diff --git a/xls2ddl/tmpls.py b/xls2ddl/tmpls.py
index a6fdd20..fc55aeb 100644
--- a/xls2ddl/tmpls.py
+++ b/xls2ddl/tmpls.py
@@ -450,7 +450,9 @@ async with db.sqlorContext(dbname) as sor:
 			}
 		}
 {% endif %}
-	r = await sor.U('{{summary[0].name}}', ns)
+	other_keys = [ k for k in ns.keys() if k != 'id' ]
+	if len(other_keys) > 0:
+		r = await sor.U('{{summary[0].name}}', ns)
 	debug('update success');
 	return {
 		"widgettype":"Message",