diff --git a/app/data/controller/api/Auth.php b/app/data/controller/api/Auth.php
index f89ba8314..2fef462cc 100644
--- a/app/data/controller/api/Auth.php
+++ b/app/data/controller/api/Auth.php
@@ -15,6 +15,8 @@ abstract class Auth extends Controller
 {
     /**
      * 当前接口类型
+     * 小程序使用 wxapp
+     * 服务号使用 wechat
      * @var string
      */
     protected $type;
diff --git a/app/data/controller/api/auth/Order.php b/app/data/controller/api/auth/Order.php
index c0c76c8e0..94f4638bc 100644
--- a/app/data/controller/api/auth/Order.php
+++ b/app/data/controller/api/auth/Order.php
@@ -193,7 +193,15 @@ class Order extends Auth
         if ($order['status'] != 2) $this->error('该订单不能发起支付哦！');
         if ($order['payment_status']) $this->error('订单已经支付，不需要再次支付哦！');
         try {
-            $params = PaymentService::build($data['payid'])->create($this->user['openid'], $order['order_no'], $order['amount_total'], '商城订单支付', '');
+            $openid = '';
+            if ($this->type === 'wxapp') {
+                $openid = $this->user['openid1'];
+            } elseif ($this->type === 'wechat') {
+                $openid = $this->user['openid2'];
+            } else {
+                $this->error("接口类型{$this->type}未绑定支付");
+            }
+            $params = PaymentService::build($data['payid'])->create($openid, $order['order_no'], $order['amount_total'], '商城订单支付', '');
             $this->success('获取支付参数成功！', $params);
         } catch (HttpResponseException $exception) {
             throw  $exception;