IRefill goods round precision 4

helper/refill/IRefill.php

@@ -135,7 +135,7 @@ abstract class IRefill
         $key = "{$amount}-{$card_type}";
         if(array_key_exists($key,$maps)) {
             $params = $maps[$key];
-            return [$params['goods_id'], round($params['price'],2)];
+            return [$params['goods_id'], round($params['price'],4)];
         }
         else {
             return [0,0];