edit

youzan/src/Card.php

@@ -21,13 +21,6 @@ class Card
 		return $len;
 	}
 
-	public function len($id = false)
-	{
-		$id = Dever::input('id', $id);
-		$len = Dever::queue($this->lock . '_' . $id, 'len');
-		return $len;
-	}
-
 	public function total()
 	{
 		$info = Dever::db('youzan/card')->state();