update

Author: xutl

src/Wechat.php

@@ -54,6 +54,11 @@ class Wechat extends ServiceLocator
      */
     public $cache = 'cache';
 
+    /**
+     * @var array wechat parameters (name => value).
+     */
+    public $params = [];
+
     /**
      * Payment constructor.
      * @param array $config