tree,
             'count' => ModelWorksType::where('works_type_parent_guid', '0')->count()