diff --git a/extend/payment/WeixinMini.php b/extend/payment/WeixinMini.php
index 96480005b..39b5e5a63 100644
--- a/extend/payment/WeixinMini.php
+++ b/extend/payment/WeixinMini.php
@@ -225,7 +225,7 @@ class WeixinMini
             'body'              => $params['site_name'].'-'.$params['name'],
             'nonce_str'         => md5(time().rand().$params['order_no']),
             'notify_url'        => $params['notify_url'],
-            'openid'            => $params['user']['weixin_openid'],
+            'openid'            => ($trade_type == 'JSAPI') ? $params['user']['weixin_openid'] : '',
             'out_trade_no'      => $params['order_no'].GetNumberCode(6),
             'spbill_create_ip'  => GetClientIP(),
             'total_fee'         => intval($params['total_price']*100),