update

@@ -34,12 +34,17 @@ class KeywordRelated extends Base
 
         //批量保存
         $data = [];
+        if(!empty($keyword_ids)){
             foreach ($keyword_ids as $keyword_id){
                 $data[] = [
                     'product_id' => $product_id,
-                'keyword_id' => $keyword_id
+                    'keyword_id' => $keyword_id,
+                    'created_at'=>date('Y-m-d H:i:s'),
+                    'updated_at'=>date('Y-m-d H:i:s')
                 ];
             }
             self::insert($data);
         }
+        return true;
+    }
 }