edit

lib/Wechat.php

@@ -80,6 +80,7 @@ class Wechat extends Core
 	 */
 	public function page($order, $refer)
 	{
+		$refer = urldecode($refer);
 		$tools = new \JsApiPay($this->config);
 		$info = $tools->GetJsApiParameters($order[1]);