add tpl_id

app/Http/Resources/DiscussionResource.php

@@ -26,6 +26,7 @@ class DiscussionResource extends JsonResource
             "editor"=> UserApi::getByUuid($this->editor_uid),
             "res_id"=>$this->res_id,
             "res_type"=> $this->res_type,
+            "tpl_id"=> $this->tpl_id,
             'children_count' => Discussion::where('parent',$this->id)->count(),
             "created_at"=> $this->created_at,
             "updated_at"=> $this->updated_at,