修改bug

@@ -40,13 +40,11 @@ class Category extends Api
         $tree = Tree::instance();
         $tree = Tree::instance();
         $tree->init(collection($list)->toArray(), 'pid');
         $tree->init(collection($list)->toArray(), 'pid');
         $list = $this->getTreeList($tree->getTreeArray(0));
         $list = $this->getTreeList($tree->getTreeArray(0));
-        // 拼接全部分类，方便前端展示
+        // 拼接全部一级分类，方便前端展示
         $all_list = [];
         $all_list = [];
         foreach($list as $v){
         foreach($list as $v){
-            if($v['pid'] == 0){
-                $v['childlist'] = [];
-                $all_list[] = $v;
-            }
+            $v['childlist'] = [];
+            $all_list[] = $v;
         }
         }
         $all = [
         $all = [
             "id" => 0,
             "id" => 0,