搜索接口修改

@@ -109,6 +109,7 @@ class Index extends Api
         $user_id = $this->auth->id;
         $is_up = $this->request->param('is_up');
 
+        $where = [];
         $keyword = $this->request->param('keyword');
         if(!empty($keyword)){
             $where['folder_name'] = ['like',"%$keyword%"];
@@ -117,8 +118,6 @@ class Index extends Api
         //判断是否为全部还是 已上架/已下架
         if(!empty($is_up)){
             $where['is_up'] = ['eq',$is_up];
-        }else{
-            $where = true;
         }